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https://issues.apache.org/jira/browse/TEZ-3761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Eagles updated TEZ-3761:
---------------------------------
Attachment: TEZ-3618.2.patch
> 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
> Assignee: Jonathan Eagles
> Attachments: TEZ-3618.2.patch, 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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