Petclinic example provided/modified by Marius created with dependencies from jboss-wfk-unsupported-1.0.0.CR5.zip doesn't wotk on tomcat5.
It looks like petclinic needs JSP 2.1 and TC5 supports JSP 2.0.

I get this exception:
Internal error

java.lang.NoClassDefFoundError: javax/el/ValueExpression at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2395) at java.lang.Class.getDeclaredMethods(Class.java:1763) at java.beans.Introspector$1.run(Introspector.java:1265) at java.security.AccessController.doPrivileged(Native Method) at java.beans.Introspector.getPublicDeclaredMethods(Introspector.java:1263) at java.beans.Introspector.getTargetMethodInfo(Introspector.java:1129) at java.beans.Introspector.getBeanInfo(Introspector.java:387) at java.beans.Introspector.getBeanInfo(Introspector.java:159) at java.beans.Introspector.getBeanInfo(Introspector.java:220) at java.beans.Introspector.(Introspector.java:368) at java.beans.Introspector.getBeanInfo(Introspector.java:159) at java.beans.Introspector.getBeanInfo(Introspector.java:220) at java.beans.Introspector.(Introspector.java:368) at java.beans.Introspector.getBeanInfo(Introspector.java:159) at org.apache.jasper.compiler.Generator$TagHandlerInfo.(Generator.java:3730) at org.apache.jasper.compiler.Generator$GenerateVisitor.getTagHandlerInfo(Generator.java:2132) at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1600) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1442) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2164) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2214) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2220) at org.apache.jasper.compiler.Node$Root.accept(Node.java:457) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2164) at org.apache.jasper.compiler.Generator.generate(Generator.java:3322) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:296) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:277) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:265) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:236) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:257) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1183) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:902) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:834) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286) at java.lang.Thread.run(Thread.java:595) Cookies: JSESSIONID=[2E7AF4F870F3384BDA7ED4DF94A93949] s_vi=[[CS]v1|49B511CE00000408-A3A0829000005DD[CE]] rh_omni_tc=[70160000000H4AoAAK] rh_omni_itc=[70160000000HoJQAA0] __qca=[1236626487-83803523-6393200]