Actually I used this code to access this web service FahrenheitToCelsius Method, am getting the correct response, but when I tried to access my webservice am getting
I searched a lot but couldn't find any specific solution. I solved my problem by downloading new server package(of same version) and replaced the previous server package by new one .(about Apache tomcat 7)
The HTTP Status: 500 is an internal server error and it probably has something to do with your .NET server side coding.
change VER10 to VER11. SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11) working for me