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https://issues.apache.org/jira/browse/HBASE-24074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Stack resolved HBASE-24074.
-----------------------------------
Fix Version/s: 2.2.5
2.3.0
3.0.0
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to branch-2.2+. Let me know if you disagree [~zghao]
> ConcurrentModificationException occurred in ReplicationSourceManager while
> refreshing the peer
> ----------------------------------------------------------------------------------------------
>
> Key: HBASE-24074
> URL: https://issues.apache.org/jira/browse/HBASE-24074
> Project: HBase
> Issue Type: Bug
> Components: Replication
> Reporter: Pankaj Kumar
> Assignee: Pankaj Kumar
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.2.5
>
>
> Peer update failed with ConcurrentModificationException,
> {noformat}
> 2020-03-28 11:36:49,770 | WARN |
> RpcServer.default.FPBQ.Fifo.handler=49,queue=4,port=hm_port | Refresh peer
> peer1 for UPDATE_CONFIG on rs_host,rs_port,1585228936395 failed |
> org.apache.hadoop.hbase.master.replication.RefreshPeerProcedure.complete(RefreshPeerProcedure.java:114)
> java.util.ConcurrentModificationException via
> szvphispra08478,21302,1585228936395:java.util.ConcurrentModificationException:
>
> at
> org.apache.hadoop.hbase.procedure2.RemoteProcedureException.fromProto(RemoteProcedureException.java:124)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.lambda$reportProcedureDone$4(MasterRpcServices.java:2576)
> at java.util.ArrayList.forEach(ArrayList.java:1257)
> at
> java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1082)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.reportProcedureDone(MasterRpcServices.java:2571)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:15341)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:133)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:338)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:318)
> Caused by: java.util.ConcurrentModificationException:
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
> at java.util.ArrayList$Itr.next(ArrayList.java:859)
> at
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceManager.refreshSources(ReplicationSourceManager.java:399)
> at
> org.apache.hadoop.hbase.replication.regionserver.PeerProcedureHandlerImpl.updatePeerConfig(PeerProcedureHandlerImpl.java:123)
> at
> org.apache.hadoop.hbase.replication.regionserver.RefreshPeerCallable.call(RefreshPeerCallable.java:68)
> at
> org.apache.hadoop.hbase.replication.regionserver.RefreshPeerCallable.call(RefreshPeerCallable.java:34)
> at
> org.apache.hadoop.hbase.regionserver.handler.RSProcedureHandler.process(RSProcedureHandler.java:47)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
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