title: Error in Maven when it tries to resolve dependencies, could not be resolved
body: <p>I want to include some libraries from ping federate in my maven, I have the jars and I imported in a lib folder. I have the information in .m2 but when I run my pom with Maven says me the next:</p>
  
  <h2>This is my error:</h2>
  
  <pre><code>[ERROR] Failed to execute goal on project identity.provider.attributevalidator: Could not resolve dependencies for project identity.provider.attributevalidator:identity.provider.attributevalidator:jar:1.0.0: The following artifacts could not be resolved: pingfederate:pf-commons:jar:9.1.1.0, pingfederate:pf-protocolengine:jar:9.1.1.0, com.unboundid.components:unboundid-ldapsdk:jar:1.0.0: Failure to find pingfederate:pf-commons:jar:9.1.1.0 in file://C:\Users\CesarMor\Documents\César\Kharon\identity.provider.plugins\Identity.Provider.Plugins\Identity.Provider.AttributeValidator/lib was cached in the local repository, resolution will not be reattempted until the update interval of pingfederate has elapsed or updates are forced -&gt; [Help 1]
  [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/DependencyResolutionException
  </code></pre>
  
  <p>And here we can see pom.xml. I have written all dependencies. I don't know where is the error or where I am doing bad</p>
  
  <pre><code>&lt;project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"&gt;
         &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
         &lt;groupId&gt;identity.provider.attributevalidator&lt;/groupId&gt;
         &lt;artifactId&gt;identity.provider.attributevalidator&lt;/artifactId&gt;
         &lt;version&gt;1.0.0&lt;/version&gt;
         &lt;name&gt;[Kharon] LDAP Attribute Validator&lt;/name&gt;      
         &lt;properties&gt;
               &lt;project.build.sourceEncoding&gt;ISO-8859-1&lt;/project.build.sourceEncoding&gt;
               &lt;project.reporting.outputEncoding&gt;ISO-8859-1&lt;/project.reporting.outputEncoding&gt;
               &lt;javac.source&gt;1.7&lt;/javac.source&gt;
               &lt;javac.target&gt;1.7&lt;/javac.target&gt;
               &lt;jar.to.copy&gt;target/${project.artifactId}&lt;/jar.to.copy&gt;
               &lt;cobertura.version&gt;2.1.1&lt;/cobertura.version&gt;
         &lt;/properties&gt;
         &lt;repositories&gt;
        &lt;repository&gt;
          &lt;id&gt;pingfederate&lt;/id&gt;
          &lt;name&gt;pingfederate&lt;/name&gt;
          &lt;url&gt;file://${project.basedir}/lib&lt;/url&gt;
        &lt;/repository&gt;
      &lt;/repositories&gt;
         &lt;dependencies&gt;
  
               &lt;dependency&gt;
                      &lt;groupId&gt;commons-lang&lt;/groupId&gt;
                      &lt;artifactId&gt;commons-lang&lt;/artifactId&gt;
                      &lt;version&gt;2.4&lt;/version&gt;
               &lt;/dependency&gt;
  
               &lt;dependency&gt;
                      &lt;groupId&gt;commons-logging&lt;/groupId&gt;
                      &lt;artifactId&gt;commons-logging&lt;/artifactId&gt;
                      &lt;version&gt;1.2&lt;/version&gt;
               &lt;/dependency&gt;
  
               &lt;dependency&gt;
                      &lt;groupId&gt;com.unboundid.components&lt;/groupId&gt;
                      &lt;artifactId&gt;json&lt;/artifactId&gt;
                      &lt;version&gt;1.0.0&lt;/version&gt;
               &lt;/dependency&gt;
  
               &lt;dependency&gt;
                      &lt;groupId&gt;pingfederate&lt;/groupId&gt;
                      &lt;artifactId&gt;pf-commons&lt;/artifactId&gt;
                      &lt;version&gt;9.1.1.0&lt;/version&gt;
                      &lt;scope&gt;provided&lt;/scope&gt;
              &lt;/dependency&gt;
  
               &lt;dependency&gt;
                      &lt;groupId&gt;pingfederate&lt;/groupId&gt;
                      &lt;artifactId&gt;pf-protocolengine&lt;/artifactId&gt;
                      &lt;version&gt;9.1.1.0&lt;/version&gt;
                      &lt;scope&gt;provided&lt;/scope&gt;
               &lt;/dependency&gt;
  
               &lt;dependency&gt;
                      &lt;groupId&gt;com.unboundid.components&lt;/groupId&gt;
                      &lt;artifactId&gt;unboundid-ldapsdk&lt;/artifactId&gt;
                      &lt;version&gt;1.0.0&lt;/version&gt;
                      &lt;scope&gt;provided&lt;/scope&gt;
               &lt;/dependency&gt;
  
         &lt;/dependencies&gt;
  
         &lt;build&gt;             
               &lt;pluginManagement&gt;
                      &lt;plugins&gt;
                             &lt;plugin&gt;
                                    &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
                                    &lt;artifactId&gt;maven-compiler-plugin&lt;/artifactId&gt;
                                    &lt;version&gt;2.5.1&lt;/version&gt;
                                    &lt;configuration&gt;
                                          &lt;source&gt;${javac.source}&lt;/source&gt;
                                          &lt;target&gt;${javac.target}&lt;/target&gt;
                                    &lt;/configuration&gt;
                             &lt;/plugin&gt;
                      &lt;/plugins&gt;
               &lt;/pluginManagement&gt;
         &lt;/build&gt;
  &lt;/project&gt;
  </code></pre>