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MQSeries.net Forum Index » General Discussion » WMQ, JMS and RFH2

WMQ, JMS and RFH2

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Gideon

Posted: Mon Sep 21, 2009 2:34 pm Post subject: WMQ, JMS and RFH2

Chevalier

Joined: 18 Aug 2009
Posts: 403

Apparently, when a JMS cleint sends to WMQ, it puts a RFH2 header (as opposed to a standard RFH), and some programs can not understand the structure, and treat the RFH2 as part of the payload.

Is there any way to resolve this problem inside of WMQ. Is there any way to strip the RFH2, etc

Thanks

PeterPotkay

Posted: Mon Sep 21, 2009 4:51 pm Post subject:

Poobah

Joined: 15 May 2001
Posts: 7722

Yes there is. You solve it at the sending side and not the receiving side. Suprisingly you are not the first person to have such a requirement, so you will find the problem and solution discussed on this ste already.

Its no IBM secret that we uncovered by the way. The MQ Java / JMS manual details this. http://publib.boulder.ibm.com/infocenter/wmqv7/v7r0/topic/com.ibm.mq.csqzaw.doc/uj10120_.htm
_________________
Peter Potkay
Keep Calm and MQ On

Gideon

Posted: Tue Sep 22, 2009 6:01 am Post subject:

Chevalier

Joined: 18 Aug 2009
Posts: 403

After reading your note and reviewing the link (and searching this site for RFH2 issues), are you basically saying Don't send JMS on the sending side ?

zpat

Posted: Tue Sep 22, 2009 6:10 am Post subject:

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

Make output messages non-JMS specific by using

q.setTargetClient(JMSC.MQJMS_CLIENT_NONJMS_MQ)

Use JMSTextMessages, not Bytes messages (unless handling binary data)

Gideon

Posted: Tue Sep 22, 2009 7:32 am Post subject:

Chevalier

Joined: 18 Aug 2009
Posts: 403

Thanks, that should work

I just found out the RFH version is stated on the RFHUTILC, apparently not the explorer browser.

Thanks for your help

zpat

Posted: Tue Sep 22, 2009 7:37 am Post subject:

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

You don't want any RFH header (in my opinion), you want MQSTR as the format in the MQMD format field for maximum compatibility.

Look at the MQMD tab in RFHUTIL. Check format is MQSTR, check the CCSID is correct for the message data. Check persistent is correct.

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