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QC deadqueue debugging
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Steven
Hi,
I have a vb.net 2003 queued component system on Win2k Server. It is
sending string messages. Upon occasion, a message winds up in the deadqueue
and I am trying to determine why. So far, when I attempt to read the
message with the following code; the code throws a System.Xml.XmlException.
The exception message is 'Invalid character, line 1, position 5'. How can I
read the message to see what is in line 1, position 5?

Dim queue As New MessageQueue(".\" & TreeView1.SelectedNode.Parent.Text)
queue.Formatter = New XmlMessageFormatter(New String() {"System.String"})

Dim qenum As MessageEnumerator

qenum = queue.GetMessageEnumerator

While qenum.MoveNext

Dim m As Message = qenum.Current

If m.Label = TreeView1.SelectedNode.Text Then

txtBody.Text = m.Body <== error thrown here

End IF

Exit While
Reply to this message...
 
    
DaveS (VIP)
It fails because the queue message is not your string only - rather its the
recording of the calls to the queued component (that's what queued components
does for you).
I've found the best way to debug is to attach to the process in com+ running
your dll (either the app or in the case of a server app, its dllhost.exe)
with vs.net and then run a vb script like the following to throw the
deadqueue messages back to the app queue.
HTH

' This script should be setup to run upon system bootup in windows task
scheduler
Dim objMsgMover
dim lMessagesMoved
Set objMsgMover = CreateObject("QC.MessageMover")

objMsgMover.SourcePath = ".\private$\myapp_deadqueue"
objMsgMover.DestPath = ".\myapp"

lMessagesMoved = objMsgMover.MoveMessages

WScript.Echo lMessagesMoved & " messages moved from '" &
objMsgMover.SourcePath & "' to '" & objMsgMover.DestPath & "'."

Set objMsgMover = Nothing

"Steven" wrote:

[Original message clipped]
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System.Messaging.MessageEnumerator
System.Messaging.MessageQueue
System.Messaging.XmlMessageFormatter
System.String
System.Xml.XmlException




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