Edit Source Lookup 
 Select the Edit Source Lookup...  command [  ] to open the Source Path Dialog, which allows you to make changes to the source lookup path of the selected debug target.
 ] to open the Source Path Dialog, which allows you to make changes to the source lookup path of the selected debug target. 
The Source Path Dialog:
 
 
  Debugger
  Local debugging
  Remote debugging
  Changing debugger launch options
  Connecting to a remote VM with the Remote Java application launch configuration
  Disconnecting from a VM
  Launching a Java program
  Preparing to debug
  Resuming the execution of suspended threads
  Running and debugging
  Stepping through the execution of a program
  Suspending threads
  Debug View
  Debug preferences