Hi Folks... When i am running one algorithm on single system cluster with 1 worker,it is working fine...But when i increased the no of worker >1,following error is thrown at run time..
*ERROR org.apache.giraph.master.BspServiceMaster: superstepChosenWorkerAlive: Missing chosen worker Worker(hostname=kanha-Vostro-1014, MRtaskID=2, port=30002) on superstep 172014-01-20 12:27:36,451 INFO org.apache.giraph.master.MasterThread: masterThread: Coordination of superstep 17 took 1414.576 seconds ended with state WORKER_FAILURE and is now on superstep 172014-01-20 12:28:02,723 ERROR org.apache.giraph.master.MasterThread: masterThread: Master algorithm failed with ArrayIndexOutOfBoundsExceptionjava.lang.ArrayIndexOutOfBoundsException: -1* at org.apache.giraph.master.BspServiceMaster.getLastGoodCheckpoint(BspServiceMaster.java:1276) at org.apache.giraph.master.MasterThread.run(MasterThread.java:139) 2014-01-20 12:28:06,059 FATAL org.apache.giraph.graph.GraphMapper: uncaughtException: OverrideExceptionHandler on thread org.apache.giraph.master.MasterThread, msg = java.lang.ArrayIndexOutOfBoundsException: -1, exiting... java.lang.IllegalStateException: java.lang.ArrayIndexOutOfBoundsException: -1 at org.apache.giraph.master.MasterThread.run(MasterThread.java:185) Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 at org.apache.giraph.master.BspServiceMaster.getLastGoodCheckpoint(BspServiceMaster.java:1276) at org.apache.giraph.master.MasterThread.run(MasterThread.java:139) 2014-01-20 12:28:36,993 INFO org.apache.giraph.zk.ZooKeeperManager: run: Shutdown hook started. 2014-01-20 12:28:36,993 WARN org.apache.giraph.zk.ZooKeeperManager: onlineZooKeeperServers: Forced a shutdown hook kill of the ZooKeeper process. 2014-01-20 12:29:08,015 INFO org.apache.giraph.zk.ZooKeeperManager: onlineZooKeeperServers: ZooKeeper process exited with 143 (note that 143 typically means killed). Any ideas?? Thanks.. Jyoti