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https://issues.apache.org/jira/browse/TEZ-1087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13983165#comment-13983165
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Bikas Saha commented on TEZ-1087:
---------------------------------
The patch fixes a bug in the code. However, to be sure that its the root cause
of this incident, it would help to have the logs of that task so that we can
check what happened. Do you have the logs?
> ShuffleManager fails with IllegalStateException
> -----------------------------------------------
>
> Key: TEZ-1087
> URL: https://issues.apache.org/jira/browse/TEZ-1087
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Cheolsoo Park
> Attachments: TEZ-1087-1.patch
>
>
> While running a Pig-on-Tez job, I ran into this error-
> {code}
> at java.util.ArrayList$Itr.remove(ArrayList.java:844)
> at
> org.apache.tez.runtime.library.shuffle.common.impl.ShuffleManager.constructFetcherForHost(ShuffleManager.java:314)
> at
> org.apache.tez.runtime.library.shuffle.common.impl.ShuffleManager.access$1200(ShuffleManager.java:80)
> at
> org.apache.tez.runtime.library.shuffle.common.impl.ShuffleManager$RunShuffleCallable.call(ShuffleManager.java:260)
> at
> org.apache.tez.runtime.library.shuffle.common.impl.ShuffleManager$RunShuffleCallable.call(ShuffleManager.java:213)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> {code}
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