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https://issues.apache.org/jira/browse/YARN-7032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296425#comment-16296425
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Rohith Sharma K S commented on YARN-7032:
-----------------------------------------
cc :/ [~sunilg]
> [ATSv2] NPE while starting hbase co-processor when HBase authorization is
> enabled.
> ----------------------------------------------------------------------------------
>
> Key: YARN-7032
> URL: https://issues.apache.org/jira/browse/YARN-7032
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Priority: Critical
> Attachments: YARN-7032.01.patch,
> hbase-yarn-regionserver-ctr-e136-1513029738776-1405-01-000002.hwx.site.log
>
>
> 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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