title: Which version of Drools to use with JDK 1.7
body: <p>For a legacy  Java EE project I have to work with JDK 1.7 Since I want to add drools for managing business rules,  I'd like to know which is the latest drools release I can use for this project.</p>
  
  <p>I have tried with the following versions, and I can not compile the examples included in the release:</p>
  
  <p>6.5, 6.2, 6.1, 6.0, 5.6, 5.5</p>
  
  <p>Error: Unsupported major.minor version 52.0 </p>
  
  <p>This is my builpath:
  <a href="https://i.stack.imgur.com/GCeQI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GCeQI.png" alt="enter image description here"></a></p>
  
  <p>My JAVA_HOME is set to 1.8:</p>
  
  <p><a href="https://i.stack.imgur.com/BR4Nk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/BR4Nk.png" alt="enter image description here"></a></p>
  
  <p>Could this be the cause of the problem? or is the drools release incompatibility with JDK 1.7</p>
  
  <p>A lot of Thanks for your help.</p>