<Host name="www.b1.com"  appBase="D:\jsp_Tomcat\web\www.b1.com"

            unpackWARs="true" autoDeploy="true">



        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log." suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b" />

			   <Context path="/news" docBase="D:\jsp_Tomcat\web\www.b1.com\news">



      </Host>

	  

	  <Host name="www.b2.com"  appBase="D:\jsp_Tomcat\web\www.b2.com"

            unpackWARs="true" autoDeploy="true">



        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log." suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b" />



      </Host>

	  

	  <Host name="www.b3.com"  appBase="D:\jsp_Tomcat\web\www.b3.com"

            unpackWARs="true" autoDeploy="true">



        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log." suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b" />



      </Host>

	  

	  <Host name="www.b4.com"  appBase="D:\jsp_Tomcat\web\www.b4.com"

            unpackWARs="true" autoDeploy="true">



        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log." suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b" />



      </Host>