Re: Call to namenode fails with java.io.EOFException

2011-05-13 Thread Sidney Simmons
All nodes are in sync configuration wise. We have a few cluster scripts that ensure this is the case. On 13 May 2011 06:55, Harsh J ha...@cloudera.com wrote: One of the reasons I can think of could be a version mismatch. You may want to ensure that the job in question was not carrying a

Call to namenode fails with java.io.EOFException

2011-05-12 Thread Sidney Simmons
Hi there, I'm experiencing some unusual behaviour on our 0.20.2 hadoop cluster. Randomly (periodically), we're getting Call to namenode failures on tasktrackers causing tasks to fail: 2011-05-12 14:36:37,462 WARN org.apache.hadoop.mapred.TaskRunner: attempt_201105090819_059_m_0038_0Child Error

Re: Call to namenode fails with java.io.EOFException

2011-05-12 Thread Harsh J
One of the reasons I can think of could be a version mismatch. You may want to ensure that the job in question was not carrying a separate version of Hadoop along with it inside, perhaps? On Fri, May 13, 2011 at 12:42 AM, Sidney Simmons ssimm...@nmitconsulting.co.uk wrote: Hi there, I'm