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Rohith Sharma K S commented on YARN-7032: ----------------------------------------- Full stack trace is {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$30.call(RegionCoprocessorHost.java:885) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionOperation.call(RegionCoprocessorHost.java:1660) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1734) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1692) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:881) at org.apache.hadoop.hbase.regionserver.HRegion.doPreMutationHook(HRegion.java:3036) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3011) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2957) at org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:750) at org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:710) at org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2137) at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32393) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2150) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112) at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:187) at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:167) 498516-98899-01-000006.hwx.site,16020,1502949162490: 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$30.call(RegionCoprocessorHost.java:885) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionOperation.call(RegionCoprocessorHost.java:1660) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1734) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1692) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:881) at org.apache.hadoop.hbase.regionserver.HRegion.doPreMutationHook(HRegion.java:3036) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3011) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2957) at org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:750) at org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:710) at org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2137) at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32393) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2150) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112) at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:187) at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:167) 2017-08-17 05:53:13,536 FATAL [RpcServer.FifoWFPBQ.priority.handler=18,queue=0,port=16020] regionserver.HRegionServer: RegionServer abort: loaded coprocessors are: [org.apache.hadoop.hbase.security.access.AccessController, org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunCoprocessor, org.apache.hadoop.hbase.security.token.TokenProvider, org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint, org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint] {noformat} > [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} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org