gerrit-war/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app>
  <resource-ref>
    <res-ref-name>jdbc/ReviewDb</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
    <res-auth>Container</res-auth>
  </resource-ref>

  <filter>
    <filter-name>guiceFilter</filter-name>
    <filter-class>com.google.gerrit.httpd.WebAppInitializer</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>guiceFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>