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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2017/06/18 22:39:02 UTC

[jira] [Commented] (TEZ-3761) NPE in Fetcher under load

    [ https://issues.apache.org/jira/browse/TEZ-3761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16053333#comment-16053333 ] 

Rajesh Balamohan commented on TEZ-3761:
---------------------------------------

Sure. I will add this patch and try it out.

> NPE in Fetcher under load
> -------------------------
>
>                 Key: TEZ-3761
>                 URL: https://issues.apache.org/jira/browse/TEZ-3761
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>         Attachments: TEZ-3761.debug.patch
>
>
> Env: apache tez + apache hive master
> {noformat}
> 2017-06-14 00:24:53,795 [INFO] [Dispatcher thread {Central}] |HistoryEventHandler.criticalEvents|: [HISTORY][DAG:dag_1490656001509_5009_1][Event:TASK_ATTEMPT_FINISHED]: vertexName=Reducer 36, taskAttemptId=attempt_1490656001509_5009_1_15_000013_0, creationTime=1497414223481, allocationTime=1497414290240, startTime=1497414290240, finishTime=1497414293795, timeTaken=3555, status=FAILED, taskFailureType=NON_FATAL, errorEnum=INPUT_READ_ERROR, diagnostics=Error: Error while running task ( failure ) : java.lang.NullPointerException
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.fetchInputs(Fetcher.java:914)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.doHttpFetch(Fetcher.java:599)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.doHttpFetch(Fetcher.java:486)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.callInternal(Fetcher.java:284)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.callInternal(Fetcher.java:76)
>         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$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> , errorMessage=Fetch failed:java.lang.NullPointerException
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.fetchInputs(Fetcher.java:914)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.doHttpFetch(Fetcher.java:599)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.doHttpFetch(Fetcher.java:486)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.callInternal(Fetcher.java:284)
>         at org.apache.tez.runtime.library.common.shuffle.Fetcher.callInternal(Fetcher.java:76)
>         at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Query for ref: Q4 with 10 TB TPC-DS



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