[TAJO-666] java.nio.BufferOverflowException occurs when the query includes an order by clause on a TEXT column

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Assignee: Mai Hai Thanh
• Reporter: Jihoon Son
• Created: 06/Mar/14 04:19
• Updated: 29/Jul/14 01:36
• Resolved: 22/Jul/14 05:25

Description

See the title.
The query and the error log of the query master are as follows.
The 'method' column type is TEXT.

tajo> select method, sum(totaltime) from logs_20130404 group by method order by method;

2014-03-06 11:26:03,432 ERROR querymaster.QueryUnitAttempt (QueryUnitAttempt.java:transition(409)) - FROM xxx.xxx.xxx.xxx >> java.nio.BufferOverflowException
        at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:183)
        at java.nio.ByteBuffer.put(ByteBuffer.java:832)
        at org.apache.tajo.storage.RowStoreUtil$RowStoreEncoder.toBytes(RowStoreUtil.java:181)
        at org.apache.tajo.storage.index.bst.BSTIndex$BSTIndexWriter.writeHeader(BSTIndex.java:168)
        at org.apache.tajo.storage.index.bst.BSTIndex$BSTIndexWriter.close(BSTIndex.java:187)
        at org.apache.hadoop.io.IOUtils.cleanup(IOUtils.java:237)
        at org.apache.tajo.engine.planner.physical.RangeShuffleFileWriteExec.close(RangeShuffleFileWriteExec.java:123)
        at org.apache.tajo.worker.Task.run(Task.java:385)
        at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:395)
        at java.lang.Thread.run(Thread.java:744)