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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-3081) Our findbugs config does not actually use Nullable annotations effectively
Date Wed, 25 Oct 2017 19:36:00 GMT


ASF GitHub Bot commented on BEAM-3081:

GitHub user kennknowles opened a pull request:

    [BEAM-3081] Findbugs stragglers

    Follow this checklist to help us incorporate your contribution quickly and easily:
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    I did not do a sufficient offline verification during our Jenkins issues. Confirmed that
findbugs fails on `master` and succeeds after this change.

You can merge this pull request into a Git repository by running:

    $ git pull findbugs-stragglers

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4039
commit 84a1df9139a0fa65be6e19db2a106bd082c8ae26
Author: Kenneth Knowles <>
Date:   2017-10-25T16:38:55Z

    Fix remaining nullability errors


> Our findbugs config does not actually use Nullable annotations effectively
> --------------------------------------------------------------------------
>                 Key: BEAM-3081
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: build-system
>            Reporter: Kenneth Knowles
>            Assignee: Kenneth Knowles
> We use {{@Nullable}} annotations mostly appropriately, but in fact our findbugs config
was not delivering value based on these annotations, because it does not default to {{@NonNull}}.
We can and should set this default.

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