array out of bounds exception near VectorHashKeyWrapper.getBytes() with 2 column GROUP BY

select ddate, disinternalmsft16431, count(*) from factsqlengineam_vec_orc
where (ddate = '2012-05-19 00:00:00' or ddate = '2012-05-20 00:00:00') and (disinternalmsft16431 = 0 or disinternalmsft16431 = 5)
group by ddate, disinternalmsft16431;

Diagnostic Messages for this Task:
java.lang.RuntimeException: Hive Runtime Error while closing operators
at org.apache.hadoop.hive.ql.exec.vector.VectorExecMapper.close(VectorExecMapper.java:229)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:57)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:436)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
at org.apache.hadoop.mapred.Child$4.run(Child.java:271)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
at org.apache.hadoop.mapred.Child.main(Child.java:265)
Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
at org.apache.hadoop.hive.ql.exec.vector.VectorHashKeyWrapper.getBytes(VectorHashKeyWrapper.java:226)
at org.apache.hadoop.hive.ql.exec.vector.VectorHashKeyWrapperBatch.getWritableKeyValue(VectorHashKeyWrapperBatch.java:528)
at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.flush(VectorGroupByOperator.java:293)
at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.closeOp(VectorGroupByOperator.java:423)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:588)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:597)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:597)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:597)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:597)
at org.apache.hadoop.hive.ql.exec.vector.VectorExecMapper.close(VectorExecMapper.java:196)
... 8 more

FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask