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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7032) [ATSv2] NPE while starting hbase co-processor
Date Thu, 17 Aug 2017 15:44:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-7032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haibo Chen updated YARN-7032:
-----------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: YARN-5355

> [ATSv2] NPE while starting hbase co-processor
> ---------------------------------------------
>
>                 Key: YARN-7032
>                 URL: https://issues.apache.org/jira/browse/YARN-7032
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Rohith Sharma K S
>
> It is seen randomly that hbase co-processor fails to start with NPE. But again starting
RegionServer, able to succeed in starting RS. 
> {noformat}
> 2017-08-17 05:53:13,535 ERROR [RpcServer.FifoWFPBQ.priority.handler=18,queue=0,port=16020]
coprocessor.CoprocessorHost: The coprocessor org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunCoprocessor
threw java.lang.NullPointerException
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.Tag.fromList(Tag.java:187)
>         at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunCoprocessor.prePut(FlowRunCoprocessor.java:102)
>         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$30.call(RegionCoprocessorHost.java:885)
> {noformat}



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