java.lang.NullPointerException

apache.org | 1 month ago
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  1. 0

    Hadoop 1.2.1 Release Notes

    apache.org | 1 month ago
    java.lang.NullPointerException
  2. 0

    Hadoop 1.2.1 Release Notes

    apache.org | 1 month ago
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicy.getInstance()
    2. Apache Hadoop HDFS
      Balancer.checkReplicationPolicyCompatibility
      1. org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicy.getInstance(BlockPlacementPolicy.java:165)
      2. org.apache.hadoop.hdfs.server.balancer.Balancer.checkReplicationPolicyCompatibility(Balancer.java:799)
      2 frames