GitHub user srowen opened a pull request:
https://github.com/apache/spark/pull/11725
[SPARK-13823] [CORE] More warnings, StandardCharset follow up
## What changes were proposed in this pull request?
Follow up to https://github.com/apache/spark/pull/11657
- Also update `String.getBytes("UTF-8")` to use `StandardCharsets.UTF_8`
- And fix one last new Coverity warning that turned up (use of unguarded
`wait()` replaced by simpler/more robust `java.util.concurrent` classes in
tests)
- And while we're here cleaning up Coverity warnings, just fix about 15
more build warnings
## How was this patch tested?
Jenkins tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/srowen/spark SPARK-13823.2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11725.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 #11725
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