title: Could not find or load main class com.google.appengine.tools.development.DevAppServerMain
body: <p>When I try to debug java google app engine application in eclipse , it is not starting and throwing following exception.
  Could not find or load main class com.google.appengine.tools.development.DevAppServerMain</p>
  
  <p>But it is starting when I run/debug as maven build, but this is not hitting the debug points...</p>
  
  <p>Can anyone tell me how to debug google app?</p>
  
  <p>Thanks in advance</p>