title: Java EE Open Source project to learn from?
body: <p>I'am trying to dive deeper into Java EE,
  so i was browsing <a href="http://www.sourceforge.net" rel="nofollow">SourceForge</a> to look for a project 
  that can help me see how  components fit together
  so if comeone could point out a specific open source project
  or any other resource that can help me with this.</p>