title: Eclipse Kepler Strange Compilation Error : Undefined method for the type
body: <p>I got a strange compilation error using Eclipse Kepler Service Release 2. It keep saying that one of my method was undefined for the type of my class. The strange thing is, when I lookup the class, it has the method that the eclipse complain missing. Here is the screenshot: 
  <img src="https://i.stack.imgur.com/ENzBA.png" alt="Eclipse Strange Compilation Error"></p>
  
  <p>Here is the interface of serviceNotification: 
  <img src="https://i.stack.imgur.com/Sqhlh.png" alt="serviceNotification interface"></p>
  
  <p>Does anyone have experience this strange compilation error? Any comment and suggestion will be appreciated.
  Thanks and regards.</p>