title: I am getting resource not on the buildpath of the project
body: <p>I am getting The resource is not on the buildpath of the project when I am trying to "Organize imports" or trying to access any class properties.
  I am building my project with ant.I tried to configure my buildpath in javabuilpath -> Projects but it is not showing me my src folder there.I am not able to use quick assist (ctrl + space) and class related properties because of the same reason
  and it does not show me any syntax errors also while i am writing my code.</p>
  
  <p>please help me.</p>
  
  <p>thanks</p>