GitHub user 2start opened a pull request:
https://github.com/apache/flink/pull/6143
[hotfix] [docs] Fixed scala variable declaration without initialization
## What is the purpose of the change
This pull request fixes an error in the Scala example for periodic
watermarks.
It is not possible to declare a variable without initializing it, at least
not outside of abstract classes.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/2start/flink hotfixDocs
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6143.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 #6143
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commit 6f5c5b6888330054d4d1dc02412d754a7916a5d8
Author: Nico Duldhardt <nduldhardt@...>
Date: 2018-06-09T23:43:33Z
hotfix docs fix scala variable declaration without initialization
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