title: unable to start Tomcat 7 server error org.apache.catalina.mbeans.ServerLifecycleListener
body: <p>My tomcat server is failed to start despite of making sure everything is fine with installation.Can anyone guide me in resolving this problem.</p>
  <p><img src="https://i.stack.imgur.com/3rkW6.png" alt="screenshot of error while starting the server" /></p>
  <p>Thanks</p>