title: Tomcat unable to start even after changing the port number
body: <p>I am using window 7 os, and i have installed tomcat 6, it is working fine. But i have configured new workspace which is developed using "Dynamic web module 3.0",so i am unable run this by using tomcat 6,because of this i have downloaded tomcat7 zip file and configured tomcat7 to new workspace,but when i run i was getting an error as </p>
  
  <p>"Port 8009 required by Tomcat v7.0 Server at localhost is already in use. The server may already be running in another process, or a system process may be using the port. To start this server you will need to stop the other process or change the port number(s)"</p>
  
  <p>So i have changed the tomcat default port number in conf/server.xml</p>
  
  <p>`</p>
  
  <pre><code>&lt;Connector executor="tomcatThreadPool"
             port="8080" protocol="HTTP/1.1"
             connectionTimeout="20000"
             redirectPort="8443" /&gt;
  
  
  
  &lt;Connector port="8443" protocol="org.apache.coyote.http11.Http11Protocol"
             maxThreads="150" SSLEnabled="true" scheme="https" secure="true"
             clientAuth="false" sslProtocol="TLS" /&gt;
  
  
  
  &lt;Connector port="4018" protocol="AJP/1.3" redirectPort="8443" /&gt;
  </code></pre>
  
  <p>`</p>
  
  <p>After changing the tomcat port, i have restarted the eclipse and tried to run the project with tomcat 7 server then also i am getting the same error.
  "Port 8009 required by Tomcat v7.0 Server at localhost is already in use. The server may already be running in another process, or a system process may be using the port. To start this server you will need to stop the other process or change the port number(s).
  "</p>
  
  <p>So please help me out how to fix this issue.
  Thanks for your suggestions.</p>