pages navigation rule throws exception
damatrix Feb 15, 2007 11:33 AMI have a navigation rule in my pages.xml as follows
<navigation from-action="#{registrationManager.modifyObject(registration)}"> <rule if="#{registrationManager.proceed}"> <redirect view-id="/history/registrationUpdate.xhtml"/> </rule> </navigation>
However i get the following exception when i call the registrationManager.modifyObject(), whether i use an s:link or h:commandLink.
11:33:20,567 ERROR [SeamPhaseListener] uncaught exception javax.faces.el.EvaluationException: Cannot get value for expression '#{registrationManager.proceed}' at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:402) at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:53) at org.jboss.seam.pages.Rule.matches(Rule.java:29) at org.jboss.seam.pages.Navigation.navigate(Navigation.java:59) at org.jboss.seam.core.Pages.navigate(Pages.java:111) at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:32) at org.jboss.seam.core.Pages.handleOutcome(Pages.java:257) at org.jboss.seam.core.Pages.callAction(Pages.java:300) at org.jboss.seam.core.Pages.enterPage(Pages.java:245) at org.jboss.seam.jsf.AbstractSeamPhaseListener.enterPage(AbstractSeamPhaseListener.java:242) at org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:193) at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:57) at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersBefore(PhaseListenerManager.java:70) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:373) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:43) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:29) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) 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.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: javax.faces.el.EvaluationException: Exception getting value of property proceed of base of type : org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$1e7f8111 at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:96) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) ... 43 more Caused by: javax.faces.el.EvaluationException: Bean: org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$1e7f8111, property: proceed at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:442) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) ... 46 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) ... 47 more Caused by: java.lang.ClassCastException: java.lang.String at $Proxy147.isProceed(Unknown Source) at com.gh.gtfc.tradewinds.deploy.object.RegistrationObjectLocal$$FastClassByCGLIB$$5eb76c68.invoke(<generated>) at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45) at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:74) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55) at org.jboss.seam.interceptors.RemoveInterceptor.removeIfNecessary(RemoveInterceptor.java:40) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) at org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:83) at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:52) at org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$1e7f8111.isProceed(<generated>) ... 52 more 11:33:20,581 INFO [Exceptions] reading exception mappings from /WEB-INF/pages.xml 11:33:20,620 ERROR [DebugPageHandler] redirecting to debug page java.lang.ClassCastException: java.lang.String at $Proxy147.isProceed(Unknown Source) at com.gh.gtfc.tradewinds.deploy.object.RegistrationObjectLocal$$FastClassByCGLIB$$5eb76c68.invoke(<generated>) at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45) at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:74) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55) at org.jboss.seam.interceptors.RemoveInterceptor.removeIfNecessary(RemoveInterceptor.java:40) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) at org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:83) at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:52) at org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$1e7f8111.isProceed(<generated>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:53) at org.jboss.seam.pages.Rule.matches(Rule.java:29) at org.jboss.seam.pages.Navigation.navigate(Navigation.java:59) at org.jboss.seam.core.Pages.navigate(Pages.java:111) at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:32) at org.jboss.seam.core.Pages.handleOutcome(Pages.java:257) at org.jboss.seam.core.Pages.callAction(Pages.java:300) at org.jboss.seam.core.Pages.enterPage(Pages.java:245) at org.jboss.seam.jsf.AbstractSeamPhaseListener.enterPage(AbstractSeamPhaseListener.java:242) at org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:193) at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:57) at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersBefore(PhaseListenerManager.java:70) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:373) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:43) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:29) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) 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.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
The method isProceed exists on the local interface and the bean, returning a boolean, so why a class cast exception trying to cast to String?
When i remove the evaluation, my method never gets called. Any ideas what's wrong?