Server Error! You know what I mean.

Create or change [/template/error.ftl] in your webapp directory.Using${(stack.pop().exceptionStack)!} to display exception stack.

java.lang.NullPointerException
	at org.beangle.zyk.web.action.NavigateAction.bmfl(NavigateAction.java:82)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:892)
	at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1294)
	at ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
	at com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:117)
	at com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:108)
	at ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1370)
	at ognl.ASTMethod.getValueBody(ASTMethod.java:91)
	at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
	at ognl.SimpleNode.getValue(SimpleNode.java:258)
	at ognl.Ognl.getValue(Ognl.java:467)
	at ognl.Ognl.getValue(Ognl.java:431)
	at com.opensymphony.xwork2.ognl.OgnlUtil$3.execute(OgnlUtil.java:352)
	at com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecuteMethod(OgnlUtil.java:404)
	at com.opensymphony.xwork2.ognl.OgnlUtil.callMethod(OgnlUtil.java:350)
	at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:430)
	at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:290)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:251)
	at org.beangle.struts2.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:23)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
	at org.beangle.struts2.interceptor.SimpleServletConfigInterceptor.intercept(SimpleServletConfigInterceptor.java:35)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
	at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:253)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
	at org.beangle.struts2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:48)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
	at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
	at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
	at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:575)
	at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)
	at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:120)
	at org.beangle.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:95)
	at org.beangle.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:71)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.session.ConcurrentSessionFilter.doFilterHttp(ConcurrentSessionFilter.java:97)
	at org.beangle.web.filter.GenericHttpFilterBean.doFilter(GenericHttpFilterBean.java:67)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.access.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:43)
	at org.beangle.web.filter.GenericHttpFilterBean.doFilter(GenericHttpFilterBean.java:67)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.auth.AnonymousFilter.doFilterHttp(AnonymousFilter.java:73)
	at org.beangle.web.filter.GenericHttpFilterBean.doFilter(GenericHttpFilterBean.java:67)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.auth.preauth.AbstractPreauthFilter.doFilterHttp(AbstractPreauthFilter.java:87)
	at org.beangle.web.filter.GenericHttpFilterBean.doFilter(GenericHttpFilterBean.java:67)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.auth.preauth.AbstractPreauthFilter.doFilterHttp(AbstractPreauthFilter.java:87)
	at org.beangle.web.filter.GenericHttpFilterBean.doFilter(GenericHttpFilterBean.java:67)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:193)
	at org.beangle.web.filter.GenericHttpFilterBean.doFilter(GenericHttpFilterBean.java:67)
	at org.beangle.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:128)
	at org.beangle.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:45)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.oreilly.tomcat.filter.BadInputFilter.doFilter(BadInputFilter.java:424)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.beangle.filters.XssFilter.doFilter(XssFilter.java:50)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.beangle.web.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:25)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
	at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:732)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)