<title>.war files and the webapps directory</title>A .war file is a packaged Servlet application.  It's just arenamed .jar file of the web-app directory tree.  Resin provides aspecial webapps directory which will automatically expand .war files,configured by the &lt;war-dir> attribute in the resin.conf's hostconfiguration.<example>&lt;caucho.com>&lt;http-server>  &lt;http port='8080'/>  &lt;host id='*'>    &lt;war-dir>webapps&lt;/war-dir>  &lt;/host>&lt;/http-server>&lt;/caucho.com></example><p/>Placing a foo.war in webapps/foo.war will prompt Resin to expandfoo.war into webapps/foo/*.  Resin will