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| How to Print MQ Mesaage CorrelationId |
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| robiijohn |
 Posted: Thu Aug 14, 2008 10:58 pm Post subject: How to Print MQ Mesaage CorrelationId |
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Newbie
Joined: 13 Aug 2008
Posts: 7
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Hi All,
How can i Print the correlation Id of the MQ message ......
Since the correlation Id is in the byte format it is not printing the correct value....
Can Anybody help  |
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| David.Partridge |
| Posted: Thu Aug 14, 2008 11:33 pm Post subject: |
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Master
Joined: 28 Jun 2001
Posts: 249
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So use an appropriate printf pattern to format the hex bytes for display - it is certainly not a string - it's just binary data as far as you are concerned.
If you want to see an example of how to do this look at the source code for amqsbcg (amqsbcg0.c)
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David C. Partridge |
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| David.Partridge |
| Posted: Thu Aug 14, 2008 11:44 pm Post subject: |
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Master
Joined: 28 Jun 2001
Posts: 249
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Sorry, I forgot this the Java/JMS forum, so comments about C code aren't appropriate. You'll need to use some Java code to unpack the bytes and display them.
I'm afraid I don't have a suitable snippet of code to hand on this machine though.
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David C. Partridge |
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| fjb_saper |
| Posted: Fri Aug 15, 2008 12:50 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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use Byte.toHexString and check the length. Prefix with "0" where applicable and add to a StringBuffer. When done you should have a hex representation of the values (-128,+127) or 00 to FF.
And for the reverse operation use Byte.decode("0x"+hex(2))
Enjoy 
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