[rabbitmq-discuss] STOMP perl headers-example-[recv|send].pl don't work - all messages are routed
simon at rabbitmq.com
Wed Feb 12 16:02:15 GMT 2014
On 12/02/14 06:03, Guido Brugnara wrote:
> The second message was not to be routed because X-header1='white' in
> sent is different to X-B-header1='red' in subscribe! to destination
> Or am I that I did not understand the use of 'exchange' of type 'headers'?
You understand the headers exchange type fine. However, this example is
badly out of date.
STOMP says very little about broker semantics. Prior to RabbitMQ 2.2.0,
the STOMP adapter implemented a very AMQP-ish set of semantics. This
allowed you to use all the flexibility of AMQP over STOMP, but it was
badly incompatible with what the other STOMP brokers (in particular
ActiveMQ) were doing.
In RabbitMQ 2.2.0 we rewrote the STOMP adapter to use semantics that
were much more similar to what other brokers do. Unfortunately this
meant you could not longer bind a queue to an exchange with binding
arguments via STOMP. This makes the headers exchange type rather less
useful over STOMP. You can predeclare queues and bind them using AMQP or
HTTP, and then SUBSCRIBE via STOMP, but that's obviously not ideal.
Unfortunately this example predates this change. We should probably just
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