title: IntelliJ not recognising JDK version
body: <p>I have write one java project on IntelliJ idea 8.1.1.When I go to compile option of IntelliJ IDEA 8.1.1 then it shows pop-up message box, in that it shows error-</p>
  
  <blockquote>
    <p>cannot determine version for JDK
    <br>Update JDK configuration.</p>
  </blockquote>
  
  <p>Even though I have proper JDK version, I have jdk1.5.0 installed in my PC working properly with other environment.
  Please suggest any settings that I may need to change.</p>