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  1. Hadoop Map/Reduce
  2. MAPREDUCE-5166

ConcurrentModificationException in LocalJobRunner

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.2.0, 2.0.4-alpha
    • Fix Version/s: 1.2.0, 2.1.0-beta
    • Component/s: None
    • Labels:
      None

      Description

      With the latest version hive unit tests fail in various places with the following stack trace. The problem seems related to: MAPREDUCE-2931

          [junit] java.util.ConcurrentModificationException
          [junit] 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
          [junit] 	at java.util.HashMap$ValueIterator.next(HashMap.java:822)
          [junit] 	at org.apache.hadoop.mapred.Counters.incrAllCounters(Counters.java:505)
          [junit] 	at org.apache.hadoop.mapred.Counters.sum(Counters.java:528)
          [junit] 	at org.apache.hadoop.mapred.LocalJobRunner$Job.getCurrentCounters(LocalJobRunner.java:490)
          [junit] 	at org.apache.hadoop.mapred.LocalJobRunner.getJobCounters(LocalJobRunner.java:634)
          [junit] 	at org.apache.hadoop.mapred.JobClient$NetworkedJob.getCounters(JobClient.java:418)
          [junit] 	at org.apache.hadoop.hive.ql.exec.HadoopJobExecHelper$ExecDriverTaskHandle.getCounters(HadoopJobExecHelper.java:465)
          [junit] 	at org.apache.hadoop.hive.ql.exec.HadoopJobExecHelper.progress(HadoopJobExecHelper.java:300)
          [junit] 	at org.apache.hadoop.hive.ql.exec.HadoopJobExecHelper.progress(HadoopJobExecHelper.java:532)
          [junit] 	at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:453)
          [junit] 	at org.apache.hadoop.hive.ql.exec.ExecDriver.main(ExecDriver.java:681)
          [junit] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          [junit] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          [junit] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          [junit] 	at java.lang.reflect.Method.invoke(Method.java:597)
          [junit] 	at org.apache.hadoop.util.RunJar.main(RunJar.java:160)
      

        Attachments

        1. MAPREDUCE-5166.patch
          3 kB
          Sandy Ryza
        2. MAPREDUCE-5166-branch-1.patch
          3 kB
          Sandy Ryza

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              • Assignee:
                sandyr Sandy Ryza
                Reporter:
                hagleitn Gunther Hagleitner
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                Dates

                • Created:
                  Updated:
                  Resolved: