WEB-INF/web.xml

<web-app xmlns="http://caucho.com/ns/resin">
  <!-- make an example.AppConfig object, available with the
     - JNDI name "java:comp/env/config/Application"
    -->
  <resource jndi-name='config/Application'>
    <type>example.AppConfig</type>

    <!-- config-files-location
       -
       - set's the base for subsequent config file lookups.
       -
       - EL variables are very useful here, such as 
       - app.appDir, server.rootDir, host.rootDir
       -
       - You can also use an http url, although you will not be able
       - to write files then.
      -->
    <init>
      <config-files-location>${app.docDir}/WEB-INF/config</config-files-location>
      <!-- <config-files-location>http://hogwarts.com/config</config-files-location> -->
    </init>
  </resource>

  <servlet>
    <servlet-name>test</servlet-name>
    <servlet-class>example.TestServlet</servlet-class>
  </servlet>

  <servlet-mapping>
    <url-pattern>/test</url-pattern>
    <servlet-name>test</servlet-name>
  </servlet-mapping>
</web-app>