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| Client Applications loose connection to MQ QManager |
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| indrakshi |
 Posted: Wed Dec 11, 2002 7:19 pm Post subject: Client Applications loose connection to MQ QManager |
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Newbie
Joined: 11 Dec 2002
Posts: 4
Location: Virginia
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We have a QMGR(5.1) on a unix box. Client applications from 4 different NT machines write/read messages to these QMGR's queues.
Recently we have a problem with the client loosing connection to the QMGR quite frequently. The only solution is to stop the client and restart it. Unfortunately the client application was not coded to try to reestablish the connection if it looses the connection. It runs on an assumption that once it connects to QMGR, it will stay connected until it is stopped. This has worked for more than an year; The problem started recently.
Is there a way to fix this problem without changing the application. Is there any parameter that can be changed to accomplish this. If I have to try changing the heartbeatInterval on the SRVRCONN, would that be of any use. Right now it is set to 300, if I have to change, what would I change it to.
Thanx for all the help |
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| bower5932 |
| Posted: Thu Dec 12, 2002 5:50 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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If you are running MQ 5.1, you really need to move forward. This version of the code is no longer supported. The newer versions 5.2 and (especially) 5.3 have quite a few enhancements regarding the communication between client and server.
As far as why it just started to fail, have you installed any operating system patches recently? It could also be resource related if you installed some additional applications. Are there any FDC files generated? They might also shed some light. |
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