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Posted to mapreduce-dev@hadoop.apache.org by "Robert Kanter (JIRA)" <ji...@apache.org> on 2012/07/31 18:27:34 UTC

[jira] [Created] (MAPREDUCE-4498) Downgrade hsqldb dependency to 1.8

Robert Kanter created MAPREDUCE-4498:
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             Summary: Downgrade hsqldb dependency to 1.8
                 Key: MAPREDUCE-4498
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4498
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: build, examples
    Affects Versions: 2.2.0-alpha
            Reporter: Robert Kanter
            Assignee: Robert Kanter
            Priority: Critical
             Fix For: 2.2.0-alpha


The hsqldb jar is included in hadoop for the DBCountPageView example only.  Currently the example is using hsqldb version 2.x; however, 2.x is incompatible with 1.8.x -- having this jar in the hadoop class path conflicts with dependent projects like Oozie, Hive, and Pig which still use 1.8.x.  As there are no features hsqldb 2.x that are used by the example, we should downgrade to 1.8.x to avoid conflicts for the other projects.

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