FreeMarker template error (DEBUG mode; use RETHROW in production!): The following has evaluated to null or missing: ==> airportIndexVO.currentCity [in template "airportIndex.ftl" at line 31, column 29] ---- Tip: It's the step after the last dot that caused this error, not those before it. ---- 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: #assign city = airportIndexVO.current... [in template "airportIndex.ftl" at line 31, column 13] ---- 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.Assignment.accept(Assignment.java:139) at freemarker.core.Environment.visit(Environment.java:325) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.process(Environment.java:304) at freemarker.template.Template.process(Template.java:382) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:367) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:284) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:234) at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1257) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) at javax.servlet.http.HttpServlet.service(HttpServlet.java:529) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctriposs.baiji.rpc.client.ribbon.HttpContextFilter.doFilter(HttpContextFilter.java:38) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.dianping.cat.servlet.CatFilter$Context.handle(CatFilter.java:799) at com.dianping.cat.servlet.CatFilter$CatHandler$3.handle(CatFilter.java:412) at com.dianping.cat.servlet.CatFilter$Context.handle(CatFilter.java:797) at com.dianping.cat.servlet.CatFilter$CatHandler$4.handle(CatFilter.java:556) at com.dianping.cat.servlet.CatFilter$Context.handle(CatFilter.java:797) at com.dianping.cat.servlet.CatFilter$CatHandler$2.handle(CatFilter.java:395) at com.dianping.cat.servlet.CatFilter$Context.handle(CatFilter.java:797) at com.dianping.cat.servlet.CatFilter$CatHandler$1.handle(CatFilter.java:271) at com.dianping.cat.servlet.CatFilter$Context.handle(CatFilter.java:797) at com.dianping.cat.servlet.CatFilter.doFilter(CatFilter.java:115) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.basebiz.stargate.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.ibu.platform.shark.sdk.service.SharkWebFilter.doFilter(SharkWebFilter.java:114) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.ibu.cargo.filter.CargoFilter.doFilter(CargoFilter.java:43) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.flight.progress.common.filter.ServiceLogFilter.doFilter(ServiceLogFilter.java:45) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.flight.progress.common.filter.SecurityFilter.doFilter(SecurityFilter.java:44) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.flight.progress.common.filter.SEOpageFilter.doFilter(SEOpageFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.flight.progress.common.filter.RequestRateLimitFilter.doFilter(RequestRateLimitFilter.java:81) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.flight.progress.common.filter.HeaderFilter.doFilter(HeaderFilter.java:89) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at com.ctrip.basebiz.stargate.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:89) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) 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:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115) at org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59) at org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:179) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:154) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:670) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:928) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1786) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:1583)