[ 
http://jira.codehaus.org/browse/CONTINUUM-661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Emmanuel Venisse closed CONTINUUM-661.
--------------------------------------

         Assignee: Emmanuel Venisse
       Resolution: Fixed
    Fix Version/s:     (was: Future)
                   1.1-alpha-2

> ConcurrentModificationException when building maven2 multiproject
> -----------------------------------------------------------------
>
>                 Key: CONTINUUM-661
>                 URL: http://jira.codehaus.org/browse/CONTINUUM-661
>             Project: Continuum
>          Issue Type: Bug
>          Components: Integration - Maven 2
>    Affects Versions: 1.0.3
>         Environment: Solaris 10 Sparc
>            Reporter: Kaare Nilsen
>            Assignee: Emmanuel Venisse
>             Fix For: 1.1-alpha-2
>
>
> ConcurrentModificationException occurs sometimes. I counted 3 in about 15 
> hours, when running a 55 module project.
> Stacktrace : 
> INFO   | jvm 1    | 2006/04/19 03:00:03 | Apr 19, 2006 3:00:02 AM 
> org.quartz.core.JobRunShell run
> INFO   | jvm 1    | 2006/04/19 03:00:03 | SEVERE: Job 
> DEFAULT.DEFAULT_SCHEDULE threw an unhandled Exception: 
> INFO   | jvm 1    | 2006/04/19 03:00:03 | 
> java.util.ConcurrentModificationException
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:617)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> java.util.LinkedList$ListItr.next(LinkedList.java:552)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.buildqueue.evaluator.BuildProjectTaskViabilityEvaluator.evaluate(BuildProjectTaskViabilityEvaluator.java:62)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.codehaus.plexus.taskqueue.DefaultTaskQueue.put(DefaultTaskQueue.java:153)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.DefaultContinuum.buildProject(DefaultContinuum.java:543)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.DefaultContinuum.buildProjects(DefaultContinuum.java:436)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.scheduler.ContinuumBuildJob.execute(ContinuumBuildJob.java:65)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.quartz.core.JobRunShell.run(JobRunShell.java:191)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:516)
> INFO   | jvm 1    | 2006/04/19 03:00:03 | Apr 19, 2006 3:00:02 AM 
> org.quartz.core.ErrorLogger schedulerError
> INFO   | jvm 1    | 2006/04/19 03:00:03 | SEVERE: Job 
> (DEFAULT.DEFAULT_SCHEDULE threw an exception.
> INFO   | jvm 1    | 2006/04/19 03:00:03 | org.quartz.SchedulerException: Job 
> threw an unhandled exception. [See nested exception: 
> java.util.ConcurrentModificationException]
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.quartz.core.JobRunShell.run(JobRunShell.java:202)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:516)
> INFO   | jvm 1    | 2006/04/19 03:00:03 | * Nested Exception (Underlying 
> Cause) ---------------
> INFO   | jvm 1    | 2006/04/19 03:00:03 | 
> java.util.ConcurrentModificationException
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:617)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> java.util.LinkedList$ListItr.next(LinkedList.java:552)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.buildqueue.evaluator.BuildProjectTaskViabilityEvaluator.evaluate(BuildProjectTaskViabilityEvaluator.java:62)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.codehaus.plexus.taskqueue.DefaultTaskQueue.put(DefaultTaskQueue.java:153)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.DefaultContinuum.buildProject(DefaultContinuum.java:543)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.DefaultContinuum.buildProjects(DefaultContinuum.java:436)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.apache.maven.continuum.scheduler.ContinuumBuildJob.execute(ContinuumBuildJob.java:65)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.quartz.core.JobRunShell.run(JobRunShell.java:191)
> INFO   | jvm 1    | 2006/04/19 03:00:03 |     at 
> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:516)

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