FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)
The following has evaluated to null or missing: ==> nowMenuInfo [in template "WEB-INF/views/WEB-APP/Board/skin/default/list.ftl" at line 52, column 22] ---- 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</#if>. (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: #if nowMenuInfo.category! == "" && bo... [in template "WEB-INF/views/WEB-APP/Board/skin/default/list.ftl" at line 52, column 17] ---- 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.UnexpectedTypeException.newDescriptionBuilder(UnexpectedTypeException.java:85) at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:48) at freemarker.core.NonHashException.<init>(NonHashException.java:49) at freemarker.core.Dot._eval(Dot.java:48) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.DefaultToExpression._eval(DefaultToExpression.java:96) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.EvalUtil.compare(EvalUtil.java:113) at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:78) at freemarker.core.AndExpression.evalToBoolean(AndExpression.java:36) at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:48) at freemarker.core.Environment.visit(Environment.java:335) at freemarker.core.Environment.visit(Environment.java:341) at freemarker.core.Environment.process(Environment.java:314) at freemarker.ext.servlet.FreemarkerServlet.processEnvironment(FreemarkerServlet.java:910) at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:879) at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:764) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:713) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:583) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:519) at freemarker.ext.jsp.FreeMarkerPageContext.include(FreeMarkerPageContext.java:399) at freemarker.ext.jsp._FreeMarkerPageContext21.include(_FreeMarkerPageContext21.java:45) at org.apache.tiles.request.jsp.JspRequest.doInclude(JspRequest.java:123) at org.apache.tiles.request.AbstractViewRequest.dispatch(AbstractViewRequest.java:47) at org.apache.tiles.request.render.DispatchRenderer.render(DispatchRenderer.java:47) at org.apache.tiles.request.render.ChainedDelegateRenderer.render(ChainedDelegateRenderer.java:68) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:259) at org.apache.tiles.template.InsertAttributeModel.renderAttribute(InsertAttributeModel.java:188) at org.apache.tiles.template.InsertAttributeModel.execute(InsertAttributeModel.java:132) at org.apache.tiles.jsp.taglib.InsertAttributeTag.doTag(InsertAttributeTag.java:299) at freemarker.ext.jsp.SimpleTagDirectiveModel.execute(SimpleTagDirectiveModel.java:93) at freemarker.core.Environment.visit(Environment.java:452) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:102) at freemarker.core.Environment.visit(Environment.java:335) at freemarker.core.Environment.visit(Environment.java:341) at freemarker.core.Environment.visit(Environment.java:341) at freemarker.core.Environment.process(Environment.java:314) at freemarker.ext.servlet.FreemarkerServlet.processEnvironment(FreemarkerServlet.java:910) at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:879) at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:764) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:713) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:462) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:387) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:315) at org.apache.tiles.request.servlet.ServletRequest.forward(ServletRequest.java:265) at org.apache.tiles.request.servlet.ServletRequest.doForward(ServletRequest.java:228) at org.apache.tiles.request.AbstractClientRequest.dispatch(AbstractClientRequest.java:57) at org.apache.tiles.request.render.DispatchRenderer.render(DispatchRenderer.java:47) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:259) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:397) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:238) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:221) at org.apache.tiles.renderer.DefinitionRenderer.render(DefinitionRenderer.java:59) at org.springframework.web.servlet.view.tiles3.TilesView.renderMergedOutputModel(TilesView.java:147) 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:626) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at centum.filter.NoCacheFilter.doFilter(NoCacheFilter.java:23) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at centum.filter.HTMLTagFilter.doFilter(HTMLTagFilter.java:23) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at centum.filter.HttpsFilter.doFilter(HttpsFilter.java:21) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:525) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1626) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:750)