• FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)
    
    The following has evaluated to null or missing:
    ==> flag  [in template "WEB-INF/decorators/helpCenterNav.html" at line 9, column 42]
    
    ----
    Tip: If the failing expression is known to be 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 flag == 1  [in template "WEB-INF/decorators/helpCenterNav.html" at line 9, column 37]
    	- Reached through: #include "helpCenterNav.html"  [in template "WEB-INF/decorators/helpCenter.html" at line 18, column 17]
    	- Reached through: #include "helpCenter.html"  [in template "WEB-INF/decorators/websiteHelpCenter.ftl" 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:131)
    	at freemarker.core.EvalUtil.compare(EvalUtil.java:195)
    	at freemarker.core.EvalUtil.compare(EvalUtil.java:112)
    	at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:64)
    	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:46)
    	at freemarker.core.Environment.visit(Environment.java:324)
    	at freemarker.core.MixedContent.accept(MixedContent.java:54)
    	at freemarker.core.Environment.visit(Environment.java:324)
    	at freemarker.core.Environment.include(Environment.java:2072)
    	at freemarker.core.Include.accept(Include.java:167)
    	at freemarker.core.Environment.visit(Environment.java:324)
    	at freemarker.core.MixedContent.accept(MixedContent.java:54)
    	at freemarker.core.Environment.visit(Environment.java:324)
    	at freemarker.core.Environment.include(Environment.java:2072)
    	at freemarker.core.Include.accept(Include.java:167)
    	at freemarker.core.Environment.visit(Environment.java:324)
    	at freemarker.core.Environment.process(Environment.java:302)
    	at freemarker.template.Template.process(Template.java:325)
    	at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:725)
    	at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:642)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
    	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:591)
    	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:527)
    	at com.opensymphony.sitemesh.compatability.OldDecorator2NewDecorator.render(OldDecorator2NewDecorator.java:46)
    	at com.opensymphony.sitemesh.webapp.decorator.BaseWebAppDecorator.render(BaseWebAppDecorator.java:33)
    	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:84)
    	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:197)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	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:96)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)
    	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808)
    	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
    	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:748)
    
    
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