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  1. Accumulo
  2. ACCUMULO-2234

Cannot run offline mapreduce over non-default instance.dfs.dir value

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.4.4, 1.5.0
    • Fix Version/s: 1.4.5, 1.5.1, 1.6.0
    • Component/s: None
    • Labels:
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      Description

      The javadoc for setting up offline scans over RFiles (InputFormatBase.setScanOffline in 1.4 or InputFormatBase.setOfflineTableScan in 1.5) includes a nice little comment to the effect that if a "non-standard" directory is used for Accumulo in HDFS (read as, if the default value for instance.dfs.dir), accumulo-site.xml may need to be on the classpath for the mappers.

      Best as I can tell, even if accumulo-site.xml is on the classpath, it makes no difference as InputFormatBase is creating a new ZooKeeperInstance which, in turn, will only ever make a DefaultConfiguration and never try to check if an accumulo-site.xml file is available. This would make it impossible for a non-default value for instance.dfs.dir to ever be used.

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            • Assignee:
              elserj Josh Elser
              Reporter:
              elserj Josh Elser
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              • Created:
                Updated:
                Resolved: