GitHub user guozhangwang opened a pull request:
https://github.com/apache/kafka/pull/1520
HOTFIX: Check hasNext in KStreamWindowReduce
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/guozhangwang/kafka
KHotfix-iter-hasNext-window-value-getter
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1520.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 #1520
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commit 2a974544c6808a43347a069b1cda20a8536f453a
Author: Guozhang Wang <wangg...@gmail.com>
Date: 2016-06-17T23:31:00Z
check hasNext in KStreamWindowReduce as well
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