[jira] [Created] (YARN-7032) [ATSv2] NPE while starting hbase co-processor

["Rohith Sharma K S (JIRA)" <ji...@apache.org>]

Rohith Sharma K S created YARN-7032:
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             Summary: [ATSv2] NPE while starting hbase co-processor
                 Key: YARN-7032
                 URL: https://issues.apache.org/jira/browse/YARN-7032
             Project: Hadoop YARN
          Issue Type: Bug
            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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