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| elikatz |
 Posted: Thu May 21, 2009 8:35 am Post subject: MQ client connecting to v5.3 and v6 together |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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hi all,
we application that connects to both mq v5.3 and mq v.6
we are experiencing some issues and we are not sure if this is the problem.
both mq servers are installed on windows 2003, client is written in java.
is it possible to mix 2 connection to 2 different versions?
thanks... |
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| WMBDEV1 |
| Posted: Thu May 21, 2009 8:58 am Post subject: |
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Sentinel
Joined: 05 Mar 2009
Posts: 888
Location: UK
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It is possible but obviously 5.3 is no longer supported.
What issues are you having? |
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| WMBDEV1 |
| Posted: Thu May 21, 2009 9:04 am Post subject: |
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Sentinel
Joined: 05 Mar 2009
Posts: 888
Location: UK
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| Quote: |
is it possible to mix 2 connection to 2 different versions?
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didnt read this line.
Is this in the same app? sometimes it puts to v5 and sometimes to v6? |
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| elikatz |
| Posted: Thu May 21, 2009 9:12 am Post subject: |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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We have the same application putting and pulling messages from both v5.3 and v6.
the reason is we are in process of moving to version 6 but we can't cut-over so we are moving the traffic from 5 to 6 in a slow process. |
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| Vitor |
| Posted: Thu May 21, 2009 9:21 am Post subject: Re: MQ client connecting to v5.3 and v6 together |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| elikatz wrote: |
| client is written in java. |
It might be possible to do something interesting with CLASSPATH to use 2 versions (though obviously not at the same time!)
| elikatz wrote: |
is it possible to mix 2 connection to 2 different versions?
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You shouldn't need to; a v6 client is perfectly capable of connecting to and using a v5.3 queue manager; I've seen it done for exactly the reason you give.
Without knowing more about your issues it's hard to comment on possible causes.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| elikatz |
| Posted: Thu May 21, 2009 9:38 am Post subject: |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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thanks for you response.
most common problem we have is error 2195. |
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| Vitor |
| Posted: Thu May 21, 2009 10:02 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| elikatz wrote: |
| most common problem we have is error 2195. |
Interesting.
There should be an FDC file produced along with that with additional information.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| elikatz |
| Posted: Thu May 21, 2009 10:36 am Post subject: |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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that is exactly my problem as the mq administrator...
there is no indication from the server side at all, only on the client side. |
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| elikatz |
| Posted: Sun May 24, 2009 6:50 am Post subject: |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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hi all,
we are still investigating this, do you have more thoughts/ideas?
thanks again... |
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| mqjeff |
| Posted: Sun May 24, 2009 7:09 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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Make sure the client is not using the MQ v5.3 libraries, but the MQ v6 libraries.
Or at least make sure the client is using the LAST fixpack of MQ v5.3.
And trout yourself if you find the client is using MQ v5.3 CSD7, 8, 9, or 10. |
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| elikatz |
| Posted: Sun May 24, 2009 7:41 am Post subject: |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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| v6 libraries will handle connections to 5.3 and 6 server on the same time? |
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| Vitor |
| Posted: Sun May 24, 2009 9:07 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| elikatz wrote: |
| v6 libraries will handle connections to 5.3 and 6 server on the same time? |
As I said above; an app using the v6 client should connect (and in my experience does connect) to a v5.3 or a v6 queue manager equally.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| fjb_saper |
| Posted: Sun May 24, 2009 4:25 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| elikatz wrote: |
| v6 libraries will handle connections to 5.3 and 6 server on the same time? |
You need to do a client connection to both qmgrs.
You are only allowed bindings connection to the same single qmgr at a time in the same JVM.
Have fun 
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MQ & Broker admin |
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| Vitor |
| Posted: Mon May 25, 2009 12:40 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| fjb_saper wrote: |
You need to do a client connection to both qmgrs.
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I should have been clearer. 
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| elikatz |
| Posted: Mon May 25, 2009 11:02 am Post subject: |
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Voyager
Joined: 24 Feb 2009
Posts: 86
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hi guys,
sorry to be pane but i want to be sure i understand:
it is impossible to connect to 2 different mq versions in parallel? |
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