[ https://issues.apache.org/jira/browse/MAPREDUCE-3241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140293#comment-13140293 ] 

Amar Kamat commented on MAPREDUCE-3241:
---------------------------------------

bq. Need in branch-0.23 too?
Already committed to branch 0.23.
                
> (Rumen)TraceBuilder throws IllegalArgumentException
> ---------------------------------------------------
>
>                 Key: MAPREDUCE-3241
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3241
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.24.0
>            Reporter: Devaraj K
>            Assignee: Amar Kamat
>             Fix For: 0.24.0
>
>         Attachments: mapreduce-3241-v1.1.patch
>
>
> When we run the TraceBuilder, we get this exception. Output of the TraceBuilder doesn't contain the map and reduce task information.
> {code}
> 2011-10-21 22:07:17,268 WARN  rumen.TraceBuilder (TraceBuilder.java:run(272)) - TraceBuilder got an error while processing the [possibly virtual] file job_1319214405771_0002-1319214846458-root-word+count-1319214871038-1-1-SUCCEEDED.jhist within Path hdfs://10.18.52.57:9000/user/root/null/history/done_intermediate/root/job_1319214405771_0002-1319214846458-root-word+count-1319214871038-1-1-SUCCEEDED.jhist
> java.lang.IllegalArgumentException: JobBuilder.process(HistoryEvent): unknown event type
>         at org.apache.hadoop.tools.rumen.JobBuilder.process(JobBuilder.java:165)
>         at org.apache.hadoop.tools.rumen.TraceBuilder.processJobHistory(TraceBuilder.java:304)
>         at org.apache.hadoop.tools.rumen.TraceBuilder.run(TraceBuilder.java:258)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:83)
>         at org.apache.hadoop.tools.rumen.TraceBuilder.main(TraceBuilder.java:185)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:189)
> {code}

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