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Posted to mapreduce-dev@hadoop.apache.org by "Gera Shegalov (JIRA)" <ji...@apache.org> on 2014/08/18 07:46:19 UTC

[jira] [Created] (MAPREDUCE-6037) webUI "descriptors" overwritten in Mini MR Cluster

Gera Shegalov created MAPREDUCE-6037:
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             Summary: webUI "descriptors" overwritten in Mini MR Cluster 
                 Key: MAPREDUCE-6037
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6037
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
    Affects Versions: 2.3.0
            Reporter: Gera Shegalov


Unlike in Hadoop1, Hadoop2 does not use web.xml for webUI. However, the programmatically set Guice descriptors overwrite each other, such that the last component to start ends up owning all web ports (typically NM). This is a regression from Hadoop1.    



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