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For Professional or Enterprise JIRA installations: http://[Server]/JIRA/rpc/soap/JIRAsoapservicejirasoapservice-v2?wsdl
For the Standalone JIRA versions on XP, the link ismaybe something like this: http://localhost:8080/rpc/soap/JIRAsoapservicejirasoapservice-v2?wsdl
When this URL is entered into your browser, it should return an XML document, containing the wsdl for the soap service, if your JIRA server is incorrect configured it will display a warning page explaining that remote soap calls are currently disabled.
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