Are you using hadoop-0.21.0 (may be unstable relaease) ? Using 0.20.204 or 0.22 would be better.
>> "WARN rumen.TraceBuilder: File skipped: Invalid file name: job_201109221644_0001_<username>" This means : Rumen is assuming that the jobhistory file name format to be something else --- may be without "_username" or something else. Please see extractJobID() in TraceBuilder.java to get more details of what it is expecting. Thanks & Regards, -Ravi On 9/29/11 Thursday 10:57 AM, "starjoy0530" <starnsysu0...@gmail.com> wrote: hello! I am also a new hadoop user. And I meet the same problem with you. I don't know how to solve the invalid file name of rumen. my error is said "WARN rumen.TraceBuilder: File skipped: Invalid file name: job_201109221644_0001_<username>" If you have resolved your problem, can you help me? :) my email: chick0...@gmail.com -- View this message in context: http://lucene.472066.n3.nabble.com/Problems-with-Rumen-in-Hadoop-0-21-0-tp3068332p3378352.html Sent from the Hadoop lucene-users mailing list archive at Nabble.com.