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MQSeries.net Forum Index » Mainframe, CICS, TXSeries » Get Message - skipping Message Header

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Get Message - skipping Message Header

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bower5932

Posted: Wed Mar 26, 2008 4:42 am Post subject:

Jedi Knight

Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA

christian witschel wrote:

What is bufferPos += rfh->StrucLength; doing. What is StrucLength?
As far as I know the RFH2 header is not fixed in size as it can contain addtional custom values.

The length is variable and StrucLength is how big it is. This is skipping over the header.

Vitor

Posted: Wed Mar 26, 2008 4:44 am Post subject:

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

Don't reopen year old threads - start a new one and refer back if you feel it's relevant.

christian witschel wrote:

can someone hint me how to correctly skip rfh and rfh2 headers in java?

Why would you want to? Use JMS and handle them automatically.

christian witschel wrote:

What is bufferPos += rfh->StrucLength; doing. What is StrucLength?

It's a field in the RFH2. I don't know if it's exposed via Java (because I don't know Java that well) but see above re: JMS.

christian witschel wrote:

As far as I know the RFH2 header is not fixed in size as it can contain addtional custom values.

That's why it contains it's length. See the APR for details.
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fjb_saper

Posted: Wed Mar 26, 2008 3:13 pm Post subject:

Grand High Poobah

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

jefflowrey wrote:

If you are getting messages from a Java program that is using JMS - the simplest solution is to ask them to set the TargetClient on their configuration to MQ, rather than JMS.

No programming change!

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jsware

Posted: Tue Apr 15, 2008 11:43 pm Post subject:

Chevalier

Joined: 17 May 2001
Posts: 455

christian witschel wrote:

What is bufferPos += rfh->StrucLength; doing. What is StrucLength?
As far as I know the RFH2 header is not fixed in size as it can contain addtional custom values.

StrucLength is a field in the header structure (see http://publib.boulder.ibm.com/infocenter/wmqv6/v6r0/topic/com.ibm.mq.csqzak.doc/js07150.htm). It tells you how long the whole header is. The += operator "a += b" is the same as "a = a + b" and I believe is available in Java too.
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