GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/11418
[SPARK-13537][SQL] Fix readBytes in VectorizedPlainValuesReader
JIRA: https://issues.apache.org/jira/browse/SPARK-13537
## What changes were proposed in this pull request?
In readBytes of VectorizedPlainValuesReader, we use buffer[offset] to
access bytes in buffer. It is incorrect because offset is added with
Platform.BYTE_ARRAY_OFFSET when initialization. We should fix it.
## How was this patch tested?
`ParquetHadoopFsRelationSuite` sometimes will be
[failed](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/52136/consoleFull)
by this bug. After applying this, the test can be passed.
The error exception:
[info] ParquetHadoopFsRelationSuite:
[info] - test all data types - StringType (440 milliseconds)
[info] - test all data types - BinaryType (434 milliseconds)
[info] - test all data types - BooleanType (406 milliseconds)
20:59:38.618 ERROR org.apache.spark.executor.Executor: Exception in
task 0.0 in stage 2597.0 (TID 67966)
java.lang.ArrayIndexOutOfBoundsException: 46
at
org.apache.spark.sql.execution.datasources.parquet.VectorizedPlainValuesReader.readBytes(VectorizedPlainValuesReader.java:88)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 fix-readbytes
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11418.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11418
----
commit 44f5c4104f357ac71b5d5d295e77e8a2902f683a
Author: Liang-Chi Hsieh <[email protected]>
Date: 2016-02-28T08:18:31Z
Fix readBytes.
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