javax.servlet.ServletException: Servlet.init() for servlet jsp threw exception

[ganeshduke]

HTTP Status 500 -

type Exception report

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet jsp threw exception
org.springframework.web.servlet.view.InternalResou rceView.renderMergedOutputModel(InternalResourceVi ew.java:145)
org.springframework.web.servlet.view.AbstractView. render(AbstractView.java:251)
org.springframework.web.servlet.DispatcherServlet. render(DispatcherServlet.java:1144)
org.springframework.web.servlet.DispatcherServlet. doDispatch(DispatcherServlet.java:880)
org.springframework.web.servlet.DispatcherServlet. doService(DispatcherServlet.java:793)
org.springframework.web.servlet.FrameworkServlet.p rocessRequest(FrameworkServlet.java:476)
org.springframework.web.servlet.FrameworkServlet.d oGet(FrameworkServlet.java:431)
javax.servlet.http.HttpServlet.service(HttpServlet .java:697)
javax.servlet.http.HttpServlet.service(HttpServlet .java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doF ilter(ReplyHeaderFilter.java:81)

root cause

java.lang.NoClassDefFoundError
org.apache.jasper.servlet.JspServlet.init(JspServl et.java:101)
org.springframework.web.servlet.view.InternalResou rceView.renderMergedOutputModel(InternalResourceVi ew.java:145)
org.springframework.web.servlet.view.AbstractView. render(AbstractView.java:251)
org.springframework.web.servlet.DispatcherServlet. render(DispatcherServlet.java:1144)
org.springframework.web.servlet.DispatcherServlet. doDispatch(DispatcherServlet.java:880)
org.springframework.web.servlet.DispatcherServlet. doService(DispatcherServlet.java:793)
org.springframework.web.servlet.FrameworkServlet.p rocessRequest(FrameworkServlet.java:476)
org.springframework.web.servlet.FrameworkServlet.d oGet(FrameworkServlet.java:431)
javax.servlet.http.HttpServlet.service(HttpServlet .java:697)
javax.servlet.http.HttpServlet.service(HttpServlet .java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doF ilter(ReplyHeaderFilter.java:81)

Give me Some solution for this Exceptiion

I tried with putting Jsf-extensions.jar inside Lib..

still i am getting the same exception

Ganesh