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https://issues.apache.org/jira/browse/QPID-7649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16029259#comment-16029259
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Keith Wall commented on QPID-7649:
----------------------------------

Currently, the consumer target created by the sending link does not know that 
it "MUST NOT send any new deliveries" (2.7.3 - attach), so it will violate the 
spec and the peer will be obliged to detach.   We need a way to tell the 
consumer target not to deliver anything (perhaps an additional clause 
({{ConsumerTarget_1_0#allocateCredit}}) to consider that incomplete-unsettled 
flag.    

It is not clear to me if "Note that if this flag is set to true then the 
endpoints MUST detach and reattach at least once in order to send new 
deliveries."  means that the Broker is required to detach after actioning the 
unsettled map.



> [Java Broker] Support AMQP 1.0 Attach with incomplete-unsettled=true
> --------------------------------------------------------------------
>
>                 Key: QPID-7649
>                 URL: https://issues.apache.org/jira/browse/QPID-7649
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>            Reporter: Lorenz Quack
>             Fix For: qpid-java-broker-7.0.0
>
>
> The AMQP 1.0 spec (2.7.3) allows to send an Attach with an incomplete 
> {{unsettled}} map together with {{incomplete-unsettled=true}}. This is useful 
> in cases where the unsettled map is too large to fit in a single frame.
> We currently do not respect this, violating the spec.



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