Eclipse Debugging and Trouble Shooting

Eclipse Debug
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> Click on a method call, object, variable? and barely see a light gray box on the right border of code window,
  showing other locations of it above and below

> window menu heading -> open perspective -> debug perspective
  use the play button and the stop button, set break points, step over
  hover over object/variable to see its values

  window -> close perspective


Trouble shooting
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> manifest tab at bottom, dependencies

> (right) click on project -> properties -> librraries -> plugin dependencies -> look for Xs
   may have to do a clean

> after updating project from svn (subversion repository) may net to click on each proj and do F5 refresh