anchor.diff:           on to the appropriate Host (virtual host).
            Documentation at /docs/config/engine.html -->
   
  -    <!-- You should set jvmRoute to support load-balancing via AJP ie :
  -    <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
  -    -->
       <Engine name="Catalina" defaultHost="localhost">
  -
  -      <!--For clustering, please take a look at documentation at:
  -          /docs/cluster-howto.html  (simple how to)
  -          /docs/config/cluster.html (reference documentation) -->
  -      <!--
  -      <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
  -      -->
  -
  -      <!-- The request dumper valve dumps useful debugging information about
  -           the request and response data received and sent by Tomcat.
  -           Documentation at: /docs/config/valve.html -->
  -      <!--
  -      <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
  -      -->
   
         <!-- This Realm uses the UserDatabase configured in the global JNDI
              resources under the key "UserDatabase".  Any edits
  
positive.code:       <Host name="localhost"  appBase="webapps"
              unpackWARs="true" autoDeploy="true"
              xmlValidation="false" xmlNamespaceAware="false">
  
          <!-- SingleSignOn valve, share authentication between web applications
               Documentation at: /docs/config/valve.html -->
          <!--
          <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
          -->
  
          <!-- Access log processes all example.
               Documentation at: /docs/config/valve.html -->
          <!--
          <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
                 prefix="localhost_access_log." suffix=".txt" pattern="common" resolveHosts="false"/>
          -->
  
        </Host>
      </Engine>
    </Service>
  
negative.code:     <Connector port="<%= http_port %>" protocol="HTTP/1.1"
                 connectionTimeout="20000"
                 redirectPort="<%= @redirect_port %>" />
  
      <!-- Define an AJP 1.3 Connector on port <%= ajp_port %> -->
      <Connector port="<%= ajp_port %>" protocol="AJP/1.3" redirectPort="<%= @redirect_port %>" />
  