GitHub user felixcheung opened a pull request:
https://github.com/apache/spark/pull/15560
[SPARKR] fix warnings
## What changes were proposed in this pull request?
Fix for a bunch of test warnings that were added recently.
We need to investigate why warnings are not turning into errors.
## How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/felixcheung/spark rwarnings
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15560.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 #15560
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commit b25b277d8ebabb6aabd3c1c80bc9140c8670407f
Author: Felix Cheung <[email protected]>
Date: 2016-10-20T05:09:18Z
fix warnings
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