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: ${item.finfo.COVERIMAGE!""} [in template "tz/04_zcfg-hydt.shtml" at line 42, column 76] - Reached through: @wtl_list columnId="${columnId}" isPa... [in template "tz/04_zcfg-hydt.shtml" at line 28, 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.newDesciptionBuilder(UnexpectedTypeException.java:85) at freemarker.core.UnexpectedTypeException.(UnexpectedTypeException.java:48) at freemarker.core.NonHashException.(NonHashException.java:49) at freemarker.core.Dot._eval(Dot.java:48) at freemarker.core.Expression.eval(Expression.java:83) at freemarker.core.DefaultToExpression._eval(DefaultToExpression.java:88) at freemarker.core.Expression.eval(Expression.java:83) at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100) at freemarker.core.DollarVariable.accept(DollarVariable.java:63) at freemarker.core.Environment.visit(Environment.java:366) at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:317) at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271) at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:242) at freemarker.core.Environment.visitIteratorBlock(Environment.java:642) at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:107) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:93) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:372) at freemarker.core.Environment$NestedElementTemplateDirectiveBody.render(Environment.java:2900) at com.whir.tags.directive.tags.ListTag.execute(ListTag.java:322) at freemarker.core.Environment.visit(Environment.java:445) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.template.Template.process(Template.java:384) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:396) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:309) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:257) at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:165) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1325) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1069) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1008) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) at javax.servlet.http.HttpServlet.service(HttpServlet.java:630) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) at javax.servlet.http.HttpServlet.service(HttpServlet.java:737) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:229) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at com.bes.enterprise.web.websocket.server.WsFilter.doFilter(WsFilter.java:48) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at com.github.xiaoymin.swaggerbootstrapui.filter.SecurityBasicAuthFilter.doFilter(SecurityBasicAuthFilter.java:84) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at com.github.xiaoymin.swaggerbootstrapui.filter.ProductionSecurityFilter.doFilter(ProductionSecurityFilter.java:53) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at com.whir.web.filter.JwtAuthenticationTokenFilter.doFilterInternal(JwtAuthenticationTokenFilter.java:330) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at com.whir.web.filter.ValidateCodeFilter.doFilterInternal(ValidateCodeFilter.java:51) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215) at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:117) at org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:61) at org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:92) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:110) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at com.bes.enterprise.webtier.core.DefaultWrapperValve.invoke(DefaultWrapperValve.java:195) at com.bes.enterprise.webtier.core.DefaultContextValve.invoke(DefaultContextValve.java:92) at com.bes.enterprise.webext.BesContextCleanupValve.invoke(BesContextCleanupValve.java:50) at com.bes.enterprise.webext.BESAppservValve.invoke(BESAppservValve.java:41) at com.bes.enterprise.webtier.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) at com.bes.enterprise.webtier.core.DefaultHostValve.invoke(DefaultHostValve.java:137) at com.bes.enterprise.webtier.valves.ErrorReportValve.invoke(ErrorReportValve.java:77) at com.bes.enterprise.webtier.core.DefaultEngineValve.invoke(DefaultEngineValve.java:83) at com.bes.enterprise.webtier.connector.CoyoteAdapter.service(CoyoteAdapter.java:350) at com.bes.enterprise.web.crane.http11.Http11Processor.service(Http11Processor.java:688) at com.bes.enterprise.web.crane.AbstractProcessorLight.process(AbstractProcessorLight.java:61) at com.bes.enterprise.web.crane.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:821) at com.bes.enterprise.web.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732) at com.bes.enterprise.web.util.net.SocketProcessorBase.run(SocketProcessorBase.java:47) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at com.bes.enterprise.web.util.threads.WorkThread$WrappingRunnable.run(WorkThread.java:57) at java.lang.Thread.run(Thread.java:750)