configuring .jspf in web.xml resulting tomcat error

I want my .jspf file to be mapped as JSP, so I add the following line in my web.xml

<servlet-mapping>
<servlet-name>JSP</servlet-name>
<url-pattern>>*.jspf</url-pattern>
</servlet-mapping>

but it causing an error and not letting the Tomcat run. The error form Tomcat is as follows.

 Caused by: org.apache.catalina.LifecycleException: A child container failed during start