Hi, @Surendiran Balasubramanian , If the java web service has a WSDL document, then we can generate a proxy class through its WSDL document to call the java web service in C#:
Through the above steps, a proxy class will be generated in the project, and we can call java web service through this proxy class. There is a similar problem in this link, if you have any questions, you can refer to it.
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Best regards,
Peng Ding