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https://issues.apache.org/jira/browse/MAPREDUCE-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13900704#comment-13900704
]
Jason Lowe commented on MAPREDUCE-5757:
---------------------------------------
Stacktrace:
{noformat}
Caused by: java.util.ConcurrentModificationException
at
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:953)
at java.util.LinkedList$ListItr.next(LinkedList.java:886)
at
org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl.toList(JobControl.java:82)
at
org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl.getSuccessfulJobList(JobControl.java:123)
at
org.apache.hadoop.mapred.jobcontrol.JobControl.getSuccessfulJobs(JobControl.java:75)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.calculateProgress(Launcher.java:252)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:319)
at org.apache.pig.PigServer.launchPlan(PigServer.java:1283)
... 26 more
{noformat}
> ConcurrentModificationException in JobControl.toList
> ----------------------------------------------------
>
> Key: MAPREDUCE-5757
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5757
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 0.23.10, 2.2.0
> Reporter: Jason Lowe
>
> Despite having the fix for MAPREDUCE-5513 we saw another
> ConcurrencyModificationException in JobControl, so something there still
> isn't fixed.
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