title: Unable to execute Sonar: Caused by: Java heap space
body: <p>I am using Sonar Runner 2.2 and set <code>SONAR_RUNNER_OPTS=-Xmx8000m</code>, but I am getting the following error:</p>
  
  <pre><code>Final Memory: 17M/5389M
  INFO: ------------------------------------------------------------------------
  ERROR: Error during Sonar runner execution
  ERROR: Unable to execute Sonar
  ERROR: Caused by: Java heap space
  </code></pre>
  
  <p>How can this be?</p>