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  1. Hadoop Common
  2. HADOOP-7854

UGI getCurrentUser is not synchronized

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 1.0.0
    • Fix Version/s: 1.0.0, 0.23.1
    • Component/s: security
    • Labels:
      None

      Description

      Sporadic ConcurrentModificationExceptions are originating from UGI.getCurrentUser when it needs to create a new instance. The problem was specifically observed in a JT under heavy load when a post-job cleanup is accessing the UGI while a new job is being processed.

        Attachments

        1. HADOOP-7854-trunk.patch
          0.9 kB
          Daryn Sharp
        2. HADOOP-7854.patch
          0.8 kB
          Daryn Sharp

          Activity

            People

            • Assignee:
              daryn Daryn Sharp
              Reporter:
              daryn Daryn Sharp
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              Dates

              • Created:
                Updated:
                Resolved: