FreeMarker template error (DEBUG mode; use RETHROW in production!): The following has evaluated to null or missing: ==> [in template "zt_news" at line 31, column 11] ---- 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. (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 columnSign == "004000040003" [in template "zt_news" at line 31, column 6] - Reached through: @cms_content articleId="${articleId}" [in template "zt_news" at line 13, column 5] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.EvalUtil.compare(EvalUtil.java:196) at freemarker.core.EvalUtil.compare(EvalUtil.java:113) at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:62) at freemarker.core.IfBlock.accept(IfBlock.java:49) at freemarker.core.Environment.visit(Environment.java:362) at freemarker.core.Environment$NestedElementTemplateDirectiveBody.render(Environment.java:2727) at com.thinkingdao.smvc.cms.base.taglib.CmsArticleDirective.execute(CmsArticleDirective.java:96) at freemarker.core.Environment.visit(Environment.java:426) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101) at freemarker.core.Environment.visit(Environment.java:326) at freemarker.core.Environment.visit(Environment.java:332) at freemarker.core.Environment.process(Environment.java:305) at freemarker.template.Template.process(Template.java:384) at com.thinkingdao.smvc.cms.base.filter.CmsBaseTemplateFilter.doFilter(CmsBaseTemplateFilter.java:123) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) at com.bes.enterprise.webtier.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:191) at com.bes.enterprise.webtier.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at com.thinkingdao.smvc.cms.base.filter.CmsBaseRequestUrlFilter.doFilter(CmsBaseRequestUrlFilter.java:54) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) 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:197) 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.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:151) 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:683) 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:748)