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From "Kristian Rosenvold (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (SUREFIRE-710) ConcurrentModificationException in ConcurrentReporterManager
Date Wed, 02 Mar 2011 22:42:22 GMT

    [ http://jira.codehaus.org/browse/SUREFIRE-710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=258263#action_258263
] 

Kristian Rosenvold commented on SUREFIRE-710:
---------------------------------------------

Would you happen to be running with forkedProcessTimeoutInSeconds set to something non-zero
when this happens ?

This actually seems to be just another side-effect of SUREFIRE-690 (PLXUTILS-138), which is
causing threads reading IO from the process to be creeping in to places they should after
a forked process has timed out. PLXUTILS-138 and plexus-utils 2.0.7 will be out soon which
should fix this.

Would this fit your environment/problem ?

> ConcurrentModificationException in ConcurrentReporterManager
> ------------------------------------------------------------
>
>                 Key: SUREFIRE-710
>                 URL: http://jira.codehaus.org/browse/SUREFIRE-710
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: Junit 4.7+ (parallel) support
>    Affects Versions: 2.7.2
>         Environment: $ mvn -version
> Apache Maven 3.0.2 (r1056850; 2011-01-08 19:58:10-0500)
> Java version: 1.6.0_22, vendor: Sun Microsystems Inc.
> Java home: /usr/lib/jvm/java-6-sun-1.6.0.22/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "2.6.35-25-generic", arch: "amd64", family: "unix"
>            Reporter: Mark Renouf
>
> Captured using custom RunListener, tracing to a file:
> 2011-02-28-17:05:30.377 TEST_FAILED   - Test mechanism: java.util.ConcurrentModificationException
> 2011-02-28-17:05:30.378 java.lang.RuntimeException: java.util.ConcurrentModificationException
> 	at org.apache.maven.surefire.junitcore.TestSet.replay(TestSet.java:91)
> 	at org.apache.maven.surefire.junitcore.TestSet.setAllScheduled(TestSet.java:134)
> 	at org.apache.maven.surefire.junitcore.ClassesParallelRunListener.checkIfTestSetCanBeReported(ClassesParallelRunListener.java:47)
> 	at org.apache.maven.surefire.junitcore.ConcurrentReporterManager.testStarting(ConcurrentReporterManager.java:123)
> 	at org.apache.maven.surefire.common.junit4.JUnit4RunListener.testStarted(JUnit4RunListener.java:79)
> 	at org.junit.runner.notification.RunNotifier$3.notifyListener(RunNotifier.java:87)
> 	at org.junit.runner.notification.RunNotifier$SafeNotifier.run(RunNotifier.java:41)
> 	at org.junit.runner.notification.RunNotifier.fireTestStarted(RunNotifier.java:84)
> 	at org.junit.internal.runners.model.EachTestNotifier.fireTestStarted(EachTestNotifier.java:41)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:74)
> 	at com.itasoftware.##############.testrunner.CachedIntegrationTestRunner.runChild(CachedIntegrationTestRunner.java:146)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> 	at org.apache.maven.surefire.junitcore.SynchronousRunner.schedule(SynchronousRunner.java:7)
> 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> 	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> 	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> 	at org.junit.runners.Suite.runChild(Suite.java:128)
> 	at org.junit.runners.Suite.runChild(Suite.java:24)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:662)
> Caused by: java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.maven.surefire.junitcore.LogicalStream.writeDetails(LogicalStream.java:85)
> 	at org.apache.maven.surefire.junitcore.TestMethod.replay(TestMethod.java:101)
> 	at org.apache.maven.surefire.junitcore.TestSet.replay(TestSet.java:83)
> 	... 26 more

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