Nick Dimiduk created HBASE-13891: ------------------------------------ Summary: AM should handle RegionServerStoppedException during assignment Key: HBASE-13891 URL: https://issues.apache.org/jira/browse/HBASE-13891 Project: HBase Issue Type: Bug Components: master, Region Assignment Affects Versions: 1.1.0.1 Reporter: Nick Dimiduk
I noticed the following in the master logs {noformat} 2015-06-11 11:04:55,278 WARN [AM.ZK.Worker-pool2-t337] master.AssignmentManager: Failed assignment of SYSTEM.SEQUENCE,\x8E\x00\x00\x00,1434010321127.d2be67cf43d6bd600c7f461701ca908f. to ip-172-31-32-232.ec2.internal,16020,1434020633773, trying to assign elsewhere instead; try=1 of 10 org.apache.hadoop.hbase.regionserver.RegionServerStoppedException: org.apache.hadoop.hbase.regionserver.RegionServerStoppedException: Server ip-172-31-32-232.ec2.internal,16020,1434020633773 not running, aborting at org.apache.hadoop.hbase.regionserver.RSRpcServices.checkOpen(RSRpcServices.java:980) at org.apache.hadoop.hbase.regionserver.RSRpcServices.openRegion(RSRpcServices.java:1382) at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:22117) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2112) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:101) at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130) at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107) at java.lang.Thread.run(Thread.java:745) at sun.reflect.GeneratedConstructorAccessor26.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106) at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95) at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:322) at org.apache.hadoop.hbase.master.ServerManager.sendRegionOpen(ServerManager.java:752) at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:2136) at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1590) at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1568) at org.apache.hadoop.hbase.master.handler.ClosedRegionHandler.process(ClosedRegionHandler.java:106) at org.apache.hadoop.hbase.master.AssignmentManager.handleRegion(AssignmentManager.java:1063) at org.apache.hadoop.hbase.master.AssignmentManager$6.run(AssignmentManager.java:1511) at org.apache.hadoop.hbase.master.AssignmentManager$3.run(AssignmentManager.java:1295) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.regionserver.RegionServerStoppedException): org.apache.hadoop.hbase.regionserver.RegionServerStoppedException: Server ip-172-31-32-232.ec2.internal,16020,1434020633773 not running, aborting at org.apache.hadoop.hbase.regionserver.RSRpcServices.checkOpen(RSRpcServices.java:980) at org.apache.hadoop.hbase.regionserver.RSRpcServices.openRegion(RSRpcServices.java:1382) at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:22117) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2112) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:101) at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130) at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107) at java.lang.Thread.run(Thread.java:745) at org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1206) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:213) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:287) at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$BlockingStub.openRegion(AdminProtos.java:23003) at org.apache.hadoop.hbase.master.ServerManager.sendRegionOpen(ServerManager.java:749) ... 12 more ... 2015-06-11 11:04:55,289 INFO [AM.ZK.Worker-pool2-t337] master.AssignmentManager: Assigning SYSTEM.SEQUENCE,\x8E\x00\x00\x00,1434010321127.d2be67cf43d6bd600c7f461701ca908f. to ip-172-31-32-232.ec2.internal,16020,1434020633773 ... 2015-06-11 11:04:55,317 WARN [AM.ZK.Worker-pool2-t337] master.AssignmentManager: Failed assignment of SYSTEM.SEQUENCE,\x8E\x00\x00\x00,1434010321127.d2be67cf43d6bd600c7f461701ca908f. to ip-172-31-32-232.ec2.internal,16020,1434020633773, trying to assign elsewhere instead; try=2 of 10 <same long stack redacted> ... 2015-06-11 11:04:55,332 INFO [AM.ZK.Worker-pool2-t337] master.AssignmentManager: Assigning SYSTEM.SEQUENCE,\x8E\x00\x00\x00,1434010321127.d2be67cf43d6bd600c7f461701ca908f. to ip-172-31-32-232.ec2.internal,16020,1434020633773 {noformat} This is repeated over and over as the AM spams the same region to the same server. Probably the {{RegionServerStoppedException}} should be detected and the destination of the plan be added to the dead server list. -- This message was sent by Atlassian JIRA (v6.3.4#6332)