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MQSeries.net Forum Index » IBM MQ Java / JMS » MQ API client => JMS consumer. Group of messages.

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Nikitich
PostPosted: Tue Jan 26, 2010 11:01 pm    Post subject: MQ API client => JMS consumer. Group of messages. Reply with quote

Newbie

Joined: 26 Jan 2010
Posts: 7

Dear All,

Context:
- WMQ v.6.0;
- MS Windows, .Net and Linux distributed environment;
- MS Win .Net client uses IBM MQ API to submit a group of messages;
- Linux JMS consumer wants to get it right.
- multiple threads.

Questions:
1. Is the above is possible without offline negotiations between client and consumer?

If - "Yes":
2. Could you please direct me with the links?

3. As a free extra:
Could you please elaborate ?

Thank you.

-
Nikitich
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mqjeff
PostPosted: Wed Jan 27, 2010 5:02 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

You're either asking for free training or for free consultation.

I'd give you a more elaborate answer, but I don't even know what "offline negotiations between client and consumer" means.

http://www-304.ibm.com/jct03001c/services/learning/ites.wss/zz/en?pageType=tp_search_results&rowStart=0&rowsToReturn=20&sortBy=&sortDirection=&searchString=MQ&Search=Search&countryGeo=&provider=&freeFee=&offeringType=

In general, an MQ app that is reading messages has a defined set of expectations about what those messages are. Just like a Web Service Provider has a defined set of expectations about what the messages it receives are. MQ doesn't require that you codify those into a WSDL, however.

In general, an MQ app that is sending messages has to write messages that meet the receiver's predefined set of expectations, just like a Web Service Consumer has to obey the wsdl.
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Nikitich
PostPosted: Wed Jan 27, 2010 10:00 am    Post subject: Reply with quote

Newbie

Joined: 26 Jan 2010
Posts: 7

mqjeff,

Thank you for the info and links.

I am not dealing with web services.

I already have client and consumer exchanging with group of messages, both using WMQ API, both - .Net based.
A new consumer need to be introduced; it is Java (JMS) based on Linux.

Will JMS consumer be able to consume the message groups without requiring changes to the existing WMQ API client ? (- 'offline negotiation', sorry for confusion).

I am asking for help, yes free one.
thank you.
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fjb_saper
PostPosted: Wed Jan 27, 2010 11:14 am    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

Have you prototyped it? What have you tried so far?
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Nikitich
PostPosted: Wed Jan 27, 2010 12:21 pm    Post subject: Reply with quote

Newbie

Joined: 26 Jan 2010
Posts: 7

The following article:
http://www.ibm.com/developerworks/websphere/library/techarticles/0602_currie/0602_currie.html
describes how to send/receive group of messages when both: sender and receiver are either MQ API or JMS based.

I have a mixed case: submitter is MQ API based and is not willing to make changes; receiver wants to stay at JMS to avoid specific IBM MQ API.

I cannot have JMS properties at consumer side as suggested in the article for a JMS receiver, because I have MQ API based submitter. Can I?

Thank you.
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fjb_saper
PostPosted: Wed Jan 27, 2010 2:41 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

Nikitich wrote:
The following article:
http://www.ibm.com/developerworks/websphere/library/techarticles/0602_currie/0602_currie.html
describes how to send/receive group of messages when both: sender and receiver are either MQ API or JMS based.

I have a mixed case: submitter is MQ API based and is not willing to make changes; receiver wants to stay at JMS to avoid specific IBM MQ API.

I cannot have JMS properties at consumer side as suggested in the article for a JMS receiver, because I have MQ API based submitter. Can I?

Thank you.

I don't see why the JMS consumer should not work when the messages are sent with the base API...
Again what have you tried?
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