java.lang.NullPointerException

Apache's JIRA Issue Tracker | Philip Zeyliger | 8 years ago
  1. 0

    Throwing NPE is confusing; instead, an exception with a useful string description could be thrown instead.

    Apache's JIRA Issue Tracker | 8 years ago | Philip Zeyliger
    java.lang.NullPointerException
  2. 0

    hadoop cluster installation problems

    Google Groups | 6 years ago | bikash sharma
    java.lang.NullPointerException
  3. 0

    hadoop namenode,datanode,secondarynamenode are not starting up

    Stack Overflow | 2 years ago | Gops AB
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.hadoop.net.NetUtils.createSocketAddr()
    2. Hadoop
      NetUtils.createSocketAddr
      1. org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:135)
      1 frame
    3. Apache Hadoop HDFS
      NameNode.main
      1. org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:172)
      2. org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:176)
      3. org.apache.hadoop.hdfs.server.namenode.NameNode.getRpcServerAddress(NameNode.java:204)
      4. org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:242)
      5. org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:373)
      6. org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:367)
      7. org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1121)
      8. org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1130)
      8 frames