<Context privileged="true">
<!-- Default set of monitored resources -->
<WatchedResource>WEB-INF/web.xml</WatchedResource>
</Context>
?即在Context 中增加privileged="true"
<servlet>
<servlet-name>ssi</servlet-name>
<servlet-class>
org.apache.catalina.ssi.SSIServlet
</servlet-class>
<init-param>
<param-name>buffered</param-name>
<param-value>1</param-value>
</init-param>
<init-param>
<param-name>inputEncoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>outputEncoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>expires</param-name>
<param-value>666</param-value>
</init-param>
<init-param>
<param-name>isVirtualWebappRelative</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>4</load-on-startup>
</servlet>
?取消SSI Servlet的mapping注释，增加*.html，因为我们是在html中引入shtml的，如果不配置*.html，则tomcat不会处理html中的ssi指令
<servlet-mapping>
<servlet-name>ssi</servlet-name>
<url-pattern>*.shtml</url-pattern>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
?
原文：http://bsr1983.iteye.com/blog/2253885