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From "Leglise Yann" <ylegl...@sopragroup.com>
Subject QPID java client release compatibility with AMQP version
Date Thu, 02 Jul 2009 13:28:01 GMT
I am new to QPID and I have a question about QPID java client release compatibility with AMQP
I am using the last version of java broker (0.5) which can only handle up to AMQP 0-9, and
the last version of java client (0.5) which can handle either AMQP 0-10 or 0-9 or 0-8 (as
specified in http://qpid.apache.org/amqp-compatibility.html) . But to make the client and
the broker able to communicate, I need to specify to the client to use the 0-9 version.
I could not found any API to do this. So I browsed the repository, and I found the connect
method code of Connection class :
    public void connect(String host, int port, String vhost, String username, String password,
boolean ssl,String saslMechs)
        synchronized (lock)
            state = OPENING;
            delegate = new ClientDelegate(vhost, username, password,saslMechs);
            IoTransport.connect(host, port, ConnectionBinding.get(this), ssl);
            send(new ProtocolHeader(1, 0, 10));

As far as I can understand, the AMQP version is fixed and cannot be parametered, so why the
java client is said to be compatible with version 0-9 ?
Thank you for the explanation.

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