How to communicate between Apache-SOAP and MSSOAP.(newbie)

[Xiaosi Zhang <zh...@yahoo.com>]

Hi,

I'm using Apache-soap-2_1 with Tomcat3_2_1, and MS
SOAPToolkit2.0. Now I want to communicate between
them. For example, I run a Calculator service(an
example included in the soap package) with Apache Soap
on the server side. 
Then, I want to run the Calculator program of MS
Soap(also included in MS Soap package) on the client
side. In the popped out frame, I filled with 
http://serverhost:8080/soap/servlet/rpcrouter
and click the "Add,Multiply,Subtract,Divide" button.
The error is following: 
Run-time error"91":
Object variable or With block variable not set.

If you did such work before, please give me a hand. 
Any hint is appreciated. 

Best regards.

Xiaosi

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