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  1. Hive
  2. HIVE-11304 Migrate to Log4j2 from Log4j 1.x
  3. HIVE-11572

Datanucleus loads Log4j1.x Logger from AppClassLoader

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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.0
    • Fix Version/s: 2.0.0
    • Component/s: Logging
    • Labels:
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      Description

      As part of HIVE-11304, we moved from Log4j1.x to Log4j2. But DataNucleus log messages gets logged to console when launching the hive cli. The reason is DataNucleus is trying to load Log4j1.x Logger by traversing its class loader. Although we use log4j-1.2-api bridge we are loading log4j-1.2.16 jar that was pulled by ZooKeeper. We should make sure that there is no log4j-1.2.16 in datanucleus classloader hierarchy (classpath).

      DataNucleus logger has this

      NucleusLogger.class.getClassLoader().loadClass("org.apache.log4j.Logger");
                  loggerClass = org.datanucleus.util.Log4JLogger.class;
      

        Attachments

        1. HIVE-11572.patch
          0.9 kB
          Prasanth Jayachandran

          Activity

            People

            • Assignee:
              prasanth_j Prasanth Jayachandran
              Reporter:
              prasanth_j Prasanth Jayachandran
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              Dates

              • Created:
                Updated:
                Resolved: