Alex Rudyy created QPID-8082:
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Summary: [Broker-J][AMQP 1.0] Clear unsettled map on receiving
link detach due to an error
Key: QPID-8082
URL: https://issues.apache.org/jira/browse/QPID-8082
Project: Qpid
Issue Type: Bug
Components: Broker-J
Affects Versions: qpid-java-broker-7.0.0
Reporter: Alex Rudyy
Fix For: qpid-java-broker-7.0.1
The link endpoint is destroyed when the link is detached with an error. Such
link cannot be reattached. Thus, any unsettled deliveries can be safely cleared
on the link endpoint.
Clearing of unsettled deliveries should ensure that any undesired disposition
will not be sent after closing the link as the state carried via such
disposition should be ignored on peer as per section {{2.7.6 Disposition}} of
AMQP specification
{quote}
The disposition performative MAY refer to deliveries on links that are no
longer attached.
As long as the links have not been closed or detached with an error then the
deliveries are still “live” and the updated state MUST be applied.
{quote}
At the moment, the disposition may arrive from errant standard receiving link
endpoint after its close due to error, when transaction for the delivery is
discharged (The delivery is settled with null state when transaction is rolled
back). It does not look right to me to send such disposition, as it does not
change anything on the peer
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