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From "Robbie Gemmell (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-3813) [Java broker] enable configuring the default reply to an unsupported protocol version initiation
Date Sat, 04 Feb 2012 23:05:58 GMT
[Java broker] enable configuring the default reply to an unsupported protocol version initiation
------------------------------------------------------------------------------------------------

                 Key: QPID-3813
                 URL: https://issues.apache.org/jira/browse/QPID-3813
             Project: Qpid
          Issue Type: Improvement
          Components: Java Broker
            Reporter: Robbie Gemmell
            Assignee: Robbie Gemmell
            Priority: Minor
             Fix For: 0.15


The Java broker supports multiple version of the AMQP protocol (0-8,0-9,0-9-1,0-10), and allows
disabling specific versions on specific (or all) ports. It would be useful if the default
version reply to an unsupported protocol version initiation attempt could be configured, to
allow controlling behaviour of the broker in this situation.

For example, a broker could have 0-8, 0-9, 0-9-1 enabled on one port and 0-10 enabled on another.
In this state, a legacy client supporting 0-9 and 0-10 but not 0-9-1 would be unable to connect
to the first port because the broker will reply with 0-9-1 if the client initially attempts
0-10. If the broker could be configured to reply with 0-9 instead in this case the legacy
client would then be able to connect, and any newer clients could still connect on this port
if simply using 0-9-1 directly.

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