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From "Benjamin Bentmann (JIRA)" <j...@codehaus.org>
Subject [jira] Closed: (MNG-4659) Strange exception when running Maven from Hudson
Date Tue, 04 May 2010 15:15:14 GMT

     [ http://jira.codehaus.org/browse/MNG-4659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Bentmann closed MNG-4659.
----------------------------------

    Resolution: Not A Bug
      Assignee: Benjamin Bentmann

Please report this to the plugin authors, they will contact back the Maven core team if their
investigation discovers it's really a core issue and not a plugin bug.

> Strange exception when running Maven from Hudson
> ------------------------------------------------
>
>                 Key: MNG-4659
>                 URL: http://jira.codehaus.org/browse/MNG-4659
>             Project: Maven 2 & 3
>          Issue Type: Bug
>    Affects Versions: 2.2.1
>         Environment: uname -a output:
> Linux changedTHIS.com 2.6.9-89.0.9.ELsmp #1 SMP Wed Aug 19 08:06:10 EDT 2009 x86_64 x86_64
x86_64 GNU/Linux
>            Reporter: Joe Gamache
>            Assignee: Benjamin Bentmann
>            Priority: Minor
>
> Running Hudson with a LOT of jobs defined.  We recently moved all of our group's jobs
up to Maven 2.2.1; however, several other groups still run their jobs with Maven 2.0.9.  
Since we made this change, it seems that about once a day we get the exception/stack trace
shown below.  Note: all of the jobs in our Hudson environment run as the same user.  To make
the error go away, one needs to go the hudson user's .m2/repository directory and type:  
rm -rf com
> then when you re-run the job it works successfully!  So even though the error seems like
a Clover one, because of the fix, I thought it should be reported here.  Sorry if this was
a mistake!
> [INFO] ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO] ------------------------------------------------------------------------
> [INFO] null
> [INFO] ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> 	at com.atlassian.maven.plugin.clover.CloverInstrumentInternalMojo.swizzleCloverDependencies(CloverInstrumentInternalMojo.java:394)
> 	at com.atlassian.maven.plugin.clover.CloverInstrumentInternalMojo.swizzleCloverDependencies(CloverInstrumentInternalMojo.java:345)
> 	at com.atlassian.maven.plugin.clover.CloverInstrumentInternalMojo.execute(CloverInstrumentInternalMojo.java:248)
> 	at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkProjectLifecycle(DefaultLifecycleExecutor.java:1205)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkLifecycle(DefaultLifecycleExecutor.java:1038)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:643)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
> 	at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
> 	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)
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 3 minutes 45 seconds
> [INFO] Finished at: Tue May 04 09:56:24 EDT 2010
> [INFO] Final Memory: 51M/311M
> [INFO] ------------------------------------------------------------------------

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