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https://issues.apache.org/jira/browse/FLINK-22325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Khachatryan updated FLINK-22325:
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Affects Version/s: 1.13.0
1.12.2
> Channel state iterator is accessed concurrently without proper synchronization
> ------------------------------------------------------------------------------
>
> Key: FLINK-22325
> URL: https://issues.apache.org/jira/browse/FLINK-22325
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.12.2, 1.13.0
> Reporter: Roman Khachatryan
> Assignee: Roman Khachatryan
> Priority: Major
> Fix For: 1.13.0
>
>
> ChannelStateWriter adds input/output data that is written by a dedicated
> thread.
> The data is passed as CloseableIterator.
> In some cases, iterator.close can be called from the task thread which can
> lead to double release of buffers.
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