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Date: Thu, 07 Aug 2014 23:46:56 +0300
From: xeniad20 <xeniad20@gmail.com>
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To: user@giraph.apache.org
Subject: giraph 1.1.0 Execution Error
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Hi experts,

I try to execute Giraph 1.1.0 on a small cluster but I have the 
following Errors:

2014-08-07 23:35:46,141 INFO org.apache.zookeeper.ClientCnxn: Opening 
socket connection to server DataNode2/10.190.12.33:22181. Will not 
attempt to authenticate using SASL (unknown error)
2014-08-07 23:35:46,142 WARN org.apache.zookeeper.ClientCnxn: Session 
0x147b22ebf420001 for server null, unexpected error, closing socket 
connection and attempting reconnect
java.net.ConnectException: Connection refused
     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
     at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
2014-08-07 23:35:46,243 WARN org.apache.giraph.zk.ZooKeeperExt: 
deleteExt: Connection loss on attempt 2, waiting 5000 msecs before retrying.
org.apache.zookeeper.KeeperException$ConnectionLossException: 
KeeperErrorCode = ConnectionLoss for 
/_hadoopBsp/job_201408072332_0003/_applicationAttemptsDir/0/_superstepDir/1/_workerHealthyDir/datanode1_1
     at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
     at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873)
     at org.apache.giraph.zk.ZooKeeperExt.deleteExt(ZooKeeperExt.java:302)
     at 
org.apache.giraph.worker.BspServiceWorker.unregisterHealth(BspServiceWorker.java:768)
     at 
org.apache.giraph.worker.BspServiceWorker.failureCleanup(BspServiceWorker.java:782)
     at 
org.apache.giraph.graph.GraphTaskManager.workerFailureCleanup(GraphTaskManager.java:900)
     at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:100)
     at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)
     at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
     at java.security.AccessController.doPrivileged(Native Method)
     at javax.security.auth.Subject.doAs(Subject.java:415)
     at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
     at org.apache.hadoop.mapred.Child.main(Child.java:249)
2014-08-07 23:35:48,126 INFO org.apache.zookeeper.ClientCnxn: Opening 
socket connection to server DataNode2/10.190.12.33:22181. Will not 
attempt to authenticate using SASL (unknown error)
2014-08-07 23:35:48,127 WARN org.apache.zookeeper.ClientCnxn: Session 
0x147b22ebf420001 for server null, unexpected error, closing socket 
connection and attempting reconnect
java.net.ConnectException: Connection refused
     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
     at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
2014-08-07 23:35:49,368 FATAL org.apache.giraph.graph.GraphMapper: 
uncaughtException: OverrideExceptionHandler on thread Thread-12, msg = 
createExt: Failed to create 
/_hadoopBsp/job_201408072332_0003/_workerProgresses/1 after 3 tries!, 
exiting...
java.lang.IllegalStateException: createExt: Failed to create 
/_hadoopBsp/job_201408072332_0003/_workerProgresses/1 after 3 tries!
     at org.apache.giraph.zk.ZooKeeperExt.createExt(ZooKeeperExt.java:182)
     at 
org.apache.giraph.zk.ZooKeeperExt.createOrSetExt(ZooKeeperExt.java:247)
     at 
org.apache.giraph.worker.WorkerProgress.writeToZnode(WorkerProgress.java:110)
     at 
org.apache.giraph.worker.WorkerProgressWriter$1.run(WorkerProgressWriter.java:59)
     at java.lang.Thread.run(Thread.java:724)

However Giraph 1.0.0 version run without any problems.
What might be the solution for the above errors?

Any help is appreciated.

Thanks
Xenia