<p dir="auto"><strong>Dubbo version: master</strong><br>
<strong>JDK version: 1.8</strong></p>
<p dir="auto"><strong>Reproduce</strong><br>
SPI config file:</p>
<p dir="auto">META-INF/dubbo/internal/com.limore.ExtensionConflict<br>
<code class="notranslate">impl1=com.limore.impl.ExtensionConflictImpl1</code></p>
<p dir="auto">META-INF/dubbo/com.limore.ExtensionConflict<br>
<code class="notranslate">impl1=com.limore.impl.ExtensionConflictImpl2</code></p>
<p dir="auto"><strong>Note: the SPI file in different directory</strong></p>
<p dir="auto">then use ExtensionLoader load ExtensionConflict</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="ExtensionLoader.getExtensionLoader(ExtensionConflict.class).getExtension(&quot;impl1&quot;) // return  ExtensionConflictImpl1"><pre class="notranslate"><code class="notranslate">ExtensionLoader.getExtensionLoader(ExtensionConflict.class).getExtension("impl1") // return  ExtensionConflictImpl1
</code></pre></div>
<p dir="auto"><strong>result: no exception occured, ExtensionConflictImpl2 loaded by class loader, but returned ExtensionConflictImpl1</strong></p>
<p dir="auto"><strong>Expectation: throw 'Duplicate extension' exception</strong></p>
<p dir="auto"><strong>The Reason</strong><br>
<a href="https://github.com/apache/incubator-dubbo/blob/master/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java#L764">ExtensionLoader#L764</a> throw 'duplicate extension' exception, and <a href="https://github.com/apache/incubator-dubbo/blob/master/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java#L706">ExtensionLoader#LL706</a> collect the exception, but there is no any code process the collected exceptions. reference <a href="https://github.com/apache/incubator-dubbo/blob/master/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java#L661">ExtensionLoader#L661</a> and <a href="https://github.com/apache/incubator-dubbo/blob/master/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java#L628">ExtensionLoader#L628</a> method.</p>
<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: windows10, zk: ubuntu 18.04</li>
<li>Java version: 1.8</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>I am following the instruction of <a href="https://github.com/apache/incubator-dubbo/blob/master/README.md">README.md</a> and the provider sucessfully reigster to zk but <code class="notranslate">consumer</code> cannot consume properly.</li>
</ol>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="[14/05/19 08:26:04:004 CST] main  INFO logger.LoggerFactory: using logger: org.apache.dubbo.common.logger.log4j.Log4jLoggerAdapter
[14/05/19 08:26:05:005 CST] main  WARN config.AbstractConfig:  [DUBBO] There's no valid metadata config found, if you are using the simplified mode of registry url, please make sure you have a metadata address configured properly., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:05:005 CST] main  INFO utils.Compatibility: Running in ZooKeeper 3.4.x compatibility mode
[14/05/19 08:26:05:005 CST] main  INFO imps.CuratorFrameworkImpl: Starting
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03, built on 06/29/2018 00:39 GMT
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:host.name=DLCN34609493A.apj.global.corp.sap
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.version=1.8.0_201
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.home=C:\Program Files\Java\jdk1.8.0_201\jre
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.class.path=C:\Program Files\Java\jdk1.8.0_201\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\rt.jar;C:\Users\I508530\Desktop\Git\dubbo_jcorn\target\classes;C:\Users\I508530\.m2\repository\org\apache\dubbo\dubbo\2.7.1\dubbo-2.7.1.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-context\4.3.16.RELEASE\spring-context-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-aop\4.3.16.RELEASE\spring-aop-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-beans\4.3.16.RELEASE\spring-beans-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-core\4.3.16.RELEASE\spring-core-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\commons-logging\commons-logging\1.2\commons-logging-1.2.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-expression\4.3.16.RELEASE\spring-expression-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\javassist\javassist\3.20.0-GA\javassist-3.20.0-GA.jar;C:\Users\I508530\.m2\repository\io\netty\netty-all\4.1.25.Final\netty-all-4.1.25.Final.jar;C:\Users\I508530\.m2\repository\com\google\code\gson\gson\2.8.5\gson-2.8.5.jar;C:\Users\I508530\.m2\repository\org\yaml\snakeyaml\1.20\snakeyaml-1.20.jar;C:\Users\I508530\.m2\repository\org\apache\curator\curator-recipes\4.0.1\curator-recipes-4.0.1.jar;C:\Users\I508530\.m2\repository\org\apache\curator\curator-framework\4.0.1\curator-framework-4.0.1.jar;C:\Users\I508530\.m2\repository\org\apache\curator\curator-client\4.0.1\curator-client-4.0.1.jar;C:\Users\I508530\.m2\repository\com\google\guava\guava\20.0\guava-20.0.jar;C:\Users\I508530\.m2\repository\org\apache\zookeeper\zookeeper\3.4.13\zookeeper-3.4.13.jar;C:\Users\I508530\.m2\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;C:\Users\I508530\.m2\repository\org\slf4j\slf4j-log4j12\1.7.25\slf4j-log4j12-1.7.25.jar;C:\Users\I508530\.m2\repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:\Users\I508530\.m2\repository\jline\jline\0.9.94\jline-0.9.94.jar;C:\Users\I508530\.m2\repository\org\apache\yetus\audience-annotations\0.5.0\audience-annotations-0.5.0.jar;C:\Users\I508530\AppData\Local\JetBrains\Toolbox\apps\IDEA-U\ch-0\183.5912.21\lib\idea_rt.jar
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.library.path=C:\Program Files\Java\jdk1.8.0_201\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Java\jdk1.8.0_201\bin;C:\Program Files\Java\jdk1.8.0_201\jre\bin;C:\ProgramData\chocolatey\bin;C:\Program Files\Git\bin;C:\Users\I508530\Desktop\protoc\bin;C:\Users\I508530\AppData\Local\Microsoft\WindowsApps;;C:\Users\I508530\AppData\Local\Programs\Microsoft VS Code\bin;.
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=C:\Users\I508530\AppData\Local\Temp\
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.compiler=&lt;NA&gt;
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:os.name=Windows 10
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:os.version=10.0
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:user.name=I508530
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:user.home=C:\Users\I508530
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:user.dir=C:\Users\I508530\Desktop\Git\dubbo_jcorn
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Initiating client connection, connectString=114.116.164.43:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3ec300f1
[14/05/19 08:26:06:006 CST] main-SendThread(ecs-114-116-164-43.compute.hwclouds-dns.com:2181)  INFO zookeeper.ClientCnxn: Opening socket connection to server ecs-114-116-164-43.compute.hwclouds-dns.com/114.116.164.43:2181. Will not attempt to authenticate using SASL (unknown error)
[14/05/19 08:26:06:006 CST] main  INFO imps.CuratorFrameworkImpl: Default schema
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] No valid zookeeper client found from cache, therefore create a new client for url. zookeeper://114.116.164.43:2181/ConfigCenterConfig?address=zookeeper://114.116.164.43:2181&amp;check=true&amp;configFile=dubbo.properties&amp;group=dubbo&amp;highestPriority=false&amp;namespace=dubbo&amp;prefix=dubbo.config-center&amp;timeout=3000&amp;valid=true, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main-SendThread(ecs-114-116-164-43.compute.hwclouds-dns.com:2181)  INFO zookeeper.ClientCnxn: Socket connection established to ecs-114-116-164-43.compute.hwclouds-dns.com/114.116.164.43:2181, initiating session
[14/05/19 08:26:06:006 CST] main-SendThread(ecs-114-116-164-43.compute.hwclouds-dns.com:2181)  INFO zookeeper.ClientCnxn: Session establishment complete on server ecs-114-116-164-43.compute.hwclouds-dns.com/114.116.164.43:2181, sessionid = 0x1016cfd22560023, negotiated timeout = 40000
[14/05/19 08:26:06:006 CST] main-EventThread  INFO state.ConnectionStateManager: State change: CONNECTED
[14/05/19 08:26:06:006 CST] main  WARN config.ConfigurationUtils:  [DUBBO] You specified the config centre, but there's not even one single config item in it., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  WARN config.ConfigurationUtils:  [DUBBO] You specified the config centre, but there's not even one single config item in it., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO config.AbstractConfig:  [DUBBO] There's no valid monitor config found, if you want to open monitor statistics for Dubbo, please make sure your monitor is configured properly., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main ERROR server.Server:  [DUBBO] qos-server can not bind localhost:22222, dubbo version: 2.7.1, current host: 172.30.158.141
java.net.BindException: Address already in use: bind
	at sun.nio.ch.Net.bind0(Native Method)
	at sun.nio.ch.Net.bind(Net.java:433)
	at sun.nio.ch.Net.bind(Net.java:425)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
	at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1358)
	at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
	at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
	at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:1019)
	at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
	at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:366)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:465)
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Thread.java:748)
[14/05/19 08:26:06:006 CST] main  WARN protocol.QosProtocolWrapper:  [DUBBO] Fail to start qos server: , dubbo version: 2.7.1, current host: 172.30.158.141
java.net.BindException: Address already in use: bind
	at sun.nio.ch.Net.bind0(Native Method)
	at sun.nio.ch.Net.bind(Net.java:433)
	at sun.nio.ch.Net.bind(Net.java:425)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
	at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1358)
	at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
	at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
	at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:1019)
	at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
	at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:366)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:465)
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Thread.java:748)
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Load registry cache file C:\Users\I508530\.dubbo\dubbo-registry-first-dubbo-consumer-114.116.164.43:2181.cache, data: {cn.jcorn.dubbo.api.GreetingService=empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=15580&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836659355 empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=configurators&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=15580&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836659355 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=17480&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557834311569 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14608&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830137270 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14616&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830522802 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=20900&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836234121 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=24724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835560283 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5976&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830110613 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5972&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830616062 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=21724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836633787 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=3056&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835269408}, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] find valid zookeeper client from the cache for address: zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?application=first-dubbo-consumer&amp;dubbo=2.0.2&amp;interface=org.apache.dubbo.registry.RegistryService&amp;pid=11864&amp;release=2.7.1&amp;timestamp=1557836766196, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Register: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=consumers&amp;check=false&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Subscribe: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:07:007 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Notify urls for subscribe url consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, urls: [dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=17480&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557834311569, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14608&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830137270, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14616&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830522802, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=20900&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836234121, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=24724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835560283, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5976&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830110613, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5972&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830616062, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=21724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836633787, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=3056&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835269408, empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=configurators&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532], dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] main  WARN transport.AbstractClient:  [DUBBO] Failed to start NettyClient DLCN34609493A/172.30.158.141 connect to the server /172.30.158.141:20880 (check == false, ignore and retry later!), cause: client(url: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;codec=dubbo&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;heartbeat=60000&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532) failed to connect to server /172.30.158.141:20880 client-side timeout 3000ms (elapsed: 3005ms) from netty client 172.30.158.141 using dubbo version 2.7.1, dubbo version: 2.7.1, current host: 172.30.158.141
org.apache.dubbo.remoting.RemotingException: client(url: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;codec=dubbo&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;heartbeat=60000&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532) failed to connect to server /172.30.158.141:20880 client-side timeout 3000ms (elapsed: 3005ms) from netty client 172.30.158.141 using dubbo version 2.7.1
	at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:136)
	at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:186)
	at org.apache.dubbo.remoting.transport.AbstractClient.&lt;init&gt;(AbstractClient.java:65)
	at org.apache.dubbo.remoting.transport.netty4.NettyClient.&lt;init&gt;(NettyClient.java:57)
	at org.apache.dubbo.remoting.transport.netty4.NettyTransporter.connect(NettyTransporter.java:37)
	at org.apache.dubbo.remoting.Transporter$Adaptive.connect(Transporter$Adaptive.java)
	at org.apache.dubbo.remoting.Transporters.connect(Transporters.java:75)
	at org.apache.dubbo.remoting.exchange.support.header.HeaderExchanger.connect(HeaderExchanger.java:39)
	at org.apache.dubbo.remoting.exchange.Exchangers.connect(Exchangers.java:109)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.initClient(DubboProtocol.java:577)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.buildReferenceCountExchangeClient(DubboProtocol.java:545)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.buildReferenceCountExchangeClientList(DubboProtocol.java:532)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.getSharedClient(DubboProtocol.java:457)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.getClients(DubboProtocol.java:412)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.refer(DubboProtocol.java:389)
	at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:67)
	at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:116)
	at org.apache.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:72)
	at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at org.apache.dubbo.registry.integration.RegistryDirectory.toInvokers(RegistryDirectory.java:408)
	at org.apache.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:265)
	at org.apache.dubbo.registry.integration.RegistryDirectory.refreshOverrideAndInvoker(RegistryDirectory.java:224)
	at org.apache.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:218)
	at org.apache.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:399)
	at org.apache.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:364)
	at org.apache.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:355)
	at org.apache.dubbo.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:169)
	at org.apache.dubbo.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:290)
	at org.apache.dubbo.registry.integration.RegistryDirectory.subscribe(RegistryDirectory.java:157)
	at org.apache.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:386)
	at org.apache.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:367)
	at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:114)
	at org.apache.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:70)
	at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:366)
	at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:305)
	at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:231)
	at cn.jcorn.dubbo.consumer.Application.main(Application.java:15)
Exception in thread &quot;main&quot; java.lang.IllegalStateException: Failed to check the status of the service cn.jcorn.dubbo.api.GreetingService. No provider available for the service cn.jcorn.dubbo.api.GreetingService from the url zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532 to the consumer 172.30.158.141 use dubbo version 2.7.1
	at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:390)
	at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:305)
	at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:231)
	at cn.jcorn.dubbo.consumer.Application.main(Application.java:15)
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO config.DubboShutdownHook:  [DUBBO] Run shutdown hook now., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO support.AbstractRegistryFactory:  [DUBBO] Close all registries [zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?application=first-dubbo-consumer&amp;dubbo=2.0.2&amp;interface=org.apache.dubbo.registry.RegistryService&amp;pid=11864&amp;release=2.7.1&amp;timestamp=1557836766196], dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Destroy registry:zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?application=first-dubbo-consumer&amp;dubbo=2.0.2&amp;interface=org.apache.dubbo.registry.RegistryService&amp;pid=11864&amp;release=2.7.1&amp;timestamp=1557836766196, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Unregister: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=consumers&amp;check=false&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Destroy unregister url consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=consumers&amp;check=false&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Unsubscribe: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Destroy unsubscribe url consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] Curator-Framework-0  INFO imps.CuratorFrameworkImpl: backgroundOperationsLoop exiting
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZooKeeper: Session: 0x1016cfd22560023 closed
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Close dubbo connect: 172.30.158.141:0--&gt;/172.30.158.141:20880, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830522802&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=demo-provider&amp;remote.timestamp=1557835269408&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830137270&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830616062&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830110613&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] main-EventThread  INFO zookeeper.ClientCnxn: EventThread shut down for session: 0x1016cfd22560023
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557836633787&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=demo-provider&amp;remote.timestamp=1557836234121&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=demo-provider&amp;remote.timestamp=1557835560283&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO server.Server:  [DUBBO] qos-server stopped., dubbo version: 2.7.1, current host: 172.30.158.141"><pre class="notranslate"><code class="notranslate">[14/05/19 08:26:04:004 CST] main  INFO logger.LoggerFactory: using logger: org.apache.dubbo.common.logger.log4j.Log4jLoggerAdapter
[14/05/19 08:26:05:005 CST] main  WARN config.AbstractConfig:  [DUBBO] There's no valid metadata config found, if you are using the simplified mode of registry url, please make sure you have a metadata address configured properly., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:05:005 CST] main  INFO utils.Compatibility: Running in ZooKeeper 3.4.x compatibility mode
[14/05/19 08:26:05:005 CST] main  INFO imps.CuratorFrameworkImpl: Starting
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03, built on 06/29/2018 00:39 GMT
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:host.name=DLCN34609493A.apj.global.corp.sap
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.version=1.8.0_201
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.home=C:\Program Files\Java\jdk1.8.0_201\jre
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.class.path=C:\Program Files\Java\jdk1.8.0_201\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\rt.jar;C:\Users\I508530\Desktop\Git\dubbo_jcorn\target\classes;C:\Users\I508530\.m2\repository\org\apache\dubbo\dubbo\2.7.1\dubbo-2.7.1.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-context\4.3.16.RELEASE\spring-context-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-aop\4.3.16.RELEASE\spring-aop-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-beans\4.3.16.RELEASE\spring-beans-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-core\4.3.16.RELEASE\spring-core-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\commons-logging\commons-logging\1.2\commons-logging-1.2.jar;C:\Users\I508530\.m2\repository\org\springframework\spring-expression\4.3.16.RELEASE\spring-expression-4.3.16.RELEASE.jar;C:\Users\I508530\.m2\repository\org\javassist\javassist\3.20.0-GA\javassist-3.20.0-GA.jar;C:\Users\I508530\.m2\repository\io\netty\netty-all\4.1.25.Final\netty-all-4.1.25.Final.jar;C:\Users\I508530\.m2\repository\com\google\code\gson\gson\2.8.5\gson-2.8.5.jar;C:\Users\I508530\.m2\repository\org\yaml\snakeyaml\1.20\snakeyaml-1.20.jar;C:\Users\I508530\.m2\repository\org\apache\curator\curator-recipes\4.0.1\curator-recipes-4.0.1.jar;C:\Users\I508530\.m2\repository\org\apache\curator\curator-framework\4.0.1\curator-framework-4.0.1.jar;C:\Users\I508530\.m2\repository\org\apache\curator\curator-client\4.0.1\curator-client-4.0.1.jar;C:\Users\I508530\.m2\repository\com\google\guava\guava\20.0\guava-20.0.jar;C:\Users\I508530\.m2\repository\org\apache\zookeeper\zookeeper\3.4.13\zookeeper-3.4.13.jar;C:\Users\I508530\.m2\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;C:\Users\I508530\.m2\repository\org\slf4j\slf4j-log4j12\1.7.25\slf4j-log4j12-1.7.25.jar;C:\Users\I508530\.m2\repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:\Users\I508530\.m2\repository\jline\jline\0.9.94\jline-0.9.94.jar;C:\Users\I508530\.m2\repository\org\apache\yetus\audience-annotations\0.5.0\audience-annotations-0.5.0.jar;C:\Users\I508530\AppData\Local\JetBrains\Toolbox\apps\IDEA-U\ch-0\183.5912.21\lib\idea_rt.jar
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.library.path=C:\Program Files\Java\jdk1.8.0_201\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Java\jdk1.8.0_201\bin;C:\Program Files\Java\jdk1.8.0_201\jre\bin;C:\ProgramData\chocolatey\bin;C:\Program Files\Git\bin;C:\Users\I508530\Desktop\protoc\bin;C:\Users\I508530\AppData\Local\Microsoft\WindowsApps;;C:\Users\I508530\AppData\Local\Programs\Microsoft VS Code\bin;.
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=C:\Users\I508530\AppData\Local\Temp\
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:java.compiler=&lt;NA&gt;
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:os.name=Windows 10
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:os.version=10.0
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:user.name=I508530
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:user.home=C:\Users\I508530
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Client environment:user.dir=C:\Users\I508530\Desktop\Git\dubbo_jcorn
[14/05/19 08:26:05:005 CST] main  INFO zookeeper.ZooKeeper: Initiating client connection, connectString=114.116.164.43:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3ec300f1
[14/05/19 08:26:06:006 CST] main-SendThread(ecs-114-116-164-43.compute.hwclouds-dns.com:2181)  INFO zookeeper.ClientCnxn: Opening socket connection to server ecs-114-116-164-43.compute.hwclouds-dns.com/114.116.164.43:2181. Will not attempt to authenticate using SASL (unknown error)
[14/05/19 08:26:06:006 CST] main  INFO imps.CuratorFrameworkImpl: Default schema
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] No valid zookeeper client found from cache, therefore create a new client for url. zookeeper://114.116.164.43:2181/ConfigCenterConfig?address=zookeeper://114.116.164.43:2181&amp;check=true&amp;configFile=dubbo.properties&amp;group=dubbo&amp;highestPriority=false&amp;namespace=dubbo&amp;prefix=dubbo.config-center&amp;timeout=3000&amp;valid=true, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main-SendThread(ecs-114-116-164-43.compute.hwclouds-dns.com:2181)  INFO zookeeper.ClientCnxn: Socket connection established to ecs-114-116-164-43.compute.hwclouds-dns.com/114.116.164.43:2181, initiating session
[14/05/19 08:26:06:006 CST] main-SendThread(ecs-114-116-164-43.compute.hwclouds-dns.com:2181)  INFO zookeeper.ClientCnxn: Session establishment complete on server ecs-114-116-164-43.compute.hwclouds-dns.com/114.116.164.43:2181, sessionid = 0x1016cfd22560023, negotiated timeout = 40000
[14/05/19 08:26:06:006 CST] main-EventThread  INFO state.ConnectionStateManager: State change: CONNECTED
[14/05/19 08:26:06:006 CST] main  WARN config.ConfigurationUtils:  [DUBBO] You specified the config centre, but there's not even one single config item in it., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  WARN config.ConfigurationUtils:  [DUBBO] You specified the config centre, but there's not even one single config item in it., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO config.AbstractConfig:  [DUBBO] There's no valid monitor config found, if you want to open monitor statistics for Dubbo, please make sure your monitor is configured properly., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main ERROR server.Server:  [DUBBO] qos-server can not bind localhost:22222, dubbo version: 2.7.1, current host: 172.30.158.141
java.net.BindException: Address already in use: bind
	at sun.nio.ch.Net.bind0(Native Method)
	at sun.nio.ch.Net.bind(Net.java:433)
	at sun.nio.ch.Net.bind(Net.java:425)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
	at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1358)
	at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
	at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
	at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:1019)
	at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
	at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:366)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:465)
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Thread.java:748)
[14/05/19 08:26:06:006 CST] main  WARN protocol.QosProtocolWrapper:  [DUBBO] Fail to start qos server: , dubbo version: 2.7.1, current host: 172.30.158.141
java.net.BindException: Address already in use: bind
	at sun.nio.ch.Net.bind0(Native Method)
	at sun.nio.ch.Net.bind(Net.java:433)
	at sun.nio.ch.Net.bind(Net.java:425)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
	at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1358)
	at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
	at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
	at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:1019)
	at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
	at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:366)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:465)
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Thread.java:748)
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Load registry cache file C:\Users\I508530\.dubbo\dubbo-registry-first-dubbo-consumer-114.116.164.43:2181.cache, data: {cn.jcorn.dubbo.api.GreetingService=empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=15580&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836659355 empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=configurators&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=15580&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836659355 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=17480&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557834311569 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14608&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830137270 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14616&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830522802 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=20900&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836234121 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=24724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835560283 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5976&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830110613 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5972&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830616062 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=21724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836633787 dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=3056&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835269408}, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] find valid zookeeper client from the cache for address: zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?application=first-dubbo-consumer&amp;dubbo=2.0.2&amp;interface=org.apache.dubbo.registry.RegistryService&amp;pid=11864&amp;release=2.7.1&amp;timestamp=1557836766196, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Register: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=consumers&amp;check=false&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:06:006 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Subscribe: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:07:007 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Notify urls for subscribe url consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, urls: [dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=17480&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557834311569, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14608&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830137270, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=14616&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830522802, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=20900&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836234121, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=24724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835560283, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5976&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830110613, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=5972&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557830616062, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-provider&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=21724&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557836633787, dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=demo-provider&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.register=true&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;methods=sayHello&amp;pid=3056&amp;register=true&amp;release=2.7.1&amp;side=provider&amp;timestamp=1557835269408, empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=configurators&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, empty://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532], dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] main  WARN transport.AbstractClient:  [DUBBO] Failed to start NettyClient DLCN34609493A/172.30.158.141 connect to the server /172.30.158.141:20880 (check == false, ignore and retry later!), cause: client(url: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;codec=dubbo&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;heartbeat=60000&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532) failed to connect to server /172.30.158.141:20880 client-side timeout 3000ms (elapsed: 3005ms) from netty client 172.30.158.141 using dubbo version 2.7.1, dubbo version: 2.7.1, current host: 172.30.158.141
org.apache.dubbo.remoting.RemotingException: client(url: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;codec=dubbo&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;heartbeat=60000&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532) failed to connect to server /172.30.158.141:20880 client-side timeout 3000ms (elapsed: 3005ms) from netty client 172.30.158.141 using dubbo version 2.7.1
	at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:136)
	at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:186)
	at org.apache.dubbo.remoting.transport.AbstractClient.&lt;init&gt;(AbstractClient.java:65)
	at org.apache.dubbo.remoting.transport.netty4.NettyClient.&lt;init&gt;(NettyClient.java:57)
	at org.apache.dubbo.remoting.transport.netty4.NettyTransporter.connect(NettyTransporter.java:37)
	at org.apache.dubbo.remoting.Transporter$Adaptive.connect(Transporter$Adaptive.java)
	at org.apache.dubbo.remoting.Transporters.connect(Transporters.java:75)
	at org.apache.dubbo.remoting.exchange.support.header.HeaderExchanger.connect(HeaderExchanger.java:39)
	at org.apache.dubbo.remoting.exchange.Exchangers.connect(Exchangers.java:109)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.initClient(DubboProtocol.java:577)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.buildReferenceCountExchangeClient(DubboProtocol.java:545)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.buildReferenceCountExchangeClientList(DubboProtocol.java:532)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.getSharedClient(DubboProtocol.java:457)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.getClients(DubboProtocol.java:412)
	at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.refer(DubboProtocol.java:389)
	at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:67)
	at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:116)
	at org.apache.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:72)
	at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at org.apache.dubbo.registry.integration.RegistryDirectory.toInvokers(RegistryDirectory.java:408)
	at org.apache.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:265)
	at org.apache.dubbo.registry.integration.RegistryDirectory.refreshOverrideAndInvoker(RegistryDirectory.java:224)
	at org.apache.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:218)
	at org.apache.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:399)
	at org.apache.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:364)
	at org.apache.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:355)
	at org.apache.dubbo.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:169)
	at org.apache.dubbo.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:290)
	at org.apache.dubbo.registry.integration.RegistryDirectory.subscribe(RegistryDirectory.java:157)
	at org.apache.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:386)
	at org.apache.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:367)
	at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:114)
	at org.apache.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:70)
	at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:366)
	at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:305)
	at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:231)
	at cn.jcorn.dubbo.consumer.Application.main(Application.java:15)
Exception in thread "main" java.lang.IllegalStateException: Failed to check the status of the service cn.jcorn.dubbo.api.GreetingService. No provider available for the service cn.jcorn.dubbo.api.GreetingService from the url zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532 to the consumer 172.30.158.141 use dubbo version 2.7.1
	at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:390)
	at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:305)
	at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:231)
	at cn.jcorn.dubbo.consumer.Application.main(Application.java:15)
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO config.DubboShutdownHook:  [DUBBO] Run shutdown hook now., dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO support.AbstractRegistryFactory:  [DUBBO] Close all registries [zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?application=first-dubbo-consumer&amp;dubbo=2.0.2&amp;interface=org.apache.dubbo.registry.RegistryService&amp;pid=11864&amp;release=2.7.1&amp;timestamp=1557836766196], dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Destroy registry:zookeeper://114.116.164.43:2181/org.apache.dubbo.registry.RegistryService?application=first-dubbo-consumer&amp;dubbo=2.0.2&amp;interface=org.apache.dubbo.registry.RegistryService&amp;pid=11864&amp;release=2.7.1&amp;timestamp=1557836766196, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Unregister: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=consumers&amp;check=false&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Destroy unregister url consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=consumers&amp;check=false&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Unsubscribe: consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Destroy unsubscribe url consumer://172.30.158.141/cn.jcorn.dubbo.api.GreetingService?application=first-dubbo-consumer&amp;category=providers,configurators,routers&amp;default.lazy=false&amp;default.sticky=false&amp;dubbo=2.0.2&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;release=2.7.1&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] Curator-Framework-0  INFO imps.CuratorFrameworkImpl: backgroundOperationsLoop exiting
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO zookeeper.ZooKeeper: Session: 0x1016cfd22560023 closed
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Close dubbo connect: 172.30.158.141:0--&gt;/172.30.158.141:20880, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830522802&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=demo-provider&amp;remote.timestamp=1557835269408&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830137270&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830616062&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557830110613&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] main-EventThread  INFO zookeeper.ClientCnxn: EventThread shut down for session: 0x1016cfd22560023
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557834311569&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=first-dubbo-provider&amp;remote.timestamp=1557836633787&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=demo-provider&amp;remote.timestamp=1557836234121&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO dubbo.DubboProtocol:  [DUBBO] Destroy reference: dubbo://172.30.158.141:20880/cn.jcorn.dubbo.api.GreetingService?anyhost=true&amp;application=first-dubbo-consumer&amp;bean.name=providers:dubbo:cn.jcorn.dubbo.api.GreetingService&amp;check=false&amp;default.deprecated=false&amp;default.dynamic=false&amp;default.lazy=false&amp;default.register=true&amp;default.sticky=false&amp;deprecated=false&amp;dubbo=2.0.2&amp;dynamic=false&amp;generic=false&amp;interface=cn.jcorn.dubbo.api.GreetingService&amp;lazy=false&amp;methods=sayHello&amp;pid=11864&amp;register=true&amp;register.ip=172.30.158.141&amp;release=2.7.1&amp;remote.application=demo-provider&amp;remote.timestamp=1557835560283&amp;side=consumer&amp;sticky=false&amp;timestamp=1557836765532, dubbo version: 2.7.1, current host: 172.30.158.141
[14/05/19 08:26:10:010 CST] DubboShutdownHook  INFO server.Server:  [DUBBO] qos-server stopped., dubbo version: 2.7.1, current host: 172.30.158.141
</code></pre></div>
<p dir="auto">and <a href="https://github.com/apache/incubator-dubbo-samples/tree/master/dubbo-samples-zookeeper">https://github.com/apache/incubator-dubbo-samples/tree/master/dubbo-samples-zookeeper</a> leads to the same result.</p>
<ol start="2" dir="auto">
<li>
<p dir="auto">dubbo appear to another address, no matter which zk instance I use, there is always a host at <code class="notranslate">172.30.158.141</code>. but in my properties there is 127.0.0.1 or other ip address.</p>
</li>
<li>
<p dir="auto">At dubbo admin there provider registered but consumer appears then soon disappear.</p>
</li>
<li>
<p dir="auto">Like <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="436555810" data-permission-text="Title is private" data-url="https://github.com/apache/dubbo-admin/issues/376" data-hovercard-type="issue" data-hovercard-url="/apache/dubbo-admin/issues/376/hovercard" href="https://github.com/apache/dubbo-admin/issues/376">apache/dubbo-admin#376</a> , probider has never disappear but no consumer.</p>
</li>
</ol>