[jira] [Commented] (TEZ-2440) Sorter should check for indexCacheList.size() in flush()

["TezQA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14559991#comment-14559991 ] 

TezQA commented on TEZ-2440:
----------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  http://issues.apache.org/jira/secure/attachment/12735421/TEZ-2440-1.patch
  against master revision 7be325e.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/741//console

This message is automatically generated.

> Sorter should check for indexCacheList.size() in flush()
> --------------------------------------------------------
>
>                 Key: TEZ-2440
>                 URL: https://issues.apache.org/jira/browse/TEZ-2440
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Mit Desai
>         Attachments: TEZ-2440-1.patch
>
>
> {noformat}
> 015-05-11 20:28:20,225 INFO [main] task.TezTaskRunner: Shutdown requested... returning
> 2015-05-11 20:28:20,225 INFO [main] task.TezChild: Got a shouldDie notification via hearbeats. Shutting down
> 2015-05-11 20:28:20,231 INFO [TezChild] impl.PipelinedSorter: Thread interrupted, cleaned up stale data, sorter threads shutdown=true, terminated=false
> 2015-05-11 20:28:20,231 INFO [TezChild] runtime.LogicalIOProcessorRuntimeTask: Joining on EventRouter
> 2015-05-11 20:28:20,231 INFO [TezChild] runtime.LogicalIOProcessorRuntimeTask: Ignoring interrupt while waiting for the router thread to die
> 2015-05-11 20:28:20,232 INFO [TezChild] task.TezTaskRunner: Encounted an error while executing task: attempt_1429683757595_0875_1_07_000000_0
> java.lang.ArrayIndexOutOfBoundsException: -1
>         at java.util.ArrayList.elementData(ArrayList.java:418)
>         at java.util.ArrayList.get(ArrayList.java:431)
>         at org.apache.tez.runtime.library.common.sort.impl.PipelinedSorter.flush(PipelinedSorter.java:462)
>         at org.apache.tez.runtime.library.output.OrderedPartitionedKVOutput.close(OrderedPartitionedKVOutput.java:183)
>         at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.close(LogicalIOProcessorRuntimeTask.java:360)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:181)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:171)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:171)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:167)
>         at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> {noformat}
> When a DAG is killed in the middle, sometimes these exceptions are thrown (e.g q_17 in TPC-DS).  Even though it is completely harmless, it would be better to fix it to avoid distraction when debugging



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