<Context privileged="true">

<filter>
<filter-name>ssi</filter-name>
<filter-class>
org.apache.catalina.ssi.SSIFilter
</filter-class>
<init-param>
<param-name>contentType</param-name>
<param-value>text/x-server-parsed-html(;.*)?</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>
</filter>

<filter-mapping>
<filter-name>ssi</filter-name>
<url-pattern>*.shtml</url-pattern>
<url-pattern>*.html</url-pattern>
</filter-mapping>

<!--#include virtual="ad.html"-->

将配置文件放开后重启tomcat，不报错，没提示，就是没有效果

ad.html文件在根目录下，引用文件也在根目录下