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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-3761) NPE in Fetcher under load
Date Wed, 14 Jun 2017 04:38:00 GMT
Rajesh Balamohan created TEZ-3761:
-------------------------------------

             Summary: 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


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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