title: Apache tomcat start up failure
body: <p>I have been working with netbeans...til yesterday night it worked but now i couldnt run even a simple code its showing the following comments in the output screen</p>
  
  <pre><code>init:
  deps-module-jar:
  deps-ear-jar:
  deps-jar:
  library-inclusion-in-archive:
  library-inclusion-in-manifest:
  compile:
  compile-jsps:
  Starting of Tomcat failed, the server port 8084 is already in use.
  D:\Dhivya\Job\calculator\payodaproject\nbproject\build-impl.xml:683: Deployment error:
  Starting of Tomcat failed, the server port 8084 is already in use.
  See the server log for details.
  BUILD FAILED (total time: 3 seconds)
  </code></pre>
  
  <p>how to recover from this</p>