Tomcat already includes org.apache.catalina.ssi.SSIServlet in catalina.jar, so just declare the servlet and attach it to the mapping URL by setting this in web.xml applications
<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>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>expires</param-name>
<param-value>60</param-value>
</init-param>
<init-param>
<param-name>isVirtualWebappRelative</param-name>
<param-value>1</param-value>
</init-param>
<load-on-startup>4</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>ssi</servlet-name>
<url-pattern>*.shtml</url-pattern>
</servlet-mapping>
I put all the parameters, you can see their definition in the Tomcat SSI link .
doc, SSI , , context.xml, jboss-web.deploy . = "true" .
<Context ... privileged="true">
, URL- .