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https://issues.apache.org/jira/browse/FLINK-4051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15324146#comment-15324146
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Robert Metzger commented on FLINK-4051:
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I'll ask the user again for detailed logs.
> RabbitMQ Source might not react to cancel signal
> ------------------------------------------------
>
> Key: FLINK-4051
> URL: https://issues.apache.org/jira/browse/FLINK-4051
> Project: Flink
> Issue Type: Bug
> Components: Streaming Connectors
> Reporter: Robert Metzger
> Assignee: Subhankar Biswas
>
> As reported here
> https://issues.apache.org/jira/browse/FLINK-3763?focusedCommentId=15322517&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15322517,
> the RabbitMQ source might block forever / ignore the cancelling signal, if
> its listening to an empty queue.
> Fix: call nextDelivery() with a timeout.
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