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From "Sheetal Gosrani (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-5488) CassandraStorage throws NullPointerException (NPE) when widerows is set to 'true'
Date Wed, 17 Apr 2013 19:53:17 GMT
Sheetal Gosrani created CASSANDRA-5488:
------------------------------------------

             Summary: CassandraStorage throws NullPointerException (NPE) when widerows is
set to 'true'
                 Key: CASSANDRA-5488
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5488
             Project: Cassandra
          Issue Type: Bug
          Components: Hadoop
    Affects Versions: 1.2.4
         Environment: Ubuntu 12.04.1 x64, Cassandra 1.2.4
            Reporter: Sheetal Gosrani


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

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