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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Problem initializing pipes in HamaStreaming
Date Thu, 26 Sep 2013 16:05:08 GMT
Hi,

That's strange. Can you attach your namenode logs and hadoop configurations?

On Thu, Sep 26, 2013 at 11:03 PM, Roman Shapovalov
<shapovalov@graphics.cs.msu.su> wrote:
> Hi again,
>
> I have updated both Hama (from the trunk) and Streaming (from Martin's
> github), and checked that patches have been applied, but I keep
> getting the same error (full log for local configuration is attached).
>
> Another thing may be relevant: I keep the default Hadoop libraries in
> lib/. If I replace them as the tutorial says, some classes cannot be
> found even if  I run pure Hama (which works perfectly with default
> libs). I don't know if it is important.
>
> Thanks,
> Roman
>
> On Tue, Sep 24, 2013 at 9:22 AM, Martin Illecker <millecker@apache.org> wrote:
>> Hi Roman,
>>
>> sorry for inconvenience!
>> The problem has been reported [1] and will be fixed shortly to the trunk.
>>
>> [1] https://issues.apache.org/jira/browse/HAMA-805
>>
>>
>> 2013/9/23 Edward J. Yoon <edwardyoon@apache.org>
>>
>>> This looks like a bug of DistCacheUtils.
>>>
>>> Thanks for your report. I'll look at it tomorrow.
>>>
>>> On Mon, Sep 23, 2013 at 11:52 PM, Roman Shapovalov
>>> <shapovalov@graphics.cs.msu.su> wrote:
>>> > Hello all,
>>> >
>>> > I try to use Hama Streaming.
>>> > I have successfully installed Hama (the Pi example works).
>>> > I follow this tutorial:
>>> > http://wiki.apache.org/hama/HamaStreaming
>>> >
>>> > When I try to run the distributed HelloWorld in the local
>>> > configuration, I get the following error:
>>> >
>>> > $ bin/hama pipes -streaming true -bspTasks 3 -interpreter python3.2
>>> > -cachefiles /tmp/PyStreaming/*.py -output /tmp/pystream-out/ -program
>>> > /tmp/PyStreaming/BSPRunner.py -programArgs HelloWorldBSP
>>> >
>>> > 13/09/23 18:03:50 INFO pipes.Submitter: Streaming enabled!
>>> > 13/09/23 18:03:50 WARN util.NativeCodeLoader: Unable to load
>>> > native-hadoop library for your platform... using builtin-java classes
>>> > where applicable
>>> > 13/09/23 18:03:50 WARN bsp.BSPJobClient: No job jar file set.  User
>>> > classes may not be found. See BSPJob#setJar(String) or check Your jar
>>> > file.
>>> > 13/09/23 18:03:50 INFO bsp.BSPJobClient: Running job:
>>> job_localrunner_0001
>>> > 13/09/23 18:03:50 INFO bsp.LocalBSPRunner: Setting up a new barrier for
>>> 3 tasks!
>>> > 13/09/23 18:03:50 ERROR bsp.LocalBSPRunner: Exception during BSP
>>> execution!
>>> > java.lang.NullPointerException
>>> >     at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:44)
>>> >     at
>>> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:255)
>>> >     at
>>> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286)
>>> >     at
>>> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211)
>>> >     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>>> >     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>>> >     at
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>>> >     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>>> >     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>>> >     at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>> >     at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>> >     at java.lang.Thread.run(Thread.java:662)
>>> > [output cropped]
>>> >
>>> > When I turn to the pseudo-distributed mode, job fails too (after a
>>> > minute of execution):
>>> >
>>> > 13/09/23 18:46:34 INFO pipes.Submitter: Streaming enabled!
>>> > 13/09/23 18:46:34 WARN util.NativeCodeLoader: Unable to load
>>> > native-hadoop library for your platform... using builtin-java classes
>>> > where applicable
>>> > 13/09/23 18:46:34 WARN bsp.BSPJobClient: No job jar file set.  User
>>> > classes may not be found. See BSPJob#setJar(String) or check Your jar
>>> > file.
>>> > 13/09/23 18:46:34 INFO bsp.BSPJobClient: Running job:
>>> job_201309231846_0001
>>> > 13/09/23 18:47:40 INFO bsp.BSPJobClient: Job failed.
>>> >
>>> > Task log contains errors:
>>> >
>>> > 13/09/23 18:46:37 INFO ipc.Server: Starting Socket Reader #1 for port
>>> 43475
>>> > 13/09/23 18:46:37 INFO ipc.Server: IPC Server Responder: starting
>>> > 13/09/23 18:46:37 INFO ipc.Server: IPC Server listener on 43475: starting
>>> > 13/09/23 18:46:37 INFO message.HadoopMessageManagerImpl:  BSPPeer
>>> > address:localhost.localdomain port:43475
>>> > 13/09/23 18:46:37 INFO ipc.Server: IPC Server handler 0 on 43475:
>>> starting
>>> > 13/09/23 18:46:37 WARN util.NativeCodeLoader: Unable to load
>>> > native-hadoop library for your platform... using builtin-java classes
>>> > where applicable
>>> > 13/09/23 18:46:37 INFO sync.ZKSyncClient: Initializing ZK Sync Client
>>> > 13/09/23 18:46:37 INFO sync.ZooKeeperSyncClientImpl: Start connecting
>>> > to Zookeeper! At localhost.localdomain/127.0.0.1:43475
>>> > 13/09/23 18:46:37 ERROR bsp.BSPTask: Error running bsp setup and bsp
>>> function.
>>> > java.lang.NullPointerException
>>> >     at java.io.File.<init>(File.java:222)
>>> >     at
>>> org.apache.hama.pipes.PipesApplication.setupCommand(PipesApplication.java:130)
>>> >     at
>>> org.apache.hama.pipes.PipesApplication.start(PipesApplication.java:257)
>>> >     at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:44)
>>> >     at org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:176)
>>> >     at org.apache.hama.bsp.BSPTask.run(BSPTask.java:146)
>>> >     at
>>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1246)
>>> > [output cropped]
>>> >
>>> > I use the latest trunk version of Hama, Python 3.2.5 and Hadoop
>>> 2.0.0-cdh4.1.1.
>>> >
>>> > Please help me to figure out the problem.
>>> >
>>> > Thanks in advance,
>>> > Roman
>>>
>>>
>>>
>>> --
>>> Best Regards, Edward J. Yoon
>>> @eddieyoon
>>>



-- 
Best Regards, Edward J. Yoon
@eddieyoon

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