Invalid class loader hierarchy - more than one version of
'org.apache.commons.logging.Log' visible
--------------------------------------------------------------------------------------------------
Key: MOJO-1226
URL: http://jira.codehaus.org/browse/MOJO-1226
Project: Mojo
Issue Type: Bug
Components: dashboard
Environment: mvn 2.0.9
Reporter: Andreas Höhmann
Priority: Blocker
<groupId>org.codehaus.mojo</groupId>
<artifactId>dashboard-maven-plugin</artifactId>
<version>1.0.0-beta-1</version>
mvn site produce this error:
[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 no
t allowed.
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.ExceptionInInitializerError
at
org.codehaus.mojo.dashboard.report.plugin.hibernate.HibernateServiceImpl.initialize(HibernateServiceImpl.java
:116)
at
org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializePhase.execute(InitializePhase.java:16)
at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManag
er.java:105)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManag
er.java:95)
at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponent
Manager.java:92)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentCompo
ser.java:129)
at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.jav
a:73)
at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentC
omposerManager.java:68)
at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManag
er.java:105)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManag
er.java:95)
at
org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:4
8)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
at
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:609)
at
org.apache.maven.plugin.DefaultPluginManager.getReport(DefaultPluginManager.java:542)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getReports(DefaultLifecycleExecutor.java:711)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getReports(DefaultLifecycleExecutor.java:661)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:536)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:49
9)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.jav
a:330)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
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:585)
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: o
rg.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.LogConfigurationEx
ception: Invalid class loader hierarchy. You have more than one version of
'org.apache.commons.logging.Log' visible, wh
ich is not allowed.) (Caused by
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConf
igurationException: 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 hie
rarchy. 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.hibernate.cfg.Configuration.<clinit>(Configuration.java:120)
... 39 more
Caused by: org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException: I
nvalid 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 mor
e 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)
... 43 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)
... 44 more
what can i do ?
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