title: How to resolve when getting Red 'X' mark on the icon in project,
body: <p>I have a Java Maven project where it has Red 'X' mark on the icon in project(s).</p>
  
  <p>However, I can not see error on the packages, class etc.
  I checked project > properties and the library list and there is no
  error there either.</p>
  
  <p>How do I find out what error the project is hitting?</p>