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https://issues.apache.org/jira/browse/HIVE-1552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu resolved HIVE-1552.
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Resolution: Duplicate
Being fixed as part of HIVE-741
> Nulls are not handled in Sort Merge MapJoin
> -------------------------------------------
>
> Key: HIVE-1552
> URL: https://issues.apache.org/jira/browse/HIVE-1552
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
>
> If SMBMAPJoinOperator finds null keys in Join it fails with
> NullPointerException :
> {noformat}
> Caused by: java.lang.NullPointerException
> at org.apache.hadoop.io.IntWritable.compareTo(IntWritable.java:60)
> at
> org.apache.hadoop.io.WritableComparator.compare(WritableComparator.java:115)
> at
> org.apache.hadoop.hive.ql.exec.SMBMapJoinOperator.compareKeys(SMBMapJoinOperator.java:389)
> at
> org.apache.hadoop.hive.ql.exec.SMBMapJoinOperator.processKey(SMBMapJoinOperator.java:438)
> at
> org.apache.hadoop.hive.ql.exec.SMBMapJoinOperator.processOp(SMBMapJoinOperator.java:205)
> at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:458)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:698)
> at
> org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:45)
> at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:458)
> at
> org.apache.hadoop.hive.ql.exec.SMBMapJoinOperator.fetchOneRow(SMBMapJoinOperator.java:479)
> ... 17 more
> {noformat}
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