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https://issues.apache.org/jira/browse/ARTEMIS-636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15387940#comment-15387940
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Robbie Gemmell commented on ARTEMIS-636:
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Random thought: If the messages are posted in a transaction and happen to be 
sent pre-settled, then you cant actually tell the sender you are rejecting the 
messages and instead need to destroy the transaction coordinator link or fail 
the transaction commit when attempted: 
http://docs.oasis-open.org/amqp/core/v1.0/os/amqp-core-transactions-v1.0-os.html#doc-idp145616

> Implement address full BLOCK for AMQP protocol
> ----------------------------------------------
>
>                 Key: ARTEMIS-636
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-636
>             Project: ActiveMQ Artemis
>          Issue Type: New Feature
>            Reporter: Martyn Taylor
>
> Artemis currently does not implement address full BLOCK sematics for the AMQP 
> protocol.  AMQP supports flow control and syntax for describing rejected 
> messages.  Artemis should make use of these features to implement an 
> appropriate BLOCK mechanism, protecting the broker from OOM.



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