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https://issues.apache.org/jira/browse/DRILL-7355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913276#comment-16913276
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Oleg Zinoviev commented on DRILL-7355:
--------------------------------------
Any chance this can be fixed in 1.17.0?
> Reading a offset based vectors may produce IndexOutOfBoundsException
> --------------------------------------------------------------------
>
> Key: DRILL-7355
> URL: https://issues.apache.org/jira/browse/DRILL-7355
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.16.0
> Environment: Stack trace:
> Caused by: java.lang.IndexOutOfBoundsException: index: 17, length: -799
> (expected: range(0, 524288))
> at
> io.netty.buffer.AbstractByteBuf.checkIndex0(AbstractByteBuf.java:1125)
> at io.netty.buffer.AbstractByteBuf.checkIndex(AbstractByteBuf.java:1120)
> at
> io.netty.buffer.PooledUnsafeDirectByteBuf.nioBuffer(PooledUnsafeDirectByteBuf.java:244)
> at io.netty.buffer.WrappedByteBuf.nioBuffer(WrappedByteBuf.java:734)
> at
> io.netty.buffer.UnsafeDirectLittleEndian.nioBuffer(UnsafeDirectLittleEndian.java:34)
> at io.netty.buffer.DrillBuf.nioBuffer(DrillBuf.java:364)
> at
> org.apache.drill.exec.store.ParquetOutputRecordWriter$VarCharParquetConverter.writeField(ParquetOutputRecordWriter.java:1824)
> at
> org.apache.drill.exec.store.EventBasedRecordWriter.write(EventBasedRecordWriter.java:48)
> at
> org.apache.drill.exec.physical.impl.WriterRecordBatch.innerNext(WriterRecordBatch.java:111)
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:186)
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104)
> at
> org.apache.drill.exec.physical.impl.SingleSenderCreator$SingleSenderRootExec.innerNext(SingleSenderCreator.java:93)
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94)
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:296)
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:283)
> Reporter: Oleg Zinoviev
> Priority: Major
>
> Var16Char, VarBinary, VarChar and VarDecimal vectors contain a UInt4 offset
> vector. When reading values into the corresponding holder, the values of
> their offset vectors are written into the "start" and "end" fields as
> ordinary integers. In the subsequent operations is not considered that
> originally this values were unsigned integers and (for example in the
> calculation of the buffer size at ParquetOutputRecordWriter) usual
> subtraction "end" - "start" used. This causes the target buffer size to be
> negative.
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