java.io.IOException: Cannot join values on null key. Did you specify a key column that exists?

Stack Overflow | Mahesh | 3 months ago
  1. 0

    Sqoop merge issue - Hortonworks

    Stack Overflow | 3 months ago | Mahesh
    java.io.IOException: Cannot join values on null key. Did you specify a key column that exists?
  2. 0

    Issue with Hudson/Jenkins pulling from a CVS repo

    Stack Overflow | 6 years ago | Haphazard
    java.io.IOException: No such directory exists. Did you specify the correct branch? Perhaps you specified a tag: c:\ <em>path</em>\workspace</p> <p>at hudson.scm.CVSSCM.archive(CVSSCM.java:474)
  3. 0

    Proguard Error with ant/antenna

    Oracle Community | 1 decade ago | 843849
    java.io.IOException: The output jar is empty. Did you specify the proper '-keep' options? ^^^^^___Error that I get is here [wtkobfuscate]
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    Secure Zookeeper for CDH4.1.1 - Grokbase

    grokbase.com | 5 months ago
    java.io.IOException: Could not configure server because SASL configuration did not allow the ZooKeeper server to authenticate itself properly: javax.security.auth.login.LoginException: java.lang.IllegalArgumentException: EncryptionKey: Key bytes cannot be null!
  6. 0

    Pramati DevPortal :: java.io.IOException: Too many open files

    pramati.com | 1 year ago
    java.io.IOException: Cannot create a file when that file already exists

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.io.IOException

      Cannot join values on null key. Did you specify a key column that exists?

      at org.apache.sqoop.mapreduce.MergeMapperBase.processRecord()
    2. org.apache.sqoop
      MergeTextMapper.map
      1. org.apache.sqoop.mapreduce.MergeMapperBase.processRecord(MergeMapperBase.java:79)
      2. org.apache.sqoop.mapreduce.MergeTextMapper.map(MergeTextMapper.java:58)
      3. org.apache.sqoop.mapreduce.MergeTextMapper.map(MergeTextMapper.java:34)
      3 frames
    3. Hadoop
      YarnChild$2.run
      1. org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)
      2. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
      3. org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
      4. org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168)
      4 frames
    4. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:422)
      2 frames
    5. Hadoop
      UserGroupInformation.doAs
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
      1 frame
    6. Hadoop
      YarnChild.main
      1. org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
      1 frame