[jira] [Updated] (CASSANDRA-4154) CFRR wide row iterator does not handle tombstones well

["Jonathan Ellis (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-4154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-4154:
--------------------------------------

    Attachment: 4154.txt
    
> CFRR wide row iterator does not handle tombstones well
> ------------------------------------------------------
>
>                 Key: CASSANDRA-4154
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4154
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Hadoop
>    Affects Versions: 1.1.0
>            Reporter: Brandon Williams
>            Assignee: Jonathan Ellis
>             Fix For: 1.1.0
>
>         Attachments: 4154.txt
>
>
> If the last row is a tombstone, CFRR's wide row iterator will throw an exception:
> {noformat}
> java.util.NoSuchElementException
>         at com.google.common.collect.Iterables.getLast(Iterables.java:663)
>         at org.apache.cassandra.hadoop.ColumnFamilyRecordReader$WideRowIterator.maybeInit(ColumnFamilyRecordReader.java:441)
>         at org.apache.cassandra.hadoop.ColumnFamilyRecordReader$WideRowIterator.computeNext(ColumnFamilyRecordReader.java:467)
>         at org.apache.cassandra.hadoop.ColumnFamilyRecordReader$WideRowIterator.computeNext(ColumnFamilyRecordReader.java:413)
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:137)
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:132)
>         at org.apache.cassandra.hadoop.ColumnFamilyRecordReader.nextKeyValue(ColumnFamilyRecordReader.java:188)
>         at org.apache.cassandra.hadoop.pig.CassandraStorage.getNextWide(CassandraStorage.java:140)
>         at org.apache.cassandra.hadoop.pig.CassandraStorage.getNext(CassandraStorage.java:199)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:187)
>         at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:423)
>         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:621)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
>         at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> {noformat}

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