FreeMarker template error (DEBUG mode; use RETHROW in production!): Error while invoking the "fragment" JSP custom tag; see cause exception ---- FTL stack trace ("~" means nesting-related): - Failed at: @wp.fragment code="lutech-head" escap... [in template "contest_detail" at line 8, column 5] ---- Java stack trace (for programmers): ---- freemarker.template.TemplateModelException: [... Exception message was already printed; see it above ...] at deployment.entando-de-app.war//freemarker.ext.jsp.JspTagModelBase.toTemplateModelExceptionOrRethrow(JspTagModelBase.java:150) at deployment.entando-de-app.war//freemarker.ext.jsp.TagTransformModel$TagWriter.onStart(TagTransformModel.java:351) at deployment.entando-de-app.war//freemarker.core.Environment.visitAndTransform(Environment.java:493) at deployment.entando-de-app.war//freemarker.core.UnifiedCall.accept(UnifiedCall.java:103) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:330) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:336) at deployment.entando-de-app.war//freemarker.core.Environment.process(Environment.java:309) at deployment.entando-de-app.war//freemarker.template.Template.process(Template.java:384) at deployment.entando-de-app.war//group.lutech.aps.system.services.controller.executor.PageExecutorService.service(PageExecutorService.java:76) at deployment.entando-de-app.war//org.entando.entando.aps.servlet.ControllerServlet.executePage(ControllerServlet.java:146) at deployment.entando-de-app.war//org.entando.entando.aps.servlet.ControllerServlet.service(ControllerServlet.java:70) at javax.servlet.api@1.0.0.Final//javax.servlet.http.HttpServlet.service(HttpServlet.java:791) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) at deployment.entando-de-app.war//org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at deployment.entando-de-app.war//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at deployment.entando-de-app.war//org.entando.entando.keycloak.filter.KeycloakFilter.doFilter(KeycloakFilter.java:104) at deployment.entando-de-app.war//org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358) at deployment.entando-de-app.war//org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320) at deployment.entando-de-app.war//org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:97) at deployment.entando-de-app.war//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:74) at deployment.entando-de-app.war//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56) at deployment.entando-de-app.war//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215) at deployment.entando-de-app.war//org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178) at deployment.entando-de-app.war//org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358) at deployment.entando-de-app.war//org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at deployment.entando-de-app.war//org.entando.entando.aps.servlet.security.CsrfFilter.doFilterInternal(CsrfFilter.java:68) at deployment.entando-de-app.war//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at deployment.entando-de-app.war//org.entando.entando.web.health.HealthFilter.doFilterInternal(HealthFilter.java:18) at deployment.entando-de-app.war//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at deployment.entando-de-app.war//org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) at io.undertow.core@2.0.21.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) at io.undertow.core@2.0.21.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.core@2.0.21.Final//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) at io.undertow.core@2.0.21.Final//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) at io.undertow.core@2.0.21.Final//io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) at io.undertow.core@2.0.21.Final//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) at io.undertow.core@2.0.21.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) at io.undertow.core@2.0.21.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.RewriteCorrectingHandlerWrappers$PostWrapper$1.handleRequest(RewriteCorrectingHandlerWrappers.java:71) at io.undertow.core@2.0.21.Final//io.undertow.predicate.PredicatesHandler.handleRequest(PredicatesHandler.java:110) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.RewriteCorrectingHandlerWrappers$PreWrapper$1.handleRequest(RewriteCorrectingHandlerWrappers.java:52) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68) at io.undertow.core@2.0.21.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.core@2.0.21.Final//io.undertow.server.handlers.MetricsHandler.handleRequest(MetricsHandler.java:64) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.MetricsChainHandler.handleRequest(MetricsChainHandler.java:59) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502) at org.wildfly.extension.undertow@17.0.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) at io.undertow.servlet@2.0.21.Final//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104) at io.undertow.core@2.0.21.Final//io.undertow.server.Connectors.executeRootHandler(Connectors.java:364) at io.undertow.core@2.0.21.Final//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) at org.jboss.threads@2.3.3.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35) at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982) at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486) at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377) at java.base/java.lang.Thread.run(Thread.java:829) Caused by: javax.servlet.jsp.JspException: Error during tag initialization at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.doStartTag(GuiFragmentTag.java:68) at deployment.entando-de-app.war//freemarker.ext.jsp.TagTransformModel$TagWriter.onStart(TagTransformModel.java:320) ... 108 more Caused by: org.entando.entando.ent.exception.EntException: Error creating fragment output - code 'lutech-head' at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.extractFragmentOutput(GuiFragmentTag.java:89) at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.doStartTag(GuiFragmentTag.java:52) ... 109 more Caused by: freemarker.template.TemplateModelException: Error while invoking the "fragment" JSP custom tag; see cause exception ---- FTL stack trace ("~" means nesting-related): - Failed at: @wp.fragment code="lutech-social-shar... [in template "lutech-head" at line 24, column 1] ---- at deployment.entando-de-app.war//freemarker.ext.jsp.JspTagModelBase.toTemplateModelExceptionOrRethrow(JspTagModelBase.java:150) at deployment.entando-de-app.war//freemarker.ext.jsp.TagTransformModel$TagWriter.onStart(TagTransformModel.java:351) at deployment.entando-de-app.war//freemarker.core.Environment.visitAndTransform(Environment.java:493) at deployment.entando-de-app.war//freemarker.core.UnifiedCall.accept(UnifiedCall.java:103) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:330) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:336) at deployment.entando-de-app.war//freemarker.core.Environment.process(Environment.java:309) at deployment.entando-de-app.war//freemarker.template.Template.process(Template.java:384) at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.extractFragmentOutput(GuiFragmentTag.java:84) ... 110 more Caused by: javax.servlet.jsp.JspException: Error during tag initialization at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.doStartTag(GuiFragmentTag.java:68) at deployment.entando-de-app.war//freemarker.ext.jsp.TagTransformModel$TagWriter.onStart(TagTransformModel.java:320) ... 117 more Caused by: org.entando.entando.ent.exception.EntException: Error creating fragment output - code 'lutech-social-share' at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.extractFragmentOutput(GuiFragmentTag.java:89) at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.doStartTag(GuiFragmentTag.java:52) ... 118 more Caused by: freemarker.core.InvalidReferenceException: The following has evaluated to null or missing: ==> contentTitle [in template "lutech-social-share" at line 12, column 25] ---- 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: ${contentTitle} [in template "lutech-social-share" at line 12, column 23] ---- at deployment.entando-de-app.war//freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at deployment.entando-de-app.war//freemarker.core.EvalUtil.coerceModelToTextualCommon(EvalUtil.java:467) at deployment.entando-de-app.war//freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:389) at deployment.entando-de-app.war//freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:358) at deployment.entando-de-app.war//freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100) at deployment.entando-de-app.war//freemarker.core.DollarVariable.accept(DollarVariable.java:63) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:330) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:336) at deployment.entando-de-app.war//freemarker.core.Environment.visit(Environment.java:336) at deployment.entando-de-app.war//freemarker.core.Environment.process(Environment.java:309) at deployment.entando-de-app.war//freemarker.template.Template.process(Template.java:384) at deployment.entando-de-app.war//org.entando.entando.aps.tags.GuiFragmentTag.extractFragmentOutput(GuiFragmentTag.java:84) ... 119 more