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Forum to discuss building external web applications for SalesLogix. View the code of conduct for posting guidelines.
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Webservice called twice 
Posted: 12 Dec 06 7:33 AM
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fiogf49gjkf0d I am using a soap call within SLX 6.1 to call a webservice. The problem is
that the webservice appears to be called twice. My webservice calls some
external C# code that performs alot of DB read/writes. I've included a snippet
of my soap call. Any ideas? TIA -Preston
Sub btnContinueClick(Sender)
Dim soapClient
Set soapClient = CreateObject("MSSOAP.soapClient")
soapClient.mssoapinit "http://servername/SLX/SLXWebSvc.asmx?WSDL"
soapclient.TransmitData(editBatchDate.Text)
End Sub |
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Re: Webservice called twice
Posted: 02 Jan 07 12:59 PM
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fiogf49gjkf0d How are you determining that it is called twice?
Just speculating but in IIS you would see two HTTP hits using SOAPClient since the initial hit is to get the WSDL and the second is the call after the proxy is created (or whatever that was called back with SOAPClient)
1. soapClient.mssoapinit "http://servername/SLX/SLXWebSvc.asmx?WSDL"
2. soapclient.TransmitData(editBatchDate.Text) |
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Re: Webservice called twice
Posted: 02 Jan 07 1:15 PM
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fiogf49gjkf0d Initially, I noticed the problem simply by monitoring some xml files that the webservice creates on a local drive. I noticed the files being created and then overwritten with the same data. After seeing this, I added some logging to a C# constuctor called from the webservice. The logging shows the constructor being called twice. The constructor is referenced only once by the webservice. |
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Re: Webservice called twice
Posted: 02 Jan 07 2:03 PM
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fiogf49gjkf0d I'd check the IIS logs as well to see if the traffic indicates two passes.
Also, could it be as simple as the user double-clicking the button in SLX? I had that problem once, I spent quite a bit of time trying to see why my code was executing twice. It turned out to be that the user was double-clicking the button and the event was firing twice. That was in v5x, not sure if the same is even still possible in the v6/v7 world. |
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Re: Webservice called twice
Posted: 03 Jan 07 12:44 PM
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fiogf49gjkf0d Preston,
One last idea - possibly far fetched (?).  Are you using any services such as TS, Citrix, Load Balancing? Depending on architecture/code implementation, instanciation of objects can be duplicated (looks like a split) when objects were already in play from previous usage. (i.e. DLL, exe, out-of -process objects, DLLHost/W3pe.exe per port isolated...) You would need to investigate IIS configuration (or MuteX properties for object behavior) in that case.
Carla
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