Is it possible for a Visual Basic program to talk to EJB thru SOAP/XML? That is, build a presentation layer with VB and business layer with EJB?
The scenario of building a presentation layer with VB and a business layer with EJB and communicating between the two with SOAP/XML is quite possible and, in fact, not a bad idea. However, this scenario assumes that the EJBs in the business layer can understand and respond to SOAP requests. EJBs do not natively speak "SOAP", so there must be some additional work performed to transpose SOAP requests to EJB method calls.
Editor's note: Click here for SOAP/WSDL expert Anne Thomas Manes' answer to this question.
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