Robert Metzger created FLINK-4051:
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Summary: 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
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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