FreeMarker template error: The following has evaluated to null or missing: ==> isPieUser [in template "default/header.htm" at line 91, column 30] Tip: If the failing expression is known to be legally null/missing, either specify a default value with 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 parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)?? The failing instruction (FTL stack trace): ---------- ==> #if (bannerExists) && (!isPieUser) [in template "default/header.htm" at line 91, column 5] #include "header.htm" [in template "default/post_show.htm" at line 1, column 1] ---------- Java stack trace (for programmers): ---------- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:98) at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:41) at freemarker.core.UnexpectedTypeException.(UnexpectedTypeException.java:24) at freemarker.core.NonBooleanException.(NonBooleanException.java:81) at freemarker.core.Expression.modelToBoolean(Expression.java:153) at freemarker.core.Expression.evalToBoolean(Expression.java:144) at freemarker.core.NotExpression.evalToBoolean(NotExpression.java:66) at freemarker.core.ParentheticalExpression.evalToBoolean(ParentheticalExpression.java:67) at freemarker.core.AndExpression.evalToBoolean(AndExpression.java:68) at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:84) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment.include(Environment.java:1712) at freemarker.core.Include.accept(Include.java:172) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment.process(Environment.java:243) at freemarker.template.Template.process(Template.java:277) at net.jforum.JForum.processCommand(JForum.java:320) at net.jforum.JForum.service(JForum.java:282) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JForumFilter.doFilter(JForumFilter.java:57) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.javaranch.jforum.url.JSessionIDFilter.doFilter(JSessionIDFilter.java:32) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.javaranch.jforum.url.UrlFilter.doChain(UrlFilter.java:69) at com.javaranch.jforum.url.UrlFilter.doFilter(UrlFilter.java:55) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JpaFilter.executeFilter(JpaFilter.java:59) at net.jforum.JpaFilter.doFilter(JpaFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.javaranch.jforum.csrf.CsrfFilter.doFilter(CsrfFilter.java:67) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JForumExecutionContextFilter.doFilter(JForumExecutionContextFilter.java:39) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JForumRequestCharacterEncodingFilter.doFilter(JForumRequestCharacterEncodingFilter.java:33) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:392) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285) at java.lang.Thread.run(Thread.java:662) JavaFX alone or Java + JavaFX? (JavaFX forum at JavaRanch) FreeMarker template error: The following has evaluated to null or missing: ==> isPieUser [in template "default/header.htm" at line 91, column 30] Tip: If the failing expression is known to be legally null/missing, either specify a default value with 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 parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)?? The failing instruction (FTL stack trace): ---------- ==> #if (bannerExists) && (!isPieUser) [in template "default/header.htm" at line 91, column 5] #include "header.htm" [in template "default/message.htm" at line 1, column 1] #include "default/message.htm" [in template "exception.html" at line 16, column 17] #else [in template "exception.html" at line 15, column 9] #if dateTimeFormat?exists [in template "exception.html" at line 3, column 1] ---------- Java stack trace (for programmers): ---------- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:98) at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:41) at freemarker.core.UnexpectedTypeException.(UnexpectedTypeException.java:24) at freemarker.core.NonBooleanException.(NonBooleanException.java:81) at freemarker.core.Expression.modelToBoolean(Expression.java:153) at freemarker.core.Expression.evalToBoolean(Expression.java:144) at freemarker.core.NotExpression.evalToBoolean(NotExpression.java:66) at freemarker.core.ParentheticalExpression.evalToBoolean(ParentheticalExpression.java:67) at freemarker.core.AndExpression.evalToBoolean(AndExpression.java:68) at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:84) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment.include(Environment.java:1712) at freemarker.core.Include.accept(Include.java:172) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment.include(Environment.java:1712) at freemarker.core.Include.accept(Include.java:172) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.IfBlock.accept(IfBlock.java:84) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.IfBlock.accept(IfBlock.java:84) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.MixedContent.accept(MixedContent.java:93) at freemarker.core.Environment.visit(Environment.java:265) at freemarker.core.Environment.process(Environment.java:243) at freemarker.template.Template.process(Template.java:277) at net.jforum.exceptions.ExceptionWriter.handleExceptionData(ExceptionWriter.java:110) at net.jforum.exceptions.ExceptionWriter.handleExceptionData(ExceptionWriter.java:75) at net.jforum.JForum.handleException(JForum.java:377) at net.jforum.JForum.service(JForum.java:286) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JForumFilter.doFilter(JForumFilter.java:57) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.javaranch.jforum.url.JSessionIDFilter.doFilter(JSessionIDFilter.java:32) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.javaranch.jforum.url.UrlFilter.doChain(UrlFilter.java:69) at com.javaranch.jforum.url.UrlFilter.doFilter(UrlFilter.java:55) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JpaFilter.executeFilter(JpaFilter.java:59) at net.jforum.JpaFilter.doFilter(JpaFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.javaranch.jforum.csrf.CsrfFilter.doFilter(CsrfFilter.java:67) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JForumExecutionContextFilter.doFilter(JForumExecutionContextFilter.java:39) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at net.jforum.JForumRequestCharacterEncodingFilter.doFilter(JForumRequestCharacterEncodingFilter.java:33) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:392) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285) at java.lang.Thread.run(Thread.java:662)