From: <glassfish_at_javadesktop.org>
Date: Fri, 11 Dec 2009 06:43:42 PST

This problem has been solved by adding the "default" servlet:
    <servlet>
        <servlet-name>default</servlet-name>
        <servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
    </servlet>
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