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https://issues.apache.org/jira/browse/FLINK-10377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16623461#comment-16623461
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ASF GitHub Bot commented on FLINK-10377:
----------------------------------------

pnowojski commented on a change in pull request #6723: [FLINK-10377] Remove 
precondition in TwoPhaseCommitSinkFunction.notif…
URL: https://github.com/apache/flink/pull/6723#discussion_r219471764
 
 

 ##########
 File path: 
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/sink/TwoPhaseCommitSinkFunction.java
 ##########
 @@ -255,7 +255,6 @@ public final void notifyCheckpointComplete(long 
checkpointId) throws Exception {
                //
 
 Review comment:
   Maybe you can ask the reporter of the bug to provide debug or at least info 
logs?

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> Remove precondition in TwoPhaseCommitSinkFunction.notifyCheckpointComplete
> --------------------------------------------------------------------------
>
>                 Key: FLINK-10377
>                 URL: https://issues.apache.org/jira/browse/FLINK-10377
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming Connectors
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>            Priority: Major
>              Labels: pull-request-available
>
> The precondition {{checkState(pendingTransactionIterator.hasNext(), 
> "checkpoint completed, but no transaction pending");}} in 
> {{TwoPhaseCommitSinkFunction.notifyCheckpointComplete()}} seems too strict, 
> because checkpoints can overtake checkpoints and will fail the precondition. 
> In this case the commit was already performed by the first notification and 
> subsumes the late checkpoint. I think the check can be removed.



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