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Date: Wed, 29 Aug 2012 13:38:30 +0530
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Subject: Re: Job does not run with EOFException
From: Hemanth Yamijala <yhemanth@gmail.com>
To: user@hadoop.apache.org
Content-Type: text/plain; charset=ISO-8859-1

Are you able to browse the web UI for the jobtracker. If not
configured separately, it should be at hostname:50030 ? It would also
help if you can telnet to the jobtracker server port and see if it is
able to connect.

Thanks
hemanth

On Tue, Aug 28, 2012 at 7:23 PM, Caetano Sauer <caetanosauer@gmail.com> wrote:
> The host on top of the stack trace contains the host and port I defined on
> mapred.job.tracker in mapred-site.xml
>
> Other than that, I don't know how to verify what you asked me. Any tips?
>
>
> On Tue, Aug 28, 2012 at 3:47 PM, Harsh J <harsh@cloudera.com> wrote:
>>
>> Are you sure you're reaching the right port for your JobTrcker?
>>
>> On Tue, Aug 28, 2012 at 7:15 PM, Caetano Sauer <caetanosauer@gmail.com>
>> wrote:
>> > Hello,
>> >
>> > I am getting the following error when trying to execute a hadoop job on
>> > a
>> > 5-node cluster:
>> >
>> > Caused by: java.io.IOException: Call to *** 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$Invoker.invoke(RPC.java:225)
>> > at org.apache.hadoop.mapred.$Proxy2.submitJob(Unknown Source)
>> > at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:921)
>> > at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
>> > at java.security.AccessController.doPrivileged(Native Method)
>> > at javax.security.auth.Subject.doAs(Subject.java:396)
>> > at
>> >
>> > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1093)
>> > at
>> > org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
>> > at org.apache.hadoop.mapreduce.Job.submit(Job.java:500)
>> > at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530)
>> > ... 9 more
>> > Caused by: java.io.EOFException
>> > at java.io.DataInputStream.readInt(DataInputStream.java:375)
>> > at
>> > org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:800)
>> > at org.apache.hadoop.ipc.Client$Connection.run(Client.java:745)
>> >
>> > (My jobtracker host was substituted by ***)
>> >
>> > After 3 hours of searching, everything points to an incompatibility
>> > between
>> > the hadoop versions of the client and the server, but this is not the
>> > case,
>> > since I can run the job on a pseudo-distributed setup on a different
>> > machine. Both are running the exact same version (same svn revision and
>> > source checksum).
>> >
>> > Does anyone have a solution or a suggestion on how to find more debug
>> > information?
>> >
>> > Thank you in advance,
>> > Caetano Sauer
>>
>>
>>
>> --
>> Harsh J
>
>