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 >
