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From "Alex Rovner (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-2194) Local mode seems to be broken in Cloudera's 737 release
Date Fri, 19 Nov 2010 16:41:14 GMT
Local mode seems to be broken in Cloudera's 737 release

                 Key: MAPREDUCE-2194
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2194
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 0.20.2
            Reporter: Alex Rovner

We have upgraded our dev environment from Cloudera's 0.20.2-228-cloudera to 0.20.2-737-cloudera

Version 228 worked great for us. In version 737 we are getting the following exception:

(LocalJobRunner.java:295) - job_local_0005
java.lang.ClassCastException: org.apache.hadoop.mapreduce.lib.input.FileSplit cannot be cast
to org.apache.hadoop.mapred.InputSplit
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:357)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:317)
	at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:212)

We have tried to set job.getConfiguration().setBoolean("mapred.reducer.new-api", true) but
that did not resolve the issue.

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