No service is available at this URL--Calculator.jws

[H.Z]

Hello,
   
  I copy Calculator.java to my webapp directory, and rename it "Calculator.jws".
  Then 
  http://localhost:8080/axis/Calculator.jws
   
  I get "No service is available at this URL".
  However I tried another example "EchoHeaders.jws" that is included in the 
installation package. It does work.
   
  Why?
   
  Thanks

       
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