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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Why my distributed mode does not work?
Date Tue, 16 Apr 2013 14:13:36 GMT
I guess you need to increase the child processor JVM heap size.

- conf/hama-site.xml:

  <property>
    <name>bsp.child.java.opts</name>
    <value>-Xmx2048m</value>
  </property>

On Tue, Apr 16, 2013 at 10:55 PM, Lyu Xuedong <lxd.1990@gmail.com> wrote:
> My project can work well in eclipse, but when I export it as a jar file and
> submit it to a two-node hama cluster, some errors and fatal occur if the
> input file is over 64M.
> I suspect that my configure files of hadoop or hama is somewhere not right,
> but a pi estimator can run normally on my cluster and
> GroomServer$BSPPerChild can be seen on each nodes. I debug for a whole day,
> nothing improved.
> What in my input file are a large number of RDF triples: "<subject>
> <predicate> <object> ." My task is to create vertices for subjects and
> objects. Predicates are subjects' edges.
> What should I do ?
>
> Terminal output:
>
> 13/04/16 21:13:36 INFO bgp.HamaBgpComplete: Job begain.
> 13/04/16 21:13:37 INFO bsp.FileInputFormat: Total input paths to process : 2
> 13/04/16 21:13:38 INFO bsp.BSPJobClient: Running job: job_201304161357_0015
> 13/04/16 21:13:41 INFO bsp.BSPJobClient: Current supersteps number: 0
> 13/04/16 21:13:47 INFO bsp.BSPJobClient: Current supersteps number: 2
> 13/04/16 21:13:53 INFO bsp.BSPJobClient: Current supersteps number: 3
> 13/04/16 21:13:59 INFO bsp.BSPJobClient: Current supersteps number: 4
> 13/04/16 21:14:05 INFO bsp.BSPJobClient: Current supersteps number: 5
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO
> sync.ZKSyncClient: Initializing ZK Sync Client
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO
> sync.ZooKeeperSyncClientImpl: Start connecting to Zookeeper! At
> hadoop1/1.2.3.4:61002
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO ipc.Server:
> Starting SocketReader
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO ipc.Server: IPC
> Server Responder: starting
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO ipc.Server: IPC
> Server handler 0 on 61002: starting
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO
> message.HadoopMessageManagerImpl:  BSPPeer address:hadoop1 port:61002
> attempt_201304161357_0015_000000_0: 13/04/16 21:13:43 INFO ipc.Server: IPC
> Server listener on 61002: starting
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:03 ERROR bsp.BSPTask:
> Error running bsp setup and bsp function.
> attempt_201304161357_0015_000000_0: java.lang.NullPointerException
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 INFO ipc.Server:
> Stopping server on 61002
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 INFO ipc.Server: IPC
> Server handler 0 on 61002: exiting
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 INFO ipc.Server:
> Stopping IPC Server listener on 61002
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 INFO ipc.Server:
> Stopping IPC Server Responder
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 INFO
> metrics.RpcInstrumentation: shut down
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 ERROR bsp.BSPTask:
> Shutting down ping service.
> attempt_201304161357_0015_000000_0: 13/04/16 21:14:04 FATAL bsp.GroomServer:
> Error running child
> attempt_201304161357_0015_000000_0: java.lang.NullPointerException
> attempt_201304161357_0015_000000_0: java.lang.NullPointerException
> 13/04/16 21:15:11 INFO bsp.BSPJobClient: Job failed.
>
> tasklogs:
> attempt_201304161357_0015_000000_0.log
> 13/04/16 21:13:43 INFO sync.ZKSyncClient: Initializing ZK Sync Client
> 13/04/16 21:13:43 INFO sync.ZooKeeperSyncClientImpl: Start connecting to
> Zookeeper! At hadoop1/1.2.3.4:61002
> 13/04/16 21:13:43 INFO ipc.Server: Starting SocketReader
> 13/04/16 21:13:43 INFO ipc.Server: IPC Server Responder: starting
> 13/04/16 21:13:43 INFO ipc.Server: IPC Server handler 0 on 61002: starting
> 13/04/16 21:13:43 INFO message.HadoopMessageManagerImpl:  BSPPeer
> address:hadoop1 port:61002
> 13/04/16 21:13:43 INFO ipc.Server: IPC Server listener on 61002: starting
> 13/04/16 21:14:03 ERROR bsp.BSPTask: Error running bsp setup and bsp
> function.
> java.lang.NullPointerException
> 13/04/16 21:14:04 INFO ipc.Server: Stopping server on 61002
> 13/04/16 21:14:04 INFO ipc.Server: IPC Server handler 0 on 61002: exiting
> 13/04/16 21:14:04 INFO ipc.Server: Stopping IPC Server listener on 61002
> 13/04/16 21:14:04 INFO ipc.Server: Stopping IPC Server Responder
> 13/04/16 21:14:04 INFO metrics.RpcInstrumentation: shut down
> 13/04/16 21:14:04 ERROR bsp.BSPTask: Shutting down ping service.
> 13/04/16 21:14:04 FATAL bsp.GroomServer: Error running child
> java.lang.NullPointerException
> java.lang.NullPointerException
>
> attempt_201304161357_0015_000001_0.log
> 13/04/16 21:13:42 INFO sync.ZKSyncClient: Initializing ZK Sync Client
> 13/04/16 21:13:42 INFO sync.ZooKeeperSyncClientImpl: Start connecting to
> Zookeeper! At hadoop1/1.2.3.4:61001
> 13/04/16 21:13:42 ERROR sync.ZooKeeperSyncClientImpl:
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode =
> NoNode for /bsp/job_201304161357_0015/peers
> 13/04/16 21:13:42 INFO ipc.Server: Starting SocketReader
> 13/04/16 21:13:42 INFO ipc.Server: IPC Server Responder: starting
> 13/04/16 21:13:42 INFO message.HadoopMessageManagerImpl:  BSPPeer
> address:hadoop1 port:61001
> 13/04/16 21:13:42 INFO ipc.Server: IPC Server listener on 61001: starting
> 13/04/16 21:13:42 INFO ipc.Server: IPC Server handler 0 on 61001: starting
> 13/04/16 21:14:06 ERROR bsp.BSPPeerImpl: Error while sending messages
> java.io.IOException: Call to hadoop1/1.2.3.4:61002 failed on local
> exception: java.io.EOFException
>     at org.apache.hadoop.ipc.Client.wrapException(Client.java:1103)
>     at org.apache.hadoop.ipc.Client.call(Client.java:1071)
>     at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225)
>     at $Proxy3.put(Unknown Source)
>     at
> org.apache.hama.bsp.message.HadoopMessageManagerImpl.transfer(HadoopMessageManagerImpl.java:108)
>     at org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:410)
>     at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:118)
>     at org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:166)
>     at org.apache.hama.bsp.BSPTask.run(BSPTask.java:143)
>     at
> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1266)
> Caused by: java.io.EOFException
>     at java.io.DataInputStream.readInt(DataInputStream.java:375)
>     at
> org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:800)
>     at org.apache.hadoop.ipc.Client$Connection.run(Client.java:745)
>
>
>
>
>
>
>
>
>



-- 
Best Regards, Edward J. Yoon
@eddieyoon

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