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From "puneetdabulya@gmail.com" <puneetdabu...@gmail.com>
Subject Re: EndOfStreamException: Unable to read additional data from client
Date Wed, 17 Jul 2013 01:44:04 GMT
On followup note. if I can hbase.zookeeper.property.maxClientCnxns to default
value (I was using 1000), it start getting following exceptions in hadoop
logs:

2013-07-16 21:38:28,584 INFO
org.apache.hadoop.hbase.mapreduce.TableRecordReader: recovered from
org.apache.hadoop.hbase.client.ScannerTimeoutException: 191864ms passed
since the last invocation, timeout is currently set to 60000
	at
org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:283)
	at
org.apache.hadoop.hbase.mapreduce.TableRecordReaderImpl.nextKeyValue(TableRecordReaderImpl.java:190)
	at
org.apache.hadoop.hbase.mapreduce.TableRecordReader.nextKeyValue(TableRecordReader.java:135)
	at
com.ibm.viral.giraph.connectedcomponent.ConnectedComponentsInputFormat$GiraphTwitterHBaseVertexReader.nextVertex(ConnectedComponentsInputFormat.java:46)
	at
org.apache.giraph.io.internal.WrappedVertexReader.nextVertex(WrappedVertexReader.java:82)
	at
org.apache.giraph.worker.VertexInputSplitsCallable.readInputSplit(VertexInputSplitsCallable.java:147)
	at
org.apache.giraph.worker.InputSplitsCallable.loadInputSplit(InputSplitsCallable.java:267)
	at
org.apache.giraph.worker.InputSplitsCallable.call(InputSplitsCallable.java:211)
	at
org.apache.giraph.worker.InputSplitsCallable.call(InputSplitsCallable.java:60)
	at
org.apache.giraph.utils.LogStacktraceCallable.call(LogStacktraceCallable.java:51)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Caused by: org.apache.hadoop.hbase.UnknownScannerException:
org.apache.hadoop.hbase.UnknownScannerException: Name: -4371449348530597226
	at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2595)
	at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at
org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
	at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
	at
org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:96)
	at
org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:143)
	at
org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:42)
	at
org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:164)
	at
org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:274)
	... 14 more


This happens when at the same time, when zookeeper logs prints (I am tailing
in parallel):
EndOfStreamException: Unable to read additional data from client sessionid
0x13fea3a1e540030, likely client has closed socket
	at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:220)
	at
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
	at java.lang.Thread.run(Thread.java:662)
2013-07-16 21:36:27,613 INFO org.apache.zookeeper.server.NIOServerCnxn:
Closed socket connection for client /9.12.206.55:37226 which had sessionid
0x13fea3a1e540030





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