title: java.lang.OutOfMemoryError: Java heap space while generating reports
body: <p>I am trying to generate HTML reports from txt format reports that were generated after executing junit test cases. On running ant command with build.xml in proper location, I am getting  below error message</p>
  
  <pre><code>java.lang.OutOfMemoryError: Java heap space
  </code></pre>
  
  <p>I tried increasing heap space by <code>ANT_OPTS=-Xmx1024m</code> command.</p>
  
  <p>Still facing the same issue.</p>