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https://issues.apache.org/jira/browse/HBASE-17572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Purtell resolved HBASE-17572.
------------------------------------
Resolution: Fixed
Pushed, re-resolving
> HMaster: Caught throwable while processing event C_M_MERGE_REGION
> -----------------------------------------------------------------
>
> Key: HBASE-17572
> URL: https://issues.apache.org/jira/browse/HBASE-17572
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.3.0
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Fix For: 1.4.0, 1.3.1
>
> Attachments: HBASE-17572-branch-1.3.patch
>
>
> Running ITBLL 1B rows against branch-1.3 compiled against Hadoop 2.7.3 with
> the noKill monkey policy, I see both masters go down with
> master.HMaster: Caught throwable while processing event C_M_MERGE_REGION
> java.lang.reflect.UndeclaredThrowableException
> In ServerManager#sendRegionsMerge we call ProtobufUtil#mergeRegions, which
> does a doAs, and the code within that block invokes
> RSRpcServices#mergeRegions, but is not resilient against
> RegionOpeningException ("region is opening")
> An UndeclaredThrowableException is "thrown by a method invocation on a proxy
> instance if its invocation handler's invoke method throws a checked exception
> (a Throwable that is not assignable to RuntimeException or Error) that is not
> assignable to any of the exception types declared in the throws clause of the
> method that was invoked on the proxy instance and dispatched to the
> invocation handler."
> (http://docs.oracle.com/javase/7/docs/api/java/lang/reflect/UndeclaredThrowableException.html)
>
> {noformat}
> 2017-01-31 07:21:17,495 FATAL [MASTER_TABLE_OPERATIONS-node-1:16000-0]
> master.HMaster: Caught throwable while processing event C_M_MERGE_REGION
> java.lang.reflect.UndeclaredThrowableException
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1737)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil.mergeRegions(ProtobufUtil.java:1990)
> at
> org.apache.hadoop.hbase.master.ServerManager.sendRegionsMerge(ServerManager.java:925)
> at
> org.apache.hadoop.hbase.master.handler.DispatchMergingRegionHandler.process(DispatchMergingRegionHandler.java:153)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: com.google.protobuf.ServiceException:
> org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.exceptions.RegionOpeningException):
> org.apache.hadoop.hbase.exceptions.RegionOpeningException: Region
> IntegrationTestBigLinkedList,|\xFFnk\x1C\x85<[\x1Ef\xFDE\xF9\xAA\xAC\x08,1485846598043.f56ad22121e872777468020c4452a7c7.
> is opening on node-2.cluster,16020,1485822382322
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2964)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:1139)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.mergeRegions(RSRpcServices.java:1497)
> at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:22749)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2355)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:188)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:168)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:244)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:340)
> at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$BlockingStub.mergeRegions(AdminProtos.java:23695)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil$1.run(ProtobufUtil.java:1993)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil$1.run(ProtobufUtil.java:1990)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1719)
> ... 7 more
> Caused by:
> org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.exceptions.RegionOpeningException):
> org.apache.hadoop.hbase.exceptions.RegionOpeningException: Region
> IntegrationTestBigLinkedList,|\xFFnk\x1C\x85<[\x1Ef\xFDE\xF9\xAA\xAC\x08,1485846598043.f56ad22121e872777468020c4452a7c7.
> is opening on node-2.cluster,16020,1485822382322
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2964)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:1139)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.mergeRegions(RSRpcServices.java:1497)
> at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:22749)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2355)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:188)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:168)
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1286)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:231)
> ... 14 more
> {noformat}
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