GitHub user jacek-lewandowski opened a pull request:
https://github.com/apache/spark/pull/14200
SPARK-16528: Fix NPE problem in HiveClientImpl
## What changes were proposed in this pull request?
There are some calls to methods or fields (getParameters, properties) which
are then passed to Java/Scala collection converters. Unfortunately those fields
can be null in some cases and then the conversions throws NPE. We fix it by
wrapping calls to those fields and methods with option and then do the
conversion.
## How was this patch tested?
Manually tested with a custom Hive metastore.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jacek-lewandowski/spark SPARK-16528
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14200.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 #14200
----
commit 667abc0d842266405ba412f468358e76b3d815c8
Author: Jacek Lewandowski <lewandowski.ja...@gmail.com>
Date: 2016-07-14T10:14:36Z
SPARK-16528: Fix NPE problem in HiveClientImpl
There are some calls to methods or fields (getParameters, properties) which
are then passed to Java/Scala collection converters. Unfortunately those fields
can be null in some cases and then the conversions throws NPE. We fix it by
wrapping calls to those fields and methods with option and then do the
conversion.
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