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https://issues.apache.org/jira/browse/FLINK-13204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski reassigned FLINK-13204:
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Assignee: Piotr Nowojski
> The subscribedPartitionStates should be thread safe.
> ----------------------------------------------------
>
> Key: FLINK-13204
> URL: https://issues.apache.org/jira/browse/FLINK-13204
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: 1.8.0
> Reporter: Jiangjie Qin
> Assignee: Piotr Nowojski
> Priority: Major
> Fix For: 1.9.0
>
>
> The \{{subscribedPartitionState}} should be thread safe. This variable may be
> modified by the partition discoverer thread while being read by the main
> thread. So when subscribed partition changes (e.g. partition expansion, new
> topic matching the pattern is created), a
> \{{ConcurrentModificationException}} may be thrown.
> The fix is to use the set from a {{ConcurrentHashMap}} instead of a \{{List}}
> for \{{subscribedPartitionState}}.
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