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Posted to dev@kafka.apache.org by "Jason Gustafson (JIRA)" <ji...@apache.org> on 2017/09/06 18:27:00 UTC

[jira] [Resolved] (KAFKA-5756) Synchronization issue on flush

     [ https://issues.apache.org/jira/browse/KAFKA-5756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson resolved KAFKA-5756.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 0.11.0.1
                   1.0.0

Issue resolved by pull request 3702
[https://github.com/apache/kafka/pull/3702]

> Synchronization issue on flush
> ------------------------------
>
>                 Key: KAFKA-5756
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5756
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions: 0.10.2.0
>            Reporter: Oleg Kuznetsov
>             Fix For: 1.0.0, 0.11.0.1
>
>
> Access to *OffsetStorageWriter#toFlush* is not synchronized in *doFlush()* method, whereas this collection can be accessed from 2 different threads:
> - *WorkerSourceTask.execute()*, finally block
> - *SourceTaskOffsetCommitter*, from periodic flush task



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