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| Channel Table as a solution? |
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| JTski |
 Posted: Thu Feb 05, 2004 5:04 pm Post subject: Channel Table as a solution? |
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Novice
Joined: 04 Feb 2004
Posts: 14
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----- Sorry for the dup post. Put this in another forum by accident. ------
Hi all,
MQSeries Client v.5.2 CSD08
Client and app running on W2K server
App written in VB6
Please excuse my complete ignorance but I have been planted into some MQSeries work that is a bit over my head as I have little experience but am making every effort to get it done. And done right.
I have a situation where the application currently connects to various queues on one queue manager. Setting the envir variable
MQSERVER=channelName/TCP/serverName(1414) works just great. Now I need to interface to a queue manager at a third party site. Physically out of site. Different queue manager name, channel, and server. I am dynamically building the connection info and using MQCONNXAny without an issue. When I use MQAX200.MQSession.AccessQueueManager and pass it the name of the queue manager of the thrid party site I am trying to access I get a 2058.
Is it correct to assume that it is using the channelName in the environment variable and the queue manager I am passing it? So is it looking to my local mq server and requesting a q manager session by the name that does not exist (the third party q manager name)?
Can I get around this by deleting the MQSERVER variable on the client and creating a MQCHLTAB variable? Then in that .tab file list these two entries?
I've been digging info up but am still a bit confused.
Sorry, as a note, I changed the MQSERVER envir to match the info of the client and the meassage got to them with no issue. I guess I need a tutorial on how to setup that channel def table if that is indeed an option.
Thanks .... |
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| JTski |
| Posted: Thu Feb 05, 2004 5:21 pm Post subject: |
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Novice
Joined: 04 Feb 2004
Posts: 14
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I think my hopes were just crushed. I was surfing along and think I found the fact that on the client you cannot have more than one simple channel defined. Does that sound right?
Sound I can have only one channel defined but many q managers?
Not a many channel definition to many q manager scenerio? |
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| pgorak |
| Posted: Fri Feb 06, 2004 3:04 am Post subject: |
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Disciple
Joined: 15 Jul 2002
Posts: 158
Location: Cracow, Poland
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Hi,
First of all, I'am a bit surprised you cannot do this with MQCONNX and MQCD. But I've never tried it myself 
However, I tried connecting to two remote queue managers using one channel definition table and I saw it work. You can use this approach if your IPs/port numbers are fixed, at least fixed for a reasonable period of time.
Piotr
_________________
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IBM Certified Solution Developer WebSphere MQ 5.3 |
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| PeterPotkay |
| Posted: Fri Feb 06, 2004 1:04 pm Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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If you are using channel tables, or coding the MQCONNX call, an MQClient can connect to more than one QM. I have Java applets and VB.NET apps that connect to 20 queue managers at a time.
_________________
Peter Potkay
Keep Calm and MQ On |
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| JasonE |
| Posted: Mon Feb 09, 2004 2:39 am Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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| Quote: |
MQSERVER=channelName/TCP/serverName(1414) works just great.
When I use MQAX200.MQSession.AccessQueueManager and pass it the name of the queue manager of the thrid party site I am trying to access I get a 2058. |
There is no reason a MQCONNX couldnt connect to a different qmgr, and you dont need to mix MQSERVER with it. However, if you are using the MQAX200 COM interface, I'm not sure how you would do a mqconnx.
But in VB, look at the new sample with v5.3, amqscnxb.vbp, which demonstrates use of the MQCONNX call from VB.
Channel tables would work similar to the MQSERVER env var, ie define multiple CLNTCONNs on one of the qmgrs (one CLNTCONN per qmgr you wish to connect to), copy the channel table from that qmgr onto the client, and set up MQCHLLIB and MQCHLTAB |
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