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MQCONN and Visual Basic
- Thread starter grasupt
- Start date
If they're using the VB samples that came with MQ, my first thought is that the queue manager is not set up properly.
They should also check out the CompCode and ReasonCode in the Application Programming Reference Summary & Application Programming Reference.
If the CompCode is MQCC_WARNING, that just means the Queue Manager is already connected.
Also, are they initializing all of the defaults?
Call MQ_SETDEFAULTS
Hope this helps. There could be a couple of other things that could cause problems, but more info would be needed. It definitely is possible to connect using VB and the samples IBM provides.
They should also check out the CompCode and ReasonCode in the Application Programming Reference Summary & Application Programming Reference.
If the CompCode is MQCC_WARNING, that just means the Queue Manager is already connected.
Also, are they initializing all of the defaults?
Call MQ_SETDEFAULTS
Hope this helps. There could be a couple of other things that could cause problems, but more info would be needed. It definitely is possible to connect using VB and the samples IBM provides.
- Thread starter
- #3
What exactly is your error?
Have you been using this in production and it's suddenly failing? Or are you developing your programs now and having difficulties connecting?
Your question and response are too vague to give you any sure answers.
When I read your question, it appeared that this was a development issue. If your people are developing from scratch, with the little info you provided, it is difficult to make any suggestions. However, the samples IBM provides can be used as a resource for developing production code. If your people are in the development phase and using these samples, I felt I might be able to make a few suggestions on what the issue might be. If they are in development and have not tried to use the samples, I would strongly recommend they give the samples a look if they cannot connect.
If you provide more info on the actual errors that are occuring and whether the code has ever worked, I'll try to help.
Have you been using this in production and it's suddenly failing? Or are you developing your programs now and having difficulties connecting?
Your question and response are too vague to give you any sure answers.
When I read your question, it appeared that this was a development issue. If your people are developing from scratch, with the little info you provided, it is difficult to make any suggestions. However, the samples IBM provides can be used as a resource for developing production code. If your people are in the development phase and using these samples, I felt I might be able to make a few suggestions on what the issue might be. If they are in development and have not tried to use the samples, I would strongly recommend they give the samples a look if they cannot connect.
If you provide more info on the actual errors that are occuring and whether the code has ever worked, I'll try to help.
Use this snippet of code to popup a helpful error message:
Code:
Dim MQsess As MQSession
Dim MQmgr As MQQueueManager
MQsess.ExceptionThreshold = 9999 ' Manual error handling
Set MQmgr = MQsess.AccessQueueManager("MYQUEUEMANAGER")
Select Case MQsess.CompletionCode
Case MQCC_OK, MQCC_WARNING
MsgBox "MQ Connect Successful!"
Case Else
MsgBox "MQ Connect Failed: " + MQsess.ReasonName
End Select- Status
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