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| mreddington |
 Posted: Tue Nov 21, 2006 6:13 am Post subject: Tracing the messages |
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Voyager
Joined: 14 Aug 2006
Posts: 78
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Hi all,
1. Is there a way to trace messages from the source queue manager to the destination manager, by the MQ administrator?
2. What are the conditions to do the trace?
3. Is there a way that i can capture the trace result into a file?
4. What is the syntax to do a trace?
I appreciate your reply.
Thank you all. |
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| jefflowrey |
| Posted: Tue Nov 21, 2006 6:20 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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In version 6 of WMQ, yes.
You will find all the information you need in the MQ Info Center.
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I am *not* the model of the modern major general. |
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| wschutz |
| Posted: Tue Nov 21, 2006 7:49 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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and start with "dspmqrte" .... 
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-wayne |
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| mreddington |
| Posted: Tue Nov 21, 2006 8:14 am Post subject: dspmqrte |
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Voyager
Joined: 14 Aug 2006
Posts: 78
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Thank you for your reply guys. How can this command "dspmqrte" be used? Is there anything which i need to know before using this command?
I don't want to mess up anything in my current environment before doing that. Please adivse...
Thank you |
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| jefflowrey |
| Posted: Tue Nov 21, 2006 8:16 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Go to the MQ Info Center.
Put "dsmpqtre" into the "search" box.
Read.
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| wschutz |
| Posted: Tue Nov 21, 2006 12:43 pm Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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| jefflowrey wrote: |
Go to the MQ Info Center.
Put "dsmpqtre" into the "search" box.
Read. |
well... I'd try "dspmqrte"
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| jefflowrey |
| Posted: Tue Nov 21, 2006 4:05 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| wschutz wrote: |
| jefflowrey wrote: |
Go to the MQ Info Center.
Put "dsmpqtre" into the "search" box.
Read. |
well... I'd try "dspmqrte" |
I suppose you'd even be correct, then, too.
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| nce |
| Posted: Tue Nov 28, 2006 10:17 pm Post subject: |
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Newbie
Joined: 12 Jan 2006
Posts: 6
Location: Belgium
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| And in 5.3 ?????? |
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| Vitor |
| Posted: Wed Nov 29, 2006 12:39 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| nce wrote: |
| And in 5.3 ?????? |
Uprade to v6.
Follow the steps above.
AFAIK it's new for v6. Prior to that you have to roll your own.... 
(IMHO upgrading would be faster, more likely to work and less likely to drive you insane)
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Insanity is the best defence. |
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| Michael Dag |
| Posted: Wed Nov 29, 2006 3:20 am Post subject: Re: Tracing the messages |
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Jedi Knight
Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
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| mreddington wrote: |
Hi all,
1. Is there a way to trace messages from the source queue manager to the destination manager, by the MQ administrator?
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AFAIK dspmqrte traces the route, NOT the actual messages!
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Michael
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| jefflowrey |
| Posted: Wed Nov 29, 2006 3:31 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Right, dspmqrte does trace the route.
It does this by sending messages that get traced.
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| Michael Dag |
| Posted: Wed Nov 29, 2006 3:39 am Post subject: |
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Jedi Knight
Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
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| jefflowrey wrote: |
Right, dspmqrte does trace the route.
It does this by sending messages that get traced. |
sure, but it doesn't answer the question from an application which sent message A to X , where is message A now?
for that you need something like transaction vision or similar products.
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| jefflowrey |
| Posted: Wed Nov 29, 2006 4:32 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| MichaelDag wrote: |
sure, but it doesn't answer the question from an application which sent message A to X , where is message A now?
for that you need something like transaction vision or similar products. |
Or to code your programs to meet the non-fuctional requirement of having all messages be traceable, and use the same provisions that dspmqrte uses to send messages that get traced.
Otherwise, yes, in v5.3 you need to distribute an API exit to all your queue managers, and have that API exit report on all message activity to a centralized data repository. TransactionVision is one such product that does that.
The better alternative to either of these, though, is to ensure that applications provide sufficient logging of what messages they send where, and have that information loaded into a centralized repository. MQ is deterministic about where messages go, and so if you know exactly how the message was addressed, you know how to find your message.
Transaction Logging is also a useful feature to implement in an Enterprise Service Bus - in part because you can implement it relatively simply in a single place rather than having to distribute the workload.
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