<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have searched the <a href="https://github.com/apache/dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have checked the <a href="https://github.com/apache/dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.5.3</li>
<li>Operating System version: win10 64</li>
<li>Java version:  1.8.0_151-b12</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>git checkout 2.5.3</li>
<li>mvn clean package -DskipTests</li>
</ol>
<p dir="auto">Pls. provide [GitHub address] to reproduce this issue.</p>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">What do you expected from the above steps？<br>
compile success</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">What actually happens?</p>
<p dir="auto">compile error</p>
<p dir="auto">If there is an exception, please attach the exception trace:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10

"><pre class="notranslate"><code class="notranslate">[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10


</code></pre></div>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="
[INFO] Scanning for projects...
Downloading from opensesame.releases: http://code.alibabatech.com/mvn/releases/com/alibaba/opensesame/2.0/opensesame-2.0.pom
Downloading from alimaven1: http://maven.aliyun.com/nexus/content/repositories/central/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
[ERROR]
[ERROR]   The project com.alibaba:dubbo-parent:2.5.3 (C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http
://code.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExceptio
n: unable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10 -&gt; [Help 2]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException

C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo&gt;mvn clean package -DskipTests
[INFO] Scanning for projects...
Downloading from opensesame.releases: http://code.alibabatech.com/mvn/releases/com/alibaba/opensesame/2.0/opensesame-2.0.pom
Downloading from alimaven1: http://maven.aliyun.com/nexus/content/repositories/central/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
[ERROR]
[ERROR]   The project com.alibaba:dubbo-parent:2.5.3 (C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http
://code.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExceptio
n: unable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10 -&gt; [Help 2]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException

C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo&gt;mvn clean package -DskipTests -X
Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)
Maven home: C:\Users\huhu\software\Java\maven3.6\bin\..
Java version: 1.8.0_151, vendor: Oracle Corporation, runtime: C:\Users\huhu\software\Java\jdk1.8.0_151\jre
Default locale: zh_CN, platform encoding: GBK
OS name: &quot;windows 10&quot;, version: &quot;10.0&quot;, arch: &quot;amd64&quot;, family: &quot;windows&quot;
[DEBUG] Created new class realm maven.api
[DEBUG] Importing foreign packages into class realm maven.api
[DEBUG]   Imported: javax.annotation.* &lt; plexus.core
[DEBUG]   Imported: javax.annotation.security.* &lt; plexus.core
[DEBUG]   Imported: javax.enterprise.inject.* &lt; plexus.core
[DEBUG]   Imported: javax.enterprise.util.* &lt; plexus.core
[DEBUG]   Imported: javax.inject.* &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.* &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.artifact &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.classrealm &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.cli &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.configuration &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.exception &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.execution &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.execution.scope &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.lifecycle &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.model &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.monitor &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.plugin &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.profiles &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.project &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.reporting &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.repository &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.rtinfo &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.settings &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.toolchain &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.usability &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.* &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.authentication &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.authorization &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.events &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.observers &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.proxy &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.repository &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.resource &lt; plexus.core
[DEBUG]   Imported: org.codehaus.classworlds &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.* &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.classworlds &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.component &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.configuration &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.container &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.context &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.lifecycle &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.logging &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.personality &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.Xpp3Dom &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParser &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParserException &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlSerializer &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.* &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.artifact &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.collection &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.deployment &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.graph &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.impl &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.installation &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.internal.impl &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.metadata &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.repository &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.resolution &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.spi &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.transfer &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.version &lt; plexus.core
[DEBUG]   Imported: org.fusesource.jansi.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.event.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.helpers.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.spi.* &lt; plexus.core
[DEBUG] Populating class realm maven.api
[INFO] Error stacktraces are turned on.
[DEBUG] Message scheme: color
[DEBUG] Message styles: debug info warning error success failure strong mojo project
[DEBUG] Reading global settings from C:\Users\huhu\software\Java\maven3.6\bin\..\conf\settings.xml
[DEBUG] Reading user settings from C:\Users\huhu\.m2\settings.xml
[DEBUG] Reading global toolchains from C:\Users\huhu\software\Java\maven3.6\bin\..\conf\toolchains.xml
[DEBUG] Reading user toolchains from C:\Users\huhu\.m2\toolchains.xml
[DEBUG] Using local repository at C:\Users\huhu\.m2\repository
[DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for C:\Users\huhu\.m2\repository
[INFO] Scanning for projects...
[DEBUG] Using transporter WagonTransporter with priority -1.0 for http://code.alibabatech.com/mvn/releases
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for http://code.alibabatech.com/mvn/releases
Downloading from opensesame.releases: http://code.alibabatech.com/mvn/releases/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[DEBUG] Writing tracking file C:\Users\huhu\.m2\repository\com\alibaba\opensesame\2.0\opensesame-2.0.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for http://maven.aliyun.com/nexus/content/repositories/central
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for http://maven.aliyun.com/nexus/content/repositories/central
Downloading from alimaven1: http://maven.aliyun.com/nexus/content/repositories/central/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[DEBUG] Writing tracking file C:\Users\huhu\.m2\repository\com\alibaba\opensesame\2.0\opensesame-2.0.pom.lastUpdated
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10

    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:395)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
[ERROR]
[ERROR]   The project com.alibaba:dubbo-parent:2.5.3 (C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http
://code.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExceptio
n: unable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10 -&gt; [Help 2]
org.apache.maven.model.resolution.UnresolvableModelException: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://code.alib
abatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to
 find valid certification path to requested target
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:196)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:423)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://code.
alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unabl
e to find valid certification path to requested target
    at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed (ArtifactTransportListener.java:52)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:368)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.apache.maven.wagon.TransferFailedException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCer
tPathBuilderException: unable to find valid certification path to requested target
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1206)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilde
rException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException (Alerts.java:192)
    at sun.security.ssl.SSLSocketImpl.fatal (SSLSocketImpl.java:1959)
    at sun.security.ssl.Handshaker.fatalSE (Handshaker.java:302)
    at sun.security.ssl.Handshaker.fatalSE (Handshaker.java:296)
    at sun.security.ssl.ClientHandshaker.serverCertificate (ClientHandshaker.java:1514)
    at sun.security.ssl.ClientHandshaker.processMessage (ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop (Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record (Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake (SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1413)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1397)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket (SSLConnectionSocketFactory.java:404)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket (SSLConnectionSocketFactory.java:364)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect (DefaultHttpClientConnectionOperator.java:142)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect (PoolingHttpClientConnectionManager.java:374)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute (MainClientExec.java:393)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute (MainClientExec.java:236)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute (ProtocolExec.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute (RetryExec.java:89)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute (RedirectExec.java:110)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute (InternalHttpClient.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute (CloseableHttpClient.java:83)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute (AbstractHttpClientWagon.java:958)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1117)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid cert
ification path to requested target
    at sun.security.validator.PKIXValidator.doBuild (PKIXValidator.java:397)
    at sun.security.validator.PKIXValidator.engineValidate (PKIXValidator.java:302)
    at sun.security.validator.Validator.validate (Validator.java:260)
    at sun.security.ssl.X509TrustManagerImpl.validate (X509TrustManagerImpl.java:324)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted (X509TrustManagerImpl.java:229)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted (X509TrustManagerImpl.java:124)
    at sun.security.ssl.ClientHandshaker.serverCertificate (ClientHandshaker.java:1496)
    at sun.security.ssl.ClientHandshaker.processMessage (ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop (Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record (Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake (SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1413)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1397)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket (SSLConnectionSocketFactory.java:404)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket (SSLConnectionSocketFactory.java:364)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect (DefaultHttpClientConnectionOperator.java:142)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect (PoolingHttpClientConnectionManager.java:374)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute (MainClientExec.java:393)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute (MainClientExec.java:236)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute (ProtocolExec.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute (RetryExec.java:89)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute (RedirectExec.java:110)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute (InternalHttpClient.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute (CloseableHttpClient.java:83)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute (AbstractHttpClientWagon.java:958)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1117)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build (SunCertPathBuilder.java:141)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild (SunCertPathBuilder.java:126)
    at java.security.cert.CertPathBuilder.build (CertPathBuilder.java:280)
    at sun.security.validator.PKIXValidator.doBuild (PKIXValidator.java:392)
    at sun.security.validator.PKIXValidator.engineValidate (PKIXValidator.java:302)
    at sun.security.validator.Validator.validate (Validator.java:260)
    at sun.security.ssl.X509TrustManagerImpl.validate (X509TrustManagerImpl.java:324)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted (X509TrustManagerImpl.java:229)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted (X509TrustManagerImpl.java:124)
    at sun.security.ssl.ClientHandshaker.serverCertificate (ClientHandshaker.java:1496)
    at sun.security.ssl.ClientHandshaker.processMessage (ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop (Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record (Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake (SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1413)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1397)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket (SSLConnectionSocketFactory.java:404)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket (SSLConnectionSocketFactory.java:364)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect (DefaultHttpClientConnectionOperator.java:142)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect (PoolingHttpClientConnectionManager.java:374)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute (MainClientExec.java:393)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute (MainClientExec.java:236)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute (ProtocolExec.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute (RetryExec.java:89)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute (RedirectExec.java:110)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute (InternalHttpClient.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute (CloseableHttpClient.java:83)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute (AbstractHttpClientWagon.java:958)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1117)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException
"><pre class="notranslate"><code class="notranslate">
[INFO] Scanning for projects...
Downloading from opensesame.releases: http://code.alibabatech.com/mvn/releases/com/alibaba/opensesame/2.0/opensesame-2.0.pom
Downloading from alimaven1: http://maven.aliyun.com/nexus/content/repositories/central/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
[ERROR]
[ERROR]   The project com.alibaba:dubbo-parent:2.5.3 (C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http
://code.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExceptio
n: unable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10 -&gt; [Help 2]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException

C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo&gt;mvn clean package -DskipTests
[INFO] Scanning for projects...
Downloading from opensesame.releases: http://code.alibabatech.com/mvn/releases/com/alibaba/opensesame/2.0/opensesame-2.0.pom
Downloading from alimaven1: http://maven.aliyun.com/nexus/content/repositories/central/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
[ERROR]
[ERROR]   The project com.alibaba:dubbo-parent:2.5.3 (C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http
://code.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExceptio
n: unable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10 -&gt; [Help 2]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException

C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo&gt;mvn clean package -DskipTests -X
Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)
Maven home: C:\Users\huhu\software\Java\maven3.6\bin\..
Java version: 1.8.0_151, vendor: Oracle Corporation, runtime: C:\Users\huhu\software\Java\jdk1.8.0_151\jre
Default locale: zh_CN, platform encoding: GBK
OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"
[DEBUG] Created new class realm maven.api
[DEBUG] Importing foreign packages into class realm maven.api
[DEBUG]   Imported: javax.annotation.* &lt; plexus.core
[DEBUG]   Imported: javax.annotation.security.* &lt; plexus.core
[DEBUG]   Imported: javax.enterprise.inject.* &lt; plexus.core
[DEBUG]   Imported: javax.enterprise.util.* &lt; plexus.core
[DEBUG]   Imported: javax.inject.* &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.* &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.artifact &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.classrealm &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.cli &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.configuration &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.exception &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.execution &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.execution.scope &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.lifecycle &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.model &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.monitor &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.plugin &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.profiles &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.project &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.reporting &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.repository &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.rtinfo &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.settings &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.toolchain &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.usability &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.* &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.authentication &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.authorization &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.events &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.observers &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.proxy &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.repository &lt; plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.resource &lt; plexus.core
[DEBUG]   Imported: org.codehaus.classworlds &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.* &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.classworlds &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.component &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.configuration &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.container &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.context &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.lifecycle &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.logging &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.personality &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.Xpp3Dom &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParser &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParserException &lt; plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlSerializer &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.* &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.artifact &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.collection &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.deployment &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.graph &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.impl &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.installation &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.internal.impl &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.metadata &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.repository &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.resolution &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.spi &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.transfer &lt; plexus.core
[DEBUG]   Imported: org.eclipse.aether.version &lt; plexus.core
[DEBUG]   Imported: org.fusesource.jansi.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.event.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.helpers.* &lt; plexus.core
[DEBUG]   Imported: org.slf4j.spi.* &lt; plexus.core
[DEBUG] Populating class realm maven.api
[INFO] Error stacktraces are turned on.
[DEBUG] Message scheme: color
[DEBUG] Message styles: debug info warning error success failure strong mojo project
[DEBUG] Reading global settings from C:\Users\huhu\software\Java\maven3.6\bin\..\conf\settings.xml
[DEBUG] Reading user settings from C:\Users\huhu\.m2\settings.xml
[DEBUG] Reading global toolchains from C:\Users\huhu\software\Java\maven3.6\bin\..\conf\toolchains.xml
[DEBUG] Reading user toolchains from C:\Users\huhu\.m2\toolchains.xml
[DEBUG] Using local repository at C:\Users\huhu\.m2\repository
[DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for C:\Users\huhu\.m2\repository
[INFO] Scanning for projects...
[DEBUG] Using transporter WagonTransporter with priority -1.0 for http://code.alibabatech.com/mvn/releases
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for http://code.alibabatech.com/mvn/releases
Downloading from opensesame.releases: http://code.alibabatech.com/mvn/releases/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[DEBUG] Writing tracking file C:\Users\huhu\.m2\repository\com\alibaba\opensesame\2.0\opensesame-2.0.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for http://maven.aliyun.com/nexus/content/repositories/central
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for http://maven.aliyun.com/nexus/content/repositories/central
Downloading from alimaven1: http://maven.aliyun.com/nexus/content/repositories/central/com/alibaba/opensesame/2.0/opensesame-2.0.pom
[DEBUG] Writing tracking file C:\Users\huhu\.m2\repository\com\alibaba\opensesame\2.0\opensesame-2.0.pom.lastUpdated
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10
 @
[ERROR] The build could not read 1 project -&gt; [Help 1]
org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs:
[FATAL] Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10

    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:395)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
[ERROR]
[ERROR]   The project com.alibaba:dubbo-parent:2.5.3 (C:\Users\huhu\workspace\tawork\projects\wuyangwei\dubbo\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for com.alibaba:dubbo-parent:2.5.3: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http
://code.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderExceptio
n: unable to find valid certification path to requested target and 'parent.relativePath' points at wrong local POM @ line 19, column 10 -&gt; [Help 2]
org.apache.maven.model.resolution.UnresolvableModelException: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://code.alib
abatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to
 find valid certification path to requested target
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:196)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://c
ode.alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: u
nable to find valid certification path to requested target
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:423)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact com.alibaba:opensesame:pom:2.0 from/to opensesame.releases (http://code.
alibabatech.com/mvn/releases): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unabl
e to find valid certification path to requested target
    at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed (ArtifactTransportListener.java:52)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:368)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.apache.maven.wagon.TransferFailedException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCer
tPathBuilderException: unable to find valid certification path to requested target
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1206)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilde
rException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException (Alerts.java:192)
    at sun.security.ssl.SSLSocketImpl.fatal (SSLSocketImpl.java:1959)
    at sun.security.ssl.Handshaker.fatalSE (Handshaker.java:302)
    at sun.security.ssl.Handshaker.fatalSE (Handshaker.java:296)
    at sun.security.ssl.ClientHandshaker.serverCertificate (ClientHandshaker.java:1514)
    at sun.security.ssl.ClientHandshaker.processMessage (ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop (Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record (Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake (SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1413)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1397)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket (SSLConnectionSocketFactory.java:404)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket (SSLConnectionSocketFactory.java:364)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect (DefaultHttpClientConnectionOperator.java:142)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect (PoolingHttpClientConnectionManager.java:374)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute (MainClientExec.java:393)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute (MainClientExec.java:236)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute (ProtocolExec.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute (RetryExec.java:89)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute (RedirectExec.java:110)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute (InternalHttpClient.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute (CloseableHttpClient.java:83)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute (AbstractHttpClientWagon.java:958)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1117)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid cert
ification path to requested target
    at sun.security.validator.PKIXValidator.doBuild (PKIXValidator.java:397)
    at sun.security.validator.PKIXValidator.engineValidate (PKIXValidator.java:302)
    at sun.security.validator.Validator.validate (Validator.java:260)
    at sun.security.ssl.X509TrustManagerImpl.validate (X509TrustManagerImpl.java:324)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted (X509TrustManagerImpl.java:229)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted (X509TrustManagerImpl.java:124)
    at sun.security.ssl.ClientHandshaker.serverCertificate (ClientHandshaker.java:1496)
    at sun.security.ssl.ClientHandshaker.processMessage (ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop (Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record (Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake (SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1413)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1397)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket (SSLConnectionSocketFactory.java:404)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket (SSLConnectionSocketFactory.java:364)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect (DefaultHttpClientConnectionOperator.java:142)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect (PoolingHttpClientConnectionManager.java:374)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute (MainClientExec.java:393)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute (MainClientExec.java:236)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute (ProtocolExec.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute (RetryExec.java:89)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute (RedirectExec.java:110)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute (InternalHttpClient.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute (CloseableHttpClient.java:83)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute (AbstractHttpClientWagon.java:958)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1117)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.provider.certpath.SunCertPathBuilder.build (SunCertPathBuilder.java:141)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild (SunCertPathBuilder.java:126)
    at java.security.cert.CertPathBuilder.build (CertPathBuilder.java:280)
    at sun.security.validator.PKIXValidator.doBuild (PKIXValidator.java:392)
    at sun.security.validator.PKIXValidator.engineValidate (PKIXValidator.java:302)
    at sun.security.validator.Validator.validate (Validator.java:260)
    at sun.security.ssl.X509TrustManagerImpl.validate (X509TrustManagerImpl.java:324)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted (X509TrustManagerImpl.java:229)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted (X509TrustManagerImpl.java:124)
    at sun.security.ssl.ClientHandshaker.serverCertificate (ClientHandshaker.java:1496)
    at sun.security.ssl.ClientHandshaker.processMessage (ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop (Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record (Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake (SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1413)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1397)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket (SSLConnectionSocketFactory.java:404)
    at org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket (SSLConnectionSocketFactory.java:364)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect (DefaultHttpClientConnectionOperator.java:142)
    at org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect (PoolingHttpClientConnectionManager.java:374)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute (MainClientExec.java:393)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute (MainClientExec.java:236)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute (ProtocolExec.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute (RetryExec.java:89)
    at org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute (RedirectExec.java:110)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute (InternalHttpClient.java:185)
    at org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute (CloseableHttpClient.java:83)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute (AbstractHttpClientWagon.java:958)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1117)
    at org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run (WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute (WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get (WagonTransporter.java:412)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask (BasicRepositoryConnector.java:456)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run (BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run (RunnableErrorForwarder.java:75)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get (BasicRepositoryConnector.java:262)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads (DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (DefaultArtifactResolver.java:400)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts (DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact (DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact (DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel (ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects (DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor (DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build (DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException

</code></pre></div>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/apache/incubator-dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have checked the <a href="https://github.com/apache/incubator-dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.7.1</li>
<li>Operating System version: mac 10.14</li>
<li>Java version: 12</li>
<li>SpringBoot version: 2.1.4.RELEASE</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>Create Spring boot project</li>
<li>Add dependency dubbo 2.7.1</li>
<li>Start Application</li>
</ol>
<p dir="auto">If there is an exception, please attach the exception trace:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Java HotSpot(TM) 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended
Exception in thread &quot;main&quot; java.lang.AbstractMethodError: Receiver class org.springframework.boot.context.config.ConfigFileApplicationListener does not define or inherit an implementation of the resolved method abstract supportsSourceType(Ljava/lang/Class;)Z of interface org.springframework.context.event.SmartApplicationListener.
	at org.springframework.context.event.GenericApplicationListenerAdapter.supportsSourceType(GenericApplicationListenerAdapter.java:79)
	at org.springframework.context.event.AbstractApplicationEventMulticaster.supportsEvent(AbstractApplicationEventMulticaster.java:289)
	at org.springframework.context.event.AbstractApplicationEventMulticaster.retrieveApplicationListeners(AbstractApplicationEventMulticaster.java:221)
	at org.springframework.context.event.AbstractApplicationEventMulticaster.getApplicationListeners(AbstractApplicationEventMulticaster.java:192)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:128)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:122)
	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:75)
	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:347)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:306)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
	at com.yuxiao.dubbo.demo.DubboProviderApplication.main(DubboProviderApplication.java:14)"><pre class="notranslate"><code class="notranslate">Java HotSpot(TM) 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended
Exception in thread "main" java.lang.AbstractMethodError: Receiver class org.springframework.boot.context.config.ConfigFileApplicationListener does not define or inherit an implementation of the resolved method abstract supportsSourceType(Ljava/lang/Class;)Z of interface org.springframework.context.event.SmartApplicationListener.
	at org.springframework.context.event.GenericApplicationListenerAdapter.supportsSourceType(GenericApplicationListenerAdapter.java:79)
	at org.springframework.context.event.AbstractApplicationEventMulticaster.supportsEvent(AbstractApplicationEventMulticaster.java:289)
	at org.springframework.context.event.AbstractApplicationEventMulticaster.retrieveApplicationListeners(AbstractApplicationEventMulticaster.java:221)
	at org.springframework.context.event.AbstractApplicationEventMulticaster.getApplicationListeners(AbstractApplicationEventMulticaster.java:192)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:128)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:122)
	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:75)
	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:347)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:306)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
	at com.yuxiao.dubbo.demo.DubboProviderApplication.main(DubboProviderApplication.java:14)
</code></pre></div>