Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-3770

[Rumen] Zombie.getJobConf() results into NPE

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Critical Critical
    • Resolution: Fixed
    • Affects Version/s: 0.23.0, 2.0.0-alpha
    • Fix Version/s: 0.23.1
    • Component/s: tools/rumen
    • Labels:
    • Target Version/s:
    • Hadoop Flags:
      Reviewed
    • Tags:
      rumen job-name

      Description

      The error trace is as follows

      java.lang.NullPointerException
              at java.util.Hashtable.put(Hashtable.java:394)
              at java.util.Properties.setProperty(Properties.java:143)
              at org.apache.hadoop.conf.Configuration.set(Configuration.java:623)
              at org.apache.hadoop.mapred.JobConf.setJobName(JobConf.java:1322)
              at org.apache.hadoop.tools.rumen.ZombieJob.getJobConf(ZombieJob.java:139)
              at org.apache.hadoop.mapred.gridmix.DistributedCacheEmulator.updateHDFSDistCacheFilesList(DistributedCacheEmulator.java:315)
              at org.apache.hadoop.mapred.gridmix.DistributedCacheEmulator.buildDistCacheFilesList(DistributedCacheEmulator.java:280)
              at org.apache.hadoop.mapred.gridmix.DistributedCacheEmulator.setupGenerateDistCacheData(DistributedCacheEmulator.java:253)
              at org.apache.hadoop.mapred.gridmix.Gridmix.setupDistCacheEmulation(Gridmix.java:528)
              at org.apache.hadoop.mapred.gridmix.Gridmix.setupEmulation(Gridmix.java:501)
              at org.apache.hadoop.mapred.gridmix.Gridmix.start(Gridmix.java:433)
              at org.apache.hadoop.mapred.gridmix.Gridmix.runJob(Gridmix.java:380)
              at org.apache.hadoop.mapred.gridmix.Gridmix.access$000(Gridmix.java:56)
              at org.apache.hadoop.mapred.gridmix.Gridmix$1.run(Gridmix.java:313)
              at org.apache.hadoop.mapred.gridmix.Gridmix$1.run(Gridmix.java:311)
              at java.security.AccessController.doPrivileged(Native Method)
              at javax.security.auth.Subject.doAs(Subject.java:396)
              at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1157)
              at org.apache.hadoop.mapred.gridmix.Gridmix.run(Gridmix.java:311)
              at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
              at org.apache.hadoop.mapred.gridmix.Gridmix.main(Gridmix.java:606)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
              at java.lang.reflect.Method.invoke(Method.java:597)
              at org.apache.hadoop.util.RunJar.main(RunJar.java:200)
      

      The bug seems to be in ZombieJob#getName() where a not-null check for jobName.getValue() is missing.

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            • Assignee:
              Amar Kamat
              Reporter:
              Amar Kamat
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              Dates

              • Created:
                Updated:
                Resolved:

                Development