java.lang.noclassdeffounderror in consume the web service by using vb.net

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hi

Requirement : need to request HTTP request to out side the Network (central bank communication)

Central bank is having the webservice (.jws extension) application to communicate between all the banks.

we are develope the webservice client by using vb.net 3.5, when we trying to consume the central bank web service we are getting the below error.
"java.lang.NoClassDefFoundError"

we have open the firewall but till we are getting the same error.

I ask central bank technical team to provide the corresponding WSDL file based on this i was generate the corresponding vb.net file to communicate central bank web service. This case i am getting the below error.
"the underlying connection was closed an unexpected error occurred on a receive"

please help me to resolve these issue.

Regards
Vadivelan .M

Posted 19-Mar-12 4:29am

vijimvv1

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TorstenH. · Answer 1 · 2012-03-19T05:47:00

There must be a difference between what you are calling and what the Java based Webservice on the other side has implemented.

A "ClassDefNotFoundError" is a clear sign for you calling or sending something that is not to be found on the other side.

You need to align the documentation with the client.