THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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java2wsdl -o hello.wsdl -t http://cxf.apache.org org.apache.hello_world_soap_http.Greeter
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In CXF we have a Maven plugin, called "cxf-codegen-plugin", which includes a "java2wsdl" goal. You can find more information in Maven Integration and Plugin Using CXF with maven.