Cassandra
  1. Cassandra
  2. CASSANDRA-5488

CassandraStorage throws NullPointerException (NPE) when widerows is set to 'true'

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Minor Minor
    • Resolution: Fixed
    • Fix Version/s: 1.1.12, 1.2.6
    • Component/s: Hadoop
    • Labels:
    • Environment:

      Ubuntu 12.04.1 x64, Cassandra 1.2.4

      Description

      CassandraStorage throws NPE when widerows is set to 'true'.

      2 problems in getNextWide:
      1. Creation of tuple without specifying size
      2. Calling addKeyToTuple on lastKey instead of key

      java.lang.NullPointerException
      at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:167)
      at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:124)
      at org.apache.cassandra.cql.jdbc.JdbcUTF8.getString(JdbcUTF8.java:73)
      at org.apache.cassandra.cql.jdbc.JdbcUTF8.compose(JdbcUTF8.java:93)
      at org.apache.cassandra.db.marshal.UTF8Type.compose(UTF8Type.java:34)
      at org.apache.cassandra.db.marshal.UTF8Type.compose(UTF8Type.java:26)
      at org.apache.cassandra.hadoop.pig.CassandraStorage.addKeyToTuple(CassandraStorage.java:313)
      at org.apache.cassandra.hadoop.pig.CassandraStorage.getNextWide(CassandraStorage.java:196)
      at org.apache.cassandra.hadoop.pig.CassandraStorage.getNext(CassandraStorage.java:224)
      at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:194)
      at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:532)
      at org.apache.hadoop.mapreduce.MapContext.nextKeyValue(MapContext.java:67)
      at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
      at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
      at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
      at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
      at java.security.AccessController.doPrivileged(Native Method)
      at javax.security.auth.Subject.doAs(Subject.java:415)
      at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
      at org.apache.hadoop.mapred.Child.main(Child.java:249)
      2013-04-16 12:28:03,671 INFO org.apache.hadoop.mapred.Task: Runnning cleanup for the task

      1. 5488.txt
        3 kB
        Sheetal Gosrani
      2. 5488-2.txt
        4 kB
        Jeremy Hanna

        Activity

          People

          • Assignee:
            Sheetal Gosrani
            Reporter:
            Sheetal Gosrani
            Reviewer:
            Brandon Williams
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            Watchers:
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            Dates

            • Created:
              Updated:
              Resolved:

              Development