Ted Yu created HBASE-16520:
------------------------------
Summary: NullPointerException in
ProcedureExecutor#isProcedureOwner()
Key: HBASE-16520
URL: https://issues.apache.org/jira/browse/HBASE-16520
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
I was trying to abort a procedure which led to master shutdown.
Toward tail of the master log, I saw:
{code}
2016-08-29 20:25:26,180 ERROR [B.fifo.QRpcServer.handler=16,queue=1,port=20000]
coprocessor.CoprocessorHost: The coprocessor
org.apache.ranger.authorization.hbase.RangerAuthorizationCoprocessor threw
java.lang.NullPointerException
java.lang.NullPointerException
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.isProcedureOwner(ProcedureExecutor.java:653)
at
org.apache.ranger.authorization.hbase.RangerAuthorizationCoprocessor.preAbortProcedure(RangerAuthorizationCoprocessor.java:835)
at
org.apache.ranger.authorization.hbase.RangerAuthorizationCoprocessor.preAbortProcedure(RangerAuthorizationCoprocessor.java:3107)
at
org.apache.hadoop.hbase.master.MasterCoprocessorHost$47.call(MasterCoprocessorHost.java:601)
at
org.apache.hadoop.hbase.master.MasterCoprocessorHost.execOperation(MasterCoprocessorHost.java:1146)
at
org.apache.hadoop.hbase.master.MasterCoprocessorHost.preAbortProcedure(MasterCoprocessorHost.java:597)
at
org.apache.hadoop.hbase.master.HMaster.abortProcedure(HMaster.java:2654)
at
org.apache.hadoop.hbase.master.MasterRpcServices.abortProcedure(MasterRpcServices.java:1070)
at
org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:57274)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2127)
{code}
Under /procedures.jsp (after restart), the procedure I tried to abort had null
as Owner.
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