[jira] [Closed] (ARTEMIS-1898) [AMQP] sender is not granted credit once space on queue is available

["clebert suconic (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-1898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

clebert suconic closed ARTEMIS-1898.
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> [AMQP] sender is not granted credit once space on queue is available
> --------------------------------------------------------------------
>
>                 Key: ARTEMIS-1898
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1898
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>            Reporter: Gordon Sim
>            Assignee: Andy Taylor
>            Priority: Major
>             Fix For: 2.6.4
>
>         Attachments: drain.py, test_send.py
>
>
> If an AMQP publisher sends to a queue that is full, with address-full-policy=FAIL, it gets messages rejected and no credit issued as expected. However if the queue is then drained, that existing sender link is not granted any more credit.
> To reproduce, configure a broker such that it has a queue called examples with some fairly low max size (I set global-max-size to 100kb) and address-full-policy of FAIL. Then run attached test_send.py with args e.g. -m 100000. The sender will eventually stall due to lack of credit. Then run the attached drain.py which will drain the queue. This *should* allow the sender to resume sending, but it does not. 



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