[CASSANDRA-4154] CFRR wide row iterator does not handle tombstones well

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Severity: Normal
• Assignee: Jonathan Ellis
• Reporter: Brandon Williams

Authors

Jonathan Ellis

Reviewers

Brandon Williams

• Created: 16/Apr/12 13:35
• Updated: 16/Apr/19 09:32
• Resolved: 16/Apr/12 21:24

Description

If the last row is a tombstone, CFRR's wide row iterator will throw an exception:

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)