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Posted to common-dev@hadoop.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2013/02/12 23:15:12 UTC

[jira] [Created] (HADOOP-9300) Streaming fails to set output key class when reducer is java class

Sandy Ryza created HADOOP-9300:
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             Summary: Streaming fails to set output key class when reducer is java class
                 Key: HADOOP-9300
                 URL: https://issues.apache.org/jira/browse/HADOOP-9300
             Project: Hadoop Common
          Issue Type: Bug
          Components: tools
    Affects Versions: 2.0.2-alpha
            Reporter: Sandy Ryza
            Assignee: Sandy Ryza


When a hadoop streaming job is run with a java class as the reducer, or no reducer specified (which defaults to IdentityReducer), the output key and value classes are not set.  This can cause a job to fail down the line.

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