FreeMarker template error (DEBUG mode; use RETHROW in production!): The following has evaluated to null or missing: ==> pops [in template "web/index.ftl" at line 324, column 16] ---- Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: #list pops as pop [in template "web/index.ftl" at line 324, column 9] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.Expression.assertNonNull(Expression.java:249) at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:104) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94) at freemarker.core.Environment.visit(Environment.java:347) at freemarker.core.Environment.visit(Environment.java:353) at freemarker.core.Environment.process(Environment.java:326) at freemarker.template.Template.process(Template.java:383) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:391) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:304) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:255) at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:179) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1401) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1145) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1084) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at com.tongweb.web.websocket.server.WsFilter.doFilter(WsFilter.java:53) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:111) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:111) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:111) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:111) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:111) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at com.tongweb.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:731) at com.tongweb.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:470) at com.tongweb.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395) at com.tongweb.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312) at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:171) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1401) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1145) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1084) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at com.tongweb.web.websocket.server.WsFilter.doFilter(WsFilter.java:53) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:91) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:450) at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387) at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.jeecg.config.xss.XssFilter.doFilter(XssFilter.java:28) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:96) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:126) at org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:64) at org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:101) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:119) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at com.tongweb.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at com.tongweb.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at com.tongweb.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at com.tongweb.catalina.core.StandardContextValve.invoke0(StandardContextValve.java:123) at com.tongweb.catalina.core.ThanosStandardContextValve.invoke0(ThanosStandardContextValve.java:14) at com.tongweb.catalina.core.StandardContextValve.invoke(StandardContextValve.java:114) at com.tongweb.catalina.core.ThanosStandardContextValve.invoke(ThanosStandardContextValve.java:103) at com.tongweb.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44) at com.tongweb.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:452) at com.tongweb.catalina.core.StandardHostValve.invoke(StandardHostValve.java:348) at com.tongweb.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97) at com.tongweb.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at com.tongweb.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at com.tongweb.catalina.core.ThanosStandardEngineValve.invoke(ThanosStandardEngineValve.java:43) at com.tongweb.catalina.realm.RealmValve.invoke(RealmValve.java:21) at com.tongweb.catalina.connector.ThanosCoyoteAdaptor.service(ThanosCoyoteAdaptor.java:468) at com.tongweb.coyote.http11.Http11Processor.service(Http11Processor.java:872) at com.tongweb.coyote.http11.ThanosHttp11Processor.service(ThanosHttp11Processor.java:19) at com.tongweb.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at com.tongweb.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:924) at com.tongweb.web.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1658) at com.tongweb.web.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at com.tongweb.web.util.net.AbstractEndpoint.processSocket(AbstractEndpoint.java:872) at com.tongweb.web.util.net.Nio2Endpoint$Nio2SocketWrapper$4.completed(Nio2Endpoint.java:657) at com.tongweb.web.util.net.Nio2Endpoint$Nio2SocketWrapper$4.completed(Nio2Endpoint.java:635) at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) at sun.nio.ch.Invoker$2.run(Invoker.java:218) at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112) at com.tongweb.web.util.threads.TWThreadPoolExecutor.runWorker(TWThreadPoolExecutor.java:1172) at com.tongweb.web.util.threads.TWThreadPoolExecutor$Worker.run(TWThreadPoolExecutor.java:628) at com.tongweb.web.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:750)