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Posted to issues@nifi.apache.org by "Joe Witt (Jira)" <ji...@apache.org> on 2023/10/13 20:58:00 UTC

[jira] [Resolved] (NIFI-12228) Concurrency bug can occasionally lead to allowing a group with Single FlowFile per Node input pulling in multiple FlowFiles

     [ https://issues.apache.org/jira/browse/NIFI-12228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joe Witt resolved NIFI-12228.
-----------------------------
    Fix Version/s: 2.0.0
                   1.24.0
                       (was: 1.latest)
                       (was: 2.latest)
       Resolution: Fixed

> Concurrency bug can occasionally lead to allowing a group with Single FlowFile per Node input pulling in multiple FlowFiles
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-12228
>                 URL: https://issues.apache.org/jira/browse/NIFI-12228
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>            Priority: Major
>             Fix For: 2.0.0, 1.24.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Every now and then we see a failure in the system tests:
> {code:java}
> BatchFlowBetweenGroupsIT.testSingleConcurrencyAndBatchOutputToBatchInputOutput » Timeout testSingleConcurrencyAndBatchOutputToBatchInputOutput() timed out after 5 minutes {code}
> Looking at the logs shows that this is happening because data enters Group A, and then before the Output Port has a chance to push the data out of Group A, a second FlowFile enters. As a result, the test fails because the queue between Groups A and B, or the connection inside of Group B, never reach the expected size.



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