GitHub user srowen opened a pull request:
https://github.com/apache/spark/pull/17527
[SPARK-20156][CORE][SQL][STREAMING][MLLIB] Java String toLowerCase "Turkish
locale bug" causes Spark problems
## What changes were proposed in this pull request?
Add Locale.ROOT to all calls to String `toLowerCase`, `toUpperCase`, to
avoid inadvertent locale-sensitive variation in behavior (aka the "Turkish
locale problem").
The change looks large but it is just adding `Locale.ROOT` (the locale with
no country or language specified) to every call to these methods.
## How was this patch tested?
Existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/srowen/spark SPARK-20156
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17527.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 #17527
----
commit 59194388d8de07d258a1a952b2cc52c57962c77a
Author: Sean Owen <[email protected]>
Date: 2017-04-04T08:47:18Z
Add Locale.ROOT to all calls to String toLowerCase, toUpperCase, to avoid
inadvertent locale-sensitive variation in behavior (aka the "Turkish locale
problem")
commit ab5995c18595195df51b43c6358ed761de0181a4
Author: Sean Owen <[email protected]>
Date: 2017-04-04T08:51:30Z
Revert inadvertent change to R file
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