GitHub user brkyvz opened a pull request:
https://github.com/apache/spark/pull/15086
[SPARK-17531] Don't initialize Hive Listeners for the Execution Client
## What changes were proposed in this pull request?
If a user provides listeners inside the Hive Conf, the configuration for
these listeners are passed to the Hive Execution Client as well. This may cause
issues for two reasons:
1. The Execution Client will actually generate garbage
2. The listener class needs to be both in the Spark Classpath and Hive
Classpath
This PR empties the listener configurations in
`HiveUtils.newTemporaryConfiguration` so that the execution client will not
contain the listener confs, but the metadata client will.
## How was this patch tested?
Unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/brkyvz/spark null-listeners
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15086.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 #15086
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commit c2c7d67daebdad2353749048a5b190b1a884c7fb
Author: Burak Yavuz <[email protected]>
Date: 2016-09-13T19:45:32Z
save
commit b2de15e4d42bb00c89f0ddff442e715480979f87
Author: Burak Yavuz <[email protected]>
Date: 2016-09-13T20:31:37Z
added tests
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