Daniil Kirilyuk created QPID-8762:
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             Summary: [Broker-J] Advertise a valid AMQP 1.0 max-frame-size when 
rejecting connections
                 Key: QPID-8762
                 URL: https://issues.apache.org/jira/browse/QPID-8762
             Project: Qpid
          Issue Type: Improvement
          Components: Broker-J
    Affects Versions: qpid-java-broker-10.1.0
            Reporter: Daniil Kirilyuk
            Assignee: Daniil Kirilyuk
             Fix For: qpid-java-broker-10.1.1


When rejecting an AMQP 1.0 connection before completing the Open exchange, 
Broker-J sends an Open frame with max-frame-size=0, below the protocol minimum 
of 512 bytes.
Clients can reject this frame with a framing error, masking the intended 
connection rejection reason, such as authorization failure. The legal 512-byte 
minimum in this response should be advertised,  so clients can process the 
subsequent Close frame and report the original error.



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