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From "Oleg Kuznetsov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5756) Synchronization issue on flush
Date Sun, 20 Aug 2017 22:07:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134575#comment-16134575
] 

Oleg Kuznetsov commented on KAFKA-5756:
---------------------------------------

[~ewencp] [~rhauch] Could you take a look?

> 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
>
> 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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