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From "Wanqiang Ji (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-7211) NPE caused by JobHistoryEventHandler#serviceStop
Date Fri, 31 May 2019 11:12:00 GMT
Wanqiang Ji created MAPREDUCE-7211:
--------------------------------------

             Summary: NPE caused by JobHistoryEventHandler#serviceStop
                 Key: MAPREDUCE-7211
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7211
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Wanqiang Ji
            Assignee: Wanqiang Ji


Call stack:
{noformat}
 org.apache.h
adoop.service.AbstractService: Service JobHistoryEventHandler failed in state STOPPED; cause:
java.lang.NullPointerException
 java.lang.NullPointerException
 at org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.handleEvent(JobHistoryEventHandler.java:653)
 at org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.serviceStop(JobHistoryEventHandler.java:443)
{noformat}
I found it caused by:

{noformat}
 2019-05-29 15:02:41,681 INFO [eventHandlingThread] org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler:
Failed to write the job configuration file
 java.io.IOException: Unable to close file because the last blockBP-649451382-xxx.xxx.xxx.xxx-1557215524698:blk_1378020038_304562904
does not have enough number of replicas.
 at org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler.setupEventWriter(JobHistoryEventHandler.java:561)
{noformat}



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