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From Batyrshin Alexander <0x62...@gmail.com>
Subject Re: ABORTING region server and following HBase cluster "crash"
Date Sun, 09 Sep 2018 01:38:58 GMT
After update we still can't recover HBase cluster. Our region servers ABORTING over and over:

prod003:
Sep 09 02:51:27 prod003 hbase[1440]: 2018-09-09 02:51:27,395 FATAL [RpcServer.default.FPBQ.Fifo.handler=92,queue=2,port=60020]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536446665703: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:51:27 prod003 hbase[1440]: 2018-09-09 02:51:27,395 FATAL [RpcServer.default.FPBQ.Fifo.handler=77,queue=7,port=60020]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536446665703: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:52:19 prod003 hbase[1440]: 2018-09-09 02:52:19,224 FATAL [RpcServer.default.FPBQ.Fifo.handler=82,queue=2,port=60020]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536446665703: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:52:28 prod003 hbase[1440]: 2018-09-09 02:52:28,922 FATAL [RpcServer.default.FPBQ.Fifo.handler=94,queue=4,port=60020]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536446665703: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:55:02 prod003 hbase[957]: 2018-09-09 02:55:02,096 FATAL [RpcServer.default.FPBQ.Fifo.handler=95,queue=5,port=60020]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536450772841: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:55:18 prod003 hbase[957]: 2018-09-09 02:55:18,793 FATAL [RpcServer.default.FPBQ.Fifo.handler=97,queue=7,port=60020]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536450772841: Could not
update the index table, killing server region because couldn't write to an index table

prod004:
Sep 09 02:52:13 prod004 hbase[4890]: 2018-09-09 02:52:13,541 FATAL [RpcServer.default.FPBQ.Fifo.handler=83,queue=3,port=60020]
regionserver.HRegionServer: ABORTING region server prod004,60020,1536446387325: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:52:50 prod004 hbase[4890]: 2018-09-09 02:52:50,264 FATAL [RpcServer.default.FPBQ.Fifo.handler=75,queue=5,port=60020]
regionserver.HRegionServer: ABORTING region server prod004,60020,1536446387325: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:53:40 prod004 hbase[4890]: 2018-09-09 02:53:40,709 FATAL [RpcServer.default.FPBQ.Fifo.handler=66,queue=6,port=60020]
regionserver.HRegionServer: ABORTING region server prod004,60020,1536446387325: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:54:00 prod004 hbase[4890]: 2018-09-09 02:54:00,060 FATAL [RpcServer.default.FPBQ.Fifo.handler=89,queue=9,port=60020]
regionserver.HRegionServer: ABORTING region server prod004,60020,1536446387325: Could not
update the index table, killing server region because couldn't write to an index table

prod005:
Sep 09 02:52:50 prod005 hbase[3772]: 2018-09-09 02:52:50,661 FATAL [RpcServer.default.FPBQ.Fifo.handler=65,queue=5,port=60020]
regionserver.HRegionServer: ABORTING region server prod005,60020,1536446400009: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:53:27 prod005 hbase[3772]: 2018-09-09 02:53:27,542 FATAL [RpcServer.default.FPBQ.Fifo.handler=90,queue=0,port=60020]
regionserver.HRegionServer: ABORTING region server prod005,60020,1536446400009: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:54:00 prod005 hbase[3772]: 2018-09-09 02:53:59,915 FATAL [RpcServer.default.FPBQ.Fifo.handler=7,queue=7,port=60020]
regionserver.HRegionServer: ABORTING region server prod005,60020,1536446400009: Could not
update the index table, killing server region because couldn't write to an index table
Sep 09 02:54:30 prod005 hbase[3772]: 2018-09-09 02:54:30,058 FATAL [RpcServer.default.FPBQ.Fifo.handler=16,queue=6,port=60020]
regionserver.HRegionServer: ABORTING region server prod005,60020,1536446400009: Could not
update the index table, killing server region because couldn't write to an index table

And so on...

Trace is the same everywhere:

Sep 09 02:54:30 prod005 hbase[3772]: org.apache.phoenix.hbase.index.exception.MultiIndexWriteFailureException:
 disableIndexOnFailure=true, Failed to write to multiple index tables: [KM_IDX1, KM_IDX2,
KM_HISTORY_IDX1, KM_HISTORY_IDX2, KM_HISTORY_IDX3]
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.write.TrackingParallelWriterIndexCommitter.write(TrackingParallelWriterIndexCommitter.java:235)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.write.IndexWriter.write(IndexWriter.java:195)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.write.IndexWriter.writeAndKillYourselfOnFailure(IndexWriter.java:156)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.write.IndexWriter.writeAndKillYourselfOnFailure(IndexWriter.java:145)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.Indexer.doPostWithExceptions(Indexer.java:620)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.Indexer.doPost(Indexer.java:595)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.hbase.index.Indexer.postBatchMutateIndispensably(Indexer.java:578)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$37.call(RegionCoprocessorHost.java:1048)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionOperation.call(RegionCoprocessorHost.java:1711)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1789)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1745)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postBatchMutateIndispensably(RegionCoprocessorHost.java:1044)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3646)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3108)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3050)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.commitBatch(UngroupedAggregateRegionObserver.java:271)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.commitBatchWithRetries(UngroupedAggregateRegionObserver.java:241)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.rebuildIndices(UngroupedAggregateRegionObserver.java:1068)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.doPostScannerOpen(UngroupedAggregateRegionObserver.java:386)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:239)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.nextRaw(BaseScannerRegionObserver.java:287)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2843)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3080)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:36613)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2354)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:297)
Sep 09 02:54:30 prod005 hbase[3772]:         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:277)

> On 9 Sep 2018, at 01:44, Batyrshin Alexander <0x62ash@gmail.com> wrote:
> 
> Thank you.
> We're updating our cluster right now...
> 
> 
>> On 9 Sep 2018, at 01:39, Ted Yu <yuzhihong@gmail.com <mailto:yuzhihong@gmail.com>>
wrote:
>> 
>> It seems you should deploy hbase with the following fix:
>> 
>> HBASE-21069 NPE in StoreScanner.updateReaders causes RS to crash
>> 
>> 1.4.7 was recently released.
>> 
>> FYI
>> 
>> On Sat, Sep 8, 2018 at 3:32 PM Batyrshin Alexander <0x62ash@gmail.com <mailto:0x62ash@gmail.com>>
wrote:
>>  Hello,
>> 
>> We got this exception from prod006 server
>> 
>> Sep 09 00:38:02 prod006 hbase[18907]: 2018-09-09 00:38:02,532 FATAL [MemStoreFlusher.1]
regionserver.HRegionServer: ABORTING region server prod006,60020,1536235102833: Replay of
WAL required. Forcing server shutdown
>> Sep 09 00:38:02 prod006 hbase[18907]: org.apache.hadoop.hbase.DroppedSnapshotException:
region: KM,c\xEF\xBF\xBD\x16I7\xEF\xBF\xBD\x0A"A\xEF\xBF\xBDd\xEF\xBF\xBD\xEF\xBF\xBD\x19\x07t,1536178245576.60c121ba50e67f2429b9ca2ba2a11bad.
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:2645)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2322)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2284)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:2170)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HRegion.flush(HRegion.java:2095)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:508)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:478)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.access$900(MemStoreFlusher.java:76)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.MemStoreFlusher$FlushHandler.run(MemStoreFlusher.java:264)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at java.lang.Thread.run(Thread.java:748)
>> Sep 09 00:38:02 prod006 hbase[18907]: Caused by: java.lang.NullPointerException
>> Sep 09 00:38:02 prod006 hbase[18907]:         at java.util.ArrayList.<init>(ArrayList.java:178)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.StoreScanner.updateReaders(StoreScanner.java:863)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HStore.notifyChangedReadersObservers(HStore.java:1172)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HStore.updateStorefiles(HStore.java:1145)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HStore.access$900(HStore.java:122)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.commit(HStore.java:2505)
>> Sep 09 00:38:02 prod006 hbase[18907]:         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:2600)
>> Sep 09 00:38:02 prod006 hbase[18907]:         ... 9 more
>> Sep 09 00:38:02 prod006 hbase[18907]: 2018-09-09 00:38:02,532 FATAL [MemStoreFlusher.1]
regionserver.HRegionServer: RegionServer abort: loaded coprocessors are: [org.apache.hadoop.hbase.regionserver.IndexHalfStoreFileReaderGenerator,
org.apache.phoenix.coprocessor.SequenceRegionObserver, org.apache.phoenix.c
>> 
>> After that we got ABORTING on almost every Region Servers in cluster with different
reasons:
>> 
>> prod003
>> Sep 09 01:12:11 prod003 hbase[11552]: 2018-09-09 01:12:11,799 FATAL [PostOpenDeployTasks:88bfac1dfd807c4cd1e9c1f31b4f053f]
regionserver.HRegionServer: ABORTING region server prod003,60020,1536444066291: Exception
running postOpenDeployTasks; region=88bfac1dfd807c4cd1e9c1f31b4f053f
>> Sep 09 01:12:11 prod003 hbase[11552]: java.io.InterruptedIOException: #139, interrupted.
currentNumberOfTask=8
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.AsyncProcess.waitForMaximumCurrentTasks(AsyncProcess.java:1853)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.AsyncProcess.waitForMaximumCurrentTasks(AsyncProcess.java:1823)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.AsyncProcess.waitForAllPreviousOpsAndReset(AsyncProcess.java:1899)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.BufferedMutatorImpl.backgroundFlushCommits(BufferedMutatorImpl.java:250)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.BufferedMutatorImpl.flush(BufferedMutatorImpl.java:213)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1484)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.client.HTable.put(HTable.java:1031)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.MetaTableAccessor.put(MetaTableAccessor.java:1033)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.MetaTableAccessor.putToMetaTable(MetaTableAccessor.java:1023)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.MetaTableAccessor.updateLocation(MetaTableAccessor.java:1433)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.MetaTableAccessor.updateRegionLocation(MetaTableAccessor.java:1400)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.regionserver.HRegionServer.postOpenDeployTasks(HRegionServer.java:2041)
>> Sep 09 01:12:11 prod003 hbase[11552]:         at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler$PostOpenDeployTasksThread.run(OpenRegionHandler.java:329)
>> 
>> prod002
>> Sep 09 01:12:30 prod002 hbase[29056]: 2018-09-09 01:12:30,144 FATAL [RpcServer.default.FPBQ.Fifo.handler=36,queue=6,port=60020]
regionserver.HRegionServer: ABORTING region server prod002,60020,1536235138673: Could not
update the index table, killing server region because couldn't write to an index table
>> Sep 09 01:12:30 prod002 hbase[29056]: org.apache.phoenix.hbase.index.exception.MultiIndexWriteFailureException:
 disableIndexOnFailure=true, Failed to write to multiple index tables: [KM_IDX1, KM_IDX2,
KM_HISTORY1, KM_HISTORY2, 
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.write.TrackingParallelWriterIndexCommitter.write(TrackingParallelWriterIndexCommitter.java:235)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.write.IndexWriter.write(IndexWriter.java:195)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.write.IndexWriter.writeAndKillYourselfOnFailure(IndexWriter.java:156)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.write.IndexWriter.writeAndKillYourselfOnFailure(IndexWriter.java:145)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.Indexer.doPostWithExceptions(Indexer.java:620)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.Indexer.doPost(Indexer.java:595)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.hbase.index.Indexer.postBatchMutateIndispensably(Indexer.java:578)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$37.call(RegionCoprocessorHost.java:1048)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionOperation.call(RegionCoprocessorHost.java:1711)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1789)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1745)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postBatchMutateIndispensably(RegionCoprocessorHost.java:1044)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3646)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3108)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3050)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.commitBatch(UngroupedAggregateRegionObserver.java:271)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.access$000(UngroupedAggregateRegionObserver.java:164)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver$1.doMutation(UngroupedAggregateRegionObserver.java:246)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.index.PhoenixIndexFailurePolicy.doBatchWithRetries(PhoenixIndexFailurePolicy.java:455)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.handleIndexWriteException(UngroupedAggregateRegionObserver.java:929)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.commitBatchWithRetries(UngroupedAggregateRegionObserver.java:243)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.rebuildIndices(UngroupedAggregateRegionObserver.java:1077)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.doPostScannerOpen(UngroupedAggregateRegionObserver.java:386)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:239)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.nextRaw(BaseScannerRegionObserver.java:287)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2843)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3080)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:36613)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2354)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:297)
>> Sep 09 01:12:30 prod002 hbase[29056]:         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:277)
>> 
>> 
>> And etc...
>> 
>> Master-status web interface shows that contact lost from this aborted servers. 
> 


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