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From Caetano Sauer <caetanosa...@gmail.com>
Subject Re: Job does not run with EOFException
Date Tue, 28 Aug 2012 13:53:20 GMT
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
>

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