title: Upgrading from sonarqube 4.4 to 4.5.1
body: <p>I'm upgrading sonarqube from v 4.4 to v 4.5.1 (regarding upgrade guide from sonar website). When I trying to lunch web server it stops suddenly. Did I miss something in conf file? </p>
  
  <p>See command line screen -> <a href="http://i.stack.imgur.com/yHqMX.png" rel="nofollow">http://i.stack.imgur.com/yHqMX.png</a></p>