Help on Apache tomcat 5 error

[TomDog]

I have installed Apacpe Tomcat 5.5.20 and JDK 1.5.0_09. tomcat is connecting to db2.

I was able to start the tomcat. however, when I put user name and password to log into the web site, it was showing blank page. IHere is the error from Tomcat:

Oct 19, 2006 2:22:48 PM org.apache.catalina.authenticator.FormAuthenticator forwardToErrorPage
WARNING: Unexpected error forwarding to error page
org.apache.jasper.JasperException: Unable to compile class for JSP

Generated servlet error:
The type Collection is not generic; it cannot be parameterized with arguments <? extends E>


at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:512)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at org.apache.catalina.authenticator.FormAuthenticator.forwardToErrorPage(FormAuthenticator.java:336)
at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:259)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:416)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
at java.lang.Thread.run(Thread.java:595)


Thanks for any update you may have.