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 <[email protected]> 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 <[email protected]> wrote: >> >> Are you sure you're reaching the right port for your JobTrcker? >> >> On Tue, Aug 28, 2012 at 7:15 PM, Caetano Sauer <[email protected]> >> 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 > >
