title: Eclipse conditional breakpoint compilation error "==" invalid AssignmentOperator
body: <p>So if I got it right, you're supposed to use a boolean expression for the condition. Yet when I try to use <code>impact == null</code> I get the following error:</p>
  
  <pre><code>Conditional breakpoint has compilation error(s).
  
  Reason:
  Syntax error on token "==", invalid AssignmentOperator.
  </code></pre>
  
  <p>What gives? What did I do wrong, and how do I fix it?</p>