[rabbitmq-discuss] Integration of SAP XI with RabbitMQ

Mon Jul 11 20:00:06 BST 2011

Thanks very much Lynton!

I assume you meant RPC not RFC ;-)

On Mon, Jul 11, 2011 at 7:28 PM, Lynton Grice <lynton.grice at ls-cs.com> wrote:
>  Hi Rishi,
>
> I am a SAP XI consultant in Johannesburg and also play around with RabbitMQ
> when I get a chance.
>
> Your question is very interesting, and one that I have wondered about
> before. Obviously the long term approach would be to develop a sender /
> receiver Java adapter for SAP XI / PI to handle the AMQP communication, but
> the disadvantage here is that adapter development can be tricky and has a
> relatively steep learning curve. But if you have the skills I say go for it.
>
> I have not been following the current "adapters" for RabbitMQ, but I would
> imagine that putting some sort of RESTful / HTTP interface using something
> like MochiWeb would be pretty simple to talk to from a SAP XI HTTP adapter.
> I know this is not perfect but an option nevertheless.
>
> Sending messages from RabbitMQ to SAP XI would be very easy from a proof of
> concept point of view. As you already know you would simple build up the URL
> to post the XML message to using the correct channel, sender service, sender
> interface etc in the
>
> http://<server>:<port>/XISOAPAdapter/MessageServlet?channel=:<service>:<sender_channle>&version=3.0&Sender.Service=<service>&Interface=<namespace><interface_name>
>
> Writing an "adapter" for RabbitMQ that takes messages off a queue and sends
> them to a configurable URL like the one above should not be too hard.
>
> A question for you: What format would the messages be in on the RabbitMQ
> queue? Already in "SAP XI XML" format?
>
> The bottomline is their are many ways one could do this, if you had to ask
> me my choice I would choose between the following 2:
>
> 1. Create a custom Java adapter for both the sender AMQP and receiver AMQP
> adapter
>
> 2. On the next option I speak from experience in doing it and it works
> great:
>        - Create an RFC Server in C / C++. This could be called from SAP XI
> and pass the messages to it, from there you would simple use some RabbitMQ
> API to send the messages to RabbitMQ
>        - For sending messages to SAP I would just post the message straight
> to SAP XI using something like the URL above. You could easily write such a
> HTTP client in Erlang (or Python etc) and "plug it in as an adapter" to
> RabbitMQ.
>
> Let me brainstorm it a little more, but feel free to email me and we can
> discuss this more to get the best answer.
>
> Lynton
>
>
> On 11/07/2011 18:05, Alexis Richardson wrote:
>>
>> Rishi
>>
>> I have bcc'd someone who may be able to advise you.
>>
>> alexis
>>
>>
>> On Fri, Jul 8, 2011 at 9:21 PM, RishiDev<rishdev at gmail.com>  wrote:
>>>
>>> To certain extent I believe the question should go to SAPXI community.
>>> And we have already raised a ticket with them, but still I wanted to
>>> quickly check if someone from our RabbitMQ community has some tips to
>>> share.
>>>
>>> On Jul 8, 1:36 pm, RishiDev<rish... at gmail.com>  wrote:
>>>>
>>>> Hi,
>>>>
>>>> Our organization has SAP XI 7.0 systems which sends various messages
>>>> to other systems across the enterprise.
>>>> For better performance, reliability and message compression etc
>>>> abilities we are trying to move from ActiveMQ to RabbitMQ. Having SAP
>>>> XI talk to ActiveMQ was easy by using JMS type communication channel
>>>> configured in XI. I want to learn from the group, what is best&
>>>> recommended approach for SAPXI to Rabbit integration.
>>>>
>>>> I know that we can use QPID (I haven't tried yet though) and get a JMS
>>>> kind of integration between SAPXI and Rabbit, but I would love it, if
>>>> we can have a pure AMQP base communication and avoid JMS.
>>>>
>>>> I will appreciate any help for what approach and how (to follow) to
>>>> integrate SAPXI with Rabbit.
>>>>
>>>> Thank you.
>>>> Rishi
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>>>>
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>>>
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>
>