[YARN-7032] [ATSv2] NPE while starting hbase co-processor when HBase authorization is enabled.

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 3.1.0, 2.10.0, 3.0.1
• Hadoop Flags: Reviewed
• Assignee: Rohith Sharma K S
• Reporter: Rohith Sharma K S
• Created: 17/Aug/17 06:03
• Updated: 22/Mar/18 18:17
• Resolved: 20/Dec/17 06:10

Description

It is seen randomly that hbase co-processor fails to start with NPE. But again starting RegionServer, able to succeed in starting RS.

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)