Org. Apache. Jasper. jasperexception: Unable to compile class for JSP

In the Web. xml file, add the following code errors: <servlet>
<Servlet-Name> debugjsp </servlet-Name>
<Description> added to compile JSPs with debug info </description>
<Servlet-class> org. Apache. Jasper. servlet. jspservlet </servlet-class>
<Init-param>
<Param-Name> classdebuginfo </param-Name>
<Param-value> true </param-value>
</Init-param>
<Load-on-startup> 3 </load-on-startup>
</Servlet>
<Servlet-mapping>
<Servlet-Name> debugjsp </servlet-Name>
<URL-pattern> *. jsp </url-pattern>
</Servlet-mapping>

Error message: org. Apache. Jasper. jasperexception: Unable to compile class for JSP
At org. Apache. Jasper. compiler. defaulterrorhandler. javacerror (defaulterrorhandler. Java: 97)
At org. Apache. Jasper. compiler. errordispatcher. javacerror (errordispatcher. Java: 346)
At org. Apache. Jasper. compiler. compiler. generateclass (compiler. Java: 414)
At org. Apache. Jasper. compiler. compiler. compilile (compiler. Java: 472)
At org. Apache. Jasper. compiler. compiler. compilile (compiler. Java: 451)
At org. Apache. Jasper. compiler. compiler. compilile (compiler. Java: 439)
At org. apache. jasper. JspCompilationContext. compile (JspCompilationContext. java: 511)
At org. apache. jasper. servlet. JspServletWrapper. service (JspServletWrapper. java: 295)
At org. apache. jasper. servlet. JspServlet. serviceJspFile (JspServlet. java: 292)
At org. apache. jasper. servlet. JspServlet. service (JspServlet. java: 236)
At javax. servlet. http. HttpServlet. service (HttpServlet. java: 802)
At org. apache. catalina. core. ApplicationFilterChain. internalDoFilter (ApplicationFilterChain. java: 237)
At org. apache. catalina. core. ApplicationFilterChain. doFilter (ApplicationFilterChain. java: 157)
At org. apache. catalina. core. ApplicationDispatcher. invoke (ApplicationDispatcher. java: 704)
At org. apache. catalina. core. ApplicationDispatcher. processRequest (ApplicationDispatcher. java: 474)
At org. apache. catalina. core. ApplicationDispatcher. doForward (ApplicationDispatcher. java: 409)
At org. apache. catalina. core. ApplicationDispatcher. forward (ApplicationDispatcher. java: 312)
At waf. controller. web. action. HTMLAction. forwardAction (HTMLAction. java: 154)
At components. admin. logon. actions. LogOnAction. run (LogOnAction. java: 54)
At waf. controller. web. RequestProcessor. processRequest (RequestProcessor. java: 98)
At waf. controller. web. MainServlet. doProcess (MainServlet. java: 95)
At waf. controller. web. MainServlet. doPost (MainServlet. java: 60)
At javax. servlet. http. HttpServlet. service (HttpServlet. java: 709)
At javax. servlet. http. HttpServlet. service (HttpServlet. java: 802)
At org. apache. catalina. core. ApplicationFilterChain. internalDoFilter (ApplicationFilterChain. java: 237)
At org. apache. catalina. core. ApplicationFilterChain. doFilter (ApplicationFilterChain. java: 157)
At org. apache. catalina. core. StandardWrapperValve. invoke (StandardWrapperValve. java: 214)
At org. apache. catalina. core. StandardValveContext. invokeNext (StandardValveContext. java: 104)
At org. Apache. Catalina. Core. standardpipeline. Invoke (standardpipeline. Java: 520)
At org. Apache. Catalina. Core. standardcontextvalve. invokeinternal (standardcontextvalve. Java: 198)
At org. Apache. Catalina. Core. standardcontextvalve. Invoke (standardcontextvalve. Java: 152)
At org. Apache. Catalina. Core. standardvalvecontext. invokenext (standardvalvecontext. Java: 104)
At org. Apache. Catalina. Core. standardpipeline. Invoke (standardpipeline. Java: 520)
At org. Apache. Catalina. Core. standardhostvalve. Invoke (standardhostvalve. Java: 137)
At org. Apache. Catalina. Core. standardvalvecontext. invokenext (standardvalvecontext. Java: 104)
At org. Apache. Catalina. Valves. errorreportvalve. Invoke (errorreportvalve. Java: 118)
At org. Apache. Catalina. Core. standardvalvecontext. invokenext (standardvalvecontext. Java: 102)
At org. Apache. Catalina. Core. standardpipeline. Invoke (standardpipeline. Java: 520)
At org. Apache. Catalina. Core. standardenginevalve. Invoke (standardenginevalve. Java: 109)
At org. Apache. Catalina. Core. standardvalvecontext. invokenext (standardvalvecontext. Java: 104)
At org. Apache. Catalina. Core. standardpipeline. Invoke (standardpipeline. Java: 520)
At org. Apache. Catalina. Core. containerbase. Invoke (containerbase. Java: 929)
At org. Apache. Coyote. tomcat5.coyoteadapter. Service (coyoteadapter. Java: 160)
At org. Apache. Coyote. http11.http11processor. Process (http11processor. Java: 799)
At org. Apache. Coyote. http11.http11protocol $ http11connectionhandler. processconnection (http11protocol. Java: 705)
At org.apache.tomcat.util.net. tcpworkerthread. Runit (pooltcpendpoint. Java: 577)
At org. Apache. tomcat. util. threads. threadpool $ controlrunnable. Run (threadpool. Java: 683)
At java. Lang. thread. Run (unknown source)

Delete the information added in Web. xml and solve the problem.