Configuração Tomcat para Spring

context.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
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  this work for additional information regarding copyright ownership.
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  (the "License"); you may not use this file except in compliance with
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      http://www.apache.org/licenses/LICENSE-2.0

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--><!-- The contents of this file will be loaded for each web application -->
<Context path="/JSF">
   <Loader loaderClass=
     "org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader"/>

    <!-- Default set of monitored resources -->
    <WatchedResource>WEB-INF/web.xml</WatchedResource>

    <!-- Uncomment this to disable session persistence across Tomcat restarts -->
    <!--
    <Manager pathname="" />
    -->

    <!-- Uncomment this to enable Comet connection tacking (provides events
         on session expiration as well as webapp lifecycle) -->
    <!--
    <Valve className="org.apache.catalina.valves.CometConnectionManagerValve" />
    -->

</Context>