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https://issues.apache.org/jira/browse/BEAM-1656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15923091#comment-15923091
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ASF GitHub Bot commented on BEAM-1656:
--------------------------------------

GitHub user tgroh opened a pull request:

    https://github.com/apache/beam/pull/2237

    [BEAM-1656] Stop Double-finalizing checkpoints in the DirectRunner

    Be sure to do all of the following to help us incorporate your contribution
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    ---
    Checkpoints don't need to be finalized before we restore from them.
    
    This cleans up some interactions with `PubSubIO`. I think that this 
shouldn't
    be a requirement, and I'm going to be sending out a tighter specification 
with
    how a Runner can interact with a CheckpointMark soon.

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

    $ git pull https://github.com/tgroh/beam never_double_finalize

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

    https://github.com/apache/beam/pull/2237.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 #2237
    
----
commit 8875bcf22e072d2e7e977c75ca1b82e413ce9ab6
Author: Thomas Groh <[email protected]>
Date:   2017-03-13T22:22:24Z

    Stop Double-finalizing checkpoints in the DirectRunner
    
    Checkpoints don't need to be finalized before we restore from them.

----


> DirectRunner should not call finalize twice in UnboundedSourceExecutorFactory
> -----------------------------------------------------------------------------
>
>                 Key: BEAM-1656
>                 URL: https://issues.apache.org/jira/browse/BEAM-1656
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-direct
>            Reporter: Ben Chambers
>            Assignee: Thomas Groh
>
> In 
> [getReader](https://github.com/apache/beam/blob/master/runners/direct-java/src/main/java/org/apache/beam/runners/direct/UnboundedReadEvaluatorFactory.java#L174)
>  we call finalize on the checkpoint that arrived in the incoming shard. Then 
> later in 
> [finishRead](https://github.com/apache/beam/blob/master/runners/direct-java/src/main/java/org/apache/beam/runners/direct/UnboundedReadEvaluatorFactory.java#L205)
>  we finalize the old checkpoint again.



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