[rabbitmq-discuss] STOMP 1.1 Repeated Headers

Guy M. Allard allard.guy.m at gmail.com
Fri Nov 18 12:10:02 GMT 2011

I agree that is a possible interpretation of the spec.

The spec could also be read as:  brokers forward as is,  clients deal 
with the 'SHOULD use only the first' part.

I am testing a 1.1 client against Rabbit and Apollo.  The behavior is 

This implementation does seem to imply that a client can not ever act as 
a pure server-to-server transfer mechanism.

I will deal with either.  Thanks for the info that this is expected.

On 11/18/2011 01:40 AM, Lionel Cons wrote:
> gmallard<allard.guy.m at gmail.com>  writes:
>> I establish a 1.1 level connection, and send a frame:
>> destination:/queue/tq
>> dupkey1:latest
>> dupkey1:before1
>> dupkey1:before2
>> Payload.^@
>> Later I SUBSCRIBE, and receive that message.
>> When the MESSAGE frame comes off the wire, I expect to see all three
>> of those 'dupkey1' headers, in order.  I do not.  Only the first of
>> the 'dupkey1' headers is present.
> To my understanding, this is compatible with the STOMP 1.1 spec that
> says that, in case of repeated header entries, "only the first header
> entry SHOULD be used as the value". So RabbitMQ just considers "latest"
> as the value for dupkey1. When it later sends the MESSAGE frame, only
> this value is sent.
> Cheers,
> Lionel

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