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| Java Plugin and Queue Manager connection handle |
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| fitzcaraldo |
 Posted: Tue Oct 07, 2003 3:20 pm Post subject: Java Plugin and Queue Manager connection handle |
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Voyager
Joined: 05 May 2003
Posts: 98
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Hello,
In a Java Plugin that uses MQSeries, is the handle returned from an MQCONN the same as the one used by the broker? I suspect not.
If not, is it possible to get hold of the handle used by the broker. Its important that I am in the same unit of work. |
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| kirani |
| Posted: Tue Oct 07, 2003 8:35 pm Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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Good question! I guess the handle would be a different one. So if you want to do the transaction within the same UOW then you don't need any special code. In case of failure broker will automatically take care of rolling-back the transaction.
If you want your plug-in node's MQ action to be out of UOW then I guess you need to issue seperate commit call.
I have not tested this myself.
_________________
Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries
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| fitzcaraldo |
| Posted: Tue Oct 07, 2003 10:42 pm Post subject: |
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Voyager
Joined: 05 May 2003
Posts: 98
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Sorry, I wasn't very clear.
In my plugin, when I issue the following call:
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qMgr = new MQQueueManager(getBroker().getQueueManagerName());
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I was expecting an ALREADY_CONNECTED exception - but didn't get one. That means to me that I am getting a new connection rather than using the existing one. This is problematic as I want to participate in the same unit of work as the flow I am running within.
Is there a way of getting access to the already connection MQQueueManager object? If not this is a big problem writing MQ-using plugins in Java - might have to resort to C! |
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| kirani |
| Posted: Wed Oct 08, 2003 11:10 pm Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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Sorry, if I wasn't clear enough in my post. What I was trying to say is you don't need to do anything to participate in the same UOW in your plug-in node. It will be taken care by the broker automatically.
_________________
Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries
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