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| Error while getting msg from a queue when it's empty(VB.net) |
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Message
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| vandemon |
 Posted: Tue Jul 06, 2010 7:09 pm Post subject: Error while getting msg from a queue when it's empty(VB.net) |
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Apprentice
Joined: 14 Jun 2010
Posts: 32
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I face problem in controlling when i tried to get msg from queue...
| Code: |
Private Sub btnGet_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGet.Click
Dim mqMsg As MQMessage
Dim mqGetMsgO As MQGetMessageOptions
mqMsg = New MQMessage()
mqGetMsgO = New MQGetMessageOptions()
Try
mqQueue.Get(mqMsg, mqGetMsgO)
lstGet.Items.Add(mqMsg.ReadString(mqMsg.MessageLength))
lstGet.SelectedIndex += 1
cboAPIRC.Items.Insert(0, "Message successfully get from queue")
cboAPIRC.SelectedIndex = 0
Catch ex As MQException
cboAPIRC.Items.Insert(0, "MQError in getting message from queue")
cboAPIRC.SelectedIndex = 0
Catch ex As Exception
cboAPIRC.Items.Insert(0, "Error in getting message from queue")
cboAPIRC.SelectedIndex = 0
End Try
End Sub |
My problem:
When i try to get from queue when it is empty, it should jump to either MQException or Exception right?? But it seems to stuck at
| Code: |
| mqQueue.Get(mqMsg, mqGetMsgO) |
and did not jump to MQException or Exception.
Any suggestion??? |
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| fatherjack |
| Posted: Tue Jul 06, 2010 10:59 pm Post subject: |
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Knight
Joined: 14 Apr 2010
Posts: 522
Location: Craggy Island
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Where are you setting the GET wait interval ?
_________________
Never let the facts get in the way of a good theory. |
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| vandemon |
| Posted: Tue Jul 06, 2010 11:19 pm Post subject: |
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Apprentice
Joined: 14 Jun 2010
Posts: 32
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I did not set it...
I assume it as MQC.MQGMO_NO_WAIT |
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| Vitor |
| Posted: Wed Jul 07, 2010 3:56 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| vandemon wrote: |
I did not set it...
I assume it as MQC.MQGMO_NO_WAIT |
Why assume? Why not set it?
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| bruce2359 |
| Posted: Wed Jul 07, 2010 6:16 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9470
Location: US: west coast, almost. Otherwise, enroute.
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| Quote: |
| I assume it as MQC.MQGMO_NO_WAIT |
And did you verify your assumption by doing research? Take a look at the WMQ Application Programming Reference for MQGMO. Or the WMQ Constants manual.
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ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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