Unexpected Erro

Queria usar o E-gen, mas não estou conseguindo
eu configurei tudo oq precisa, coloqei os .jar nas pastas corretas

qnd vou abrir http://localhost:8080/egen, o tomcat da o seguinte erro:

24/11/2003 15:57:30 org.apache.catalina.authenticator.FormAuthenticator authenti
cate
WARNING: Unexpected error forwarding to login page
javax.servlet.ServletException: javax.servlet.jsp.tagext.TagAttributeInfo.<init>
(Ljava/lang/String;ZLjava/lang/String;ZZ)V
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:256)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:284)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:204)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
atcher.java:742)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(Applica
tionDispatcher.java:506)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationD
ispatcher.java:443)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDis
patcher.java:359)
        at org.apache.catalina.authenticator.FormAuthenticator.authenticate(Form
Authenticator.java:246)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
torBase.java:546)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:149)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:563)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:195)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:151)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:164)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:149)
        at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.ja
va:407)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:149)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:563)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:156)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:151)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:563)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)

at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:20
9)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:670)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:517)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:575)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:666)
        at java.lang.Thread.run(Thread.java:536)

Alguem sabe como arrumar isso?

naum sei se é erro na configuracao do tomcat, porque outras aplicações funciona corretmente

obrigadu

Notícias, artigos e o maior fórum brasileiro sobre Java