[rabbitmq-discuss] [openamq-dev] RPC compatibility of RabbitMQ with OpenAMQ

Thu Aug 13 08:39:26 BST 2009

Jim,

> Our group wants to make RPC-like calls from RabbitMQ to OpenAMQ.  
> Asynchronous
> direct calls work, and the RabbitMQ com.rabbitmq.client.RpcClient class 
> can send a
> message to the OpenAMQ server, but the OpenAMQ server's response is 
> never received
> by the RabbitMQ client.
> 
> Do you have any advice on making the RabbitMQ client get responses from 
> an OpenAMQ
> server?  Are RPC-like calls suppose to be compatible between 
> implementations, or is
> the standard flexible on that point?

The implementations are using different versions of AMQP protocol (0-8 
vs. 0-9-1) - that may be the cause of the problem.

Anyway, to see what's happening run amq_server with "-t 1 --debug_route 
1 --debug_queue 1" options and send us the resulting trace.

Martin