GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/3081
Cherry-pick #3080 into release-2.0.0
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[BEAM-2259] Reshuffle exception release
Elements will be dropped only if the window they are assigned to is
expired, which can generally be performed arbitrarily.
Using infinite allowed lateness can cause an IllegalStateException if
the ReduceFnRunner observes certain combinations of timers and elements,
and attempts to buffer an element, setting a watermark hold for window
expiry (which is past the end of time).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam reshuffle_exception_release
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3081.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 #3081
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