title: NoClassDefFoundError when project imported to Eclipse?
body: <p>I am working on an app which uses Commonslang.jar libraries. I was trying to setup it on a new system with newly installed Eclipse.The project is not showing any error But when I run the project it force closes with NoClassDefFoundError at each point where I use Commonslang lib.</p>
  
  <p>I dont know how to fix this problem.Please help?</p>