Mine

  <VirtualHost *:80>
     ServerAdmin victori@lamer0.com
     ServerName socialfeedr.com
     ServerAlias www.socialfeedr.com
     ServerAlias socialfeeder.com
     ServerAlias www.socialfeeder.com
     ServerAlias www.spreadsocialfeedr.com
     ServerAlias spreadsocialfeedr.com
     SetOutputFilter DEFLATE

     DocumentRoot "/usr/local/apache-tomcat6.0/webapps/socialfeedr"

     <Directory "/usr/local/apache-tomcat6.0/webapps/socialfeedr">
        Order allow,deny
        Allow from all
        AllowOverride all
     </Directory>

        RewriteEngine On
        RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -f
        RewriteRule (.*) $1 [L]

        RewriteRule ^/socialfeedr/(.*) /socialfeedr/$1 [PT]
        RewriteRule ^/(.*) /socialfeedr/$1 [PT]
        ProxyRequests on
        ProxyPass / http://localhost:8180/
        ProxyPassReverse / http://localhost:8180/

   </VirtualHost>