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| jms threads |
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| gavon stone |
 Posted: Wed Apr 13, 2005 8:12 am Post subject: jms threads |
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Novice
Joined: 09 Mar 2005
Posts: 16
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I am in the process of writing a multi threaded application using jms and websphere MQ 5.3 which is going to consist of different threads trying to access a queue simultaenously. I would like to know whether I have to worry about locking the queue or does websphere MQ have a built in mechanism that would only allow one thread to access the queue at any point in time.
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| jefflowrey |
| Posted: Wed Apr 13, 2005 8:24 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Are you running in a J2EE container, or in a standalone application using JMS?
Are you getting messages, or putting messages, or both?
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I am *not* the model of the modern major general. |
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| gavon stone |
| Posted: Wed Apr 13, 2005 9:55 am Post subject: jms threads |
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Joined: 09 Mar 2005
Posts: 16
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| I am using a stand alone jms program and all threads do puts and gets. |
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| vennela |
| Posted: Wed Apr 13, 2005 11:01 am Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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| AFAIK, one queue can be accessed by multiple applications (I think threads too) and one message will be given to only one application. |
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| jefflowrey |
| Posted: Wed Apr 13, 2005 11:05 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Okay, if you're doing gets from a standalone app, then I won't recommend you use MDBs.
Yes, you should be fine to put and get from queues from different threads, provided you make sure to use a shared option on the open (in the JMS queue destination definition).
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