Keith Wall created QPID-6192:
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Summary: Broker model closes exchanges/queues before connections
Key: QPID-6192
URL: https://issues.apache.org/jira/browse/QPID-6192
Project: Qpid
Issue Type: Bug
Components: Java Broker
Reporter: Keith Wall
Assignee: Keith Wall
The Broker Model closes virtualhost children exchanges/queues before
connections. This allows for the possibility that work done on the connection
can fail in surprising ways, for instance, a basic.publish can fail as the
exchange object can no longer be found.
An instance of this problem is described next.
bq. In our test case, we have a publishing thread, publishing as fast as it
can. The broker is shutdown gracefully. Sometimes we see a channel.close
AMQException "Unknown exchange name" in response to a basic.publish. Adding
logging shows that the Broker is closing and deregistering the exchange before
the connection is closed, meaning that the client has the opportunity to get
another basic.publish over the wire, to which the broker will respond with the
channel.close. This closes the client's session, meaning after failover, the
user is left with a connection with a closed session.
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