[jira] [Created] (FLINK-4051) RabbitMQ Source might not react to cancel signal

[Shang Yuanchun (Jira)]

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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