[ https://issues.apache.org/jira/browse/CASSANDRA-4834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ben Kempe updated CASSANDRA-4834: --------------------------------- Attachment: trunk-CASSANDRA-4834.txt lastColumn also needs a duplicated ByteBuffer. Otherwise, if the column name is consumed in the map/reduce code, the expression in https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/hadoop/ColumnFamilyRecordReader.java#L458 will evaluate to false and the CFRR can get into an infinite loop. > Old-style mapred interface only populates row key for first column when using > wide rows > --------------------------------------------------------------------------------------- > > Key: CASSANDRA-4834 > URL: https://issues.apache.org/jira/browse/CASSANDRA-4834 > Project: Cassandra > Issue Type: Bug > Components: Hadoop > Affects Versions: 1.1.0 > Reporter: Ben Kempe > Assignee: Ben Kempe > Priority: Minor > Fix For: 1.1.7 > > Attachments: TestJob.java, TestJobOldHadoop.java, > trunk-CASSANDRA-4834.txt > > > When using the ColumnFamilyRecordReader with the old-style Hadoop interface > to iterate over wide row columns, the row key is only populated on the first > column. > See attached tests. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira