Classpath (ex/im)plosion with site plugin 2.1
---------------------------------------------

                 Key: MSITE-470
                 URL: http://jira.codehaus.org/browse/MSITE-470
             Project: Maven 2.x Site Plugin
          Issue Type: Bug
    Affects Versions: 2.1
            Reporter: Benson Margulies


I'm not sure how to chase this. I got here with mvn javadoc:javadoc 
javadoc:test-javadoc site:site site:deploy

{noformat}
[INFO] ------------------------------------------------------------------------
[INFO] Building Manifest jar for training jobs
[INFO] ------------------------------------------------------------------------
[WARNING] Removing: check from forked lifecycle, to prevent recursive 
invocation.
[INFO] [checkstyle:checkstyle {execution: validate}]
[INFO] Preparing javadoc:javadoc
[WARNING] Removing: check from forked lifecycle, to prevent recursive 
invocation.
[INFO] [checkstyle:checkstyle {execution: validate}]
[INFO] Starting audit...
Audit done.

[INFO] [site:site]
[INFO] Parent project loaded from repository.
[INFO] Generating "Dependency Convergence" report.
[INFO] Generating "Project Plugins" report.
[INFO] Generating "Project License" report.
[INFO] Generating "Project Team" report.
[INFO] Generating "Project Summary" report.
[INFO] Generating "Continuous Integration" report.
[INFO] Generating "About" report.
[INFO] Generating "Issue Tracking" report.
[INFO] Generating "Dependency Management" report.
[INFO] Generating "Source Repository" report.
[INFO] Generating "Plugin Management" report.
[INFO] Generating "Mailing Lists" report.
[INFO] Generating "Dependencies" report.
[INFO] Generating "JavaDocs" report.
[WARNING] Are you sure about the <javadocVersion/> parameter? It seems to be 1.6
[FATAL ERROR] org.apache.maven.plugins.site.SiteMojo#execute() caused a linkage 
error (java.lang.ExceptionInInitializerError) and may be out-of-date. Check the 
realms:
[FATAL ERROR] Plugin realm = 
app0.child-container[org.apache.maven.plugins:maven-site-plugin:2.1]
urls[0] = 
file:/Users/benson/.m2/repository/org/apache/maven/plugins/maven-site-plugin/2.1/maven-site-plugin-2.1.jar
urls[1] = 
file:/Users/benson/.m2/repository/org/codehaus/plexus/plexus-utils/1.5.1/plexus-utils-1.5.1.jar
urls[2] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-module-xhtml/1.1.2/doxia-module-xhtml-1.1.2.jar
urls[3] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-core/1.1.2/doxia-core-1.1.2.jar
urls[4] = 
file:/Users/benson/.m2/repository/xerces/xercesImpl/2.8.1/xercesImpl-2.8.1.jar
urls[5] = 
file:/Users/benson/.m2/repository/xml-apis/xml-apis/1.3.03/xml-apis-1.3.03.jar
urls[6] = 
file:/Users/benson/.m2/repository/commons-lang/commons-lang/2.1/commons-lang-2.1.jar
urls[7] = 
file:/Users/benson/.m2/repository/commons-httpclient/commons-httpclient/3.1/commons-httpclient-3.1.jar
urls[8] = 
file:/Users/benson/.m2/repository/commons-logging/commons-logging/1.0.4/commons-logging-1.0.4.jar
urls[9] = 
file:/Users/benson/.m2/repository/commons-codec/commons-codec/1.2/commons-codec-1.2.jar
urls[10] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-module-apt/1.1.2/doxia-module-apt-1.1.2.jar
urls[11] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-module-xdoc/1.1.2/doxia-module-xdoc-1.1.2.jar
urls[12] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-module-fml/1.1.2/doxia-module-fml-1.1.2.jar
urls[13] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-decoration-model/1.1.2/doxia-decoration-model-1.1.2.jar
urls[14] = 
file:/Users/benson/.m2/repository/org/apache/maven/doxia/doxia-site-renderer/1.1.2/doxia-site-renderer-1.1.2.jar
urls[15] = 
file:/Users/benson/.m2/repository/org/codehaus/plexus/plexus-i18n/1.0-beta-7/plexus-i18n-1.0-beta-7.jar
urls[16] = 
file:/Users/benson/.m2/repository/org/codehaus/plexus/plexus-velocity/1.1.8/plexus-velocity-1.1.8.jar
urls[17] = 
file:/Users/benson/.m2/repository/org/apache/velocity/velocity/1.5/velocity-1.5.jar
urls[18] = 
file:/Users/benson/.m2/repository/commons-collections/commons-collections/3.2/commons-collections-3.2.jar
urls[19] = file:/Users/benson/.m2/repository/oro/oro/2.0.8/oro-2.0.8.jar
urls[20] = 
file:/Users/benson/.m2/repository/org/apache/maven/shared/maven-doxia-tools/1.2/maven-doxia-tools-1.2.jar
urls[21] = 
file:/Users/benson/.m2/repository/commons-io/commons-io/1.4/commons-io-1.4.jar
urls[22] = 
file:/Users/benson/.m2/repository/org/codehaus/plexus/plexus-archiver/1.0-alpha-7/plexus-archiver-1.0-alpha-7.jar
urls[23] = 
file:/Users/benson/.m2/repository/org/mortbay/jetty/jetty/6.1.5/jetty-6.1.5.jar
urls[24] = 
file:/Users/benson/.m2/repository/org/mortbay/jetty/jetty-util/6.1.5/jetty-util-6.1.5.jar
urls[25] = 
file:/Users/benson/.m2/repository/org/mortbay/jetty/servlet-api-2.5/6.1.5/servlet-api-2.5-6.1.5.jar
[FATAL ERROR] Container realm = plexus.core
urls[0] = 
file:/Users/benson/x/trunk/third-party-tools/maven/lib/maven-2.1.0-uber.jar
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
Invalid class loader hierarchy.  You have more than one version of 
'org.apache.commons.logging.Log' visible, which is not allowed.
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.ExceptionInInitializerError
        at 
org.apache.maven.plugin.javadoc.JavadocUtil.fetchURL(JavadocUtil.java:730)
        at 
org.apache.maven.plugin.javadoc.AbstractJavadocMojo.isValidJavadocLink(AbstractJavadocMojo.java:4680)
        at 
org.apache.maven.plugin.javadoc.AbstractJavadocMojo.addLinkArguments(AbstractJavadocMojo.java:3229)
        at 
org.apache.maven.plugin.javadoc.AbstractJavadocMojo.addStandardDocletOptions(AbstractJavadocMojo.java:3885)
        at 
org.apache.maven.plugin.javadoc.AbstractJavadocMojo.executeReport(AbstractJavadocMojo.java:1761)
        at 
org.apache.maven.plugin.javadoc.JavadocReport.generate(JavadocReport.java:122)
        at 
org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:164)
        at 
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:328)
        at 
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:132)
        at 
org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:142)
        at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:109)
        at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:483)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:553)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:523)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:356)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.commons.logging.LogConfigurationException: 
org.apache.commons.logging.LogConfigurationException: 
org.apache.commons.logging.LogConfigurationException: Invalid class loader 
hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' 
visible, which is not allowed. (Caused by 
org.apache.commons.logging.LogConfigurationException: Invalid class loader 
hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' 
visible, which is not allowed.) (Caused by 
org.apache.commons.logging.LogConfigurationException: 
org.apache.commons.logging.LogConfigurationException: Invalid class loader 
hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' 
visible, which is not allowed. (Caused by 
org.apache.commons.logging.LogConfigurationException: Invalid class loader 
hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' 
visible, which is not allowed.))
        at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
        at 
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
        at 
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
        at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
        at org.apache.commons.httpclient.HttpClient.<clinit>(HttpClient.java:66)
        ... 29 more
Caused by: org.apache.commons.logging.LogConfigurationException: 
org.apache.commons.logging.LogConfigurationException: Invalid class loader 
hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' 
visible, which is not allowed. (Caused by 
org.apache.commons.logging.LogConfigurationException: Invalid class loader 
hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' 
visible, which is not allowed.)
        at 
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397)
        at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
        ... 33 more
Caused by: org.apache.commons.logging.LogConfigurationException: Invalid class 
loader hierarchy.  You have more than one version of 
'org.apache.commons.logging.Log' visible, which is not allowed.
        at 
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:385)

{noformat}


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