> > 2011-05-12 13:52:04,147 WARN > org.apache.hadoop.mapreduce.util.ProcessTree: > > Error executing shell command > > org.apache.hadoop.util.Shell$ExitCodeException: kill -12545: No such > process > > Your logs showed that Hadoop tried to kill processes but the kill > command claimed they didn't exist. The next time you see this problem, > can you check the logs and see if any of the PIDs that appear in the > logs are in fact still running? > > A more likely scenario is that Hadoop's tracking of child VMs is > getting out of sync, but I'm not sure what would cause that. > > Yes those java processes are in fact running. And those error messages do not always show up. Just sometimes. But the processes never get cleaned up.
-Adi
