Expression tag_list is undefined on line 17, column 8 in sites/rensheju/template/template8/include/channel_meta.html. The problematic instruction: ---------- ==> list tag_list as n [on line 17, column 1 in sites/rensheju/template/template8/include/channel_meta.html] in user-directive channel_parent_list [on line 16, column 1 in sites/rensheju/template/template8/include/channel_meta.html] in include "../include/channel_meta.html" [on line 4, column 1 in sites/rensheju/template/template8/channel/channel_article.html] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression tag_list is undefined on line 17, column 8 in sites/rensheju/template/template8/include/channel_meta.html. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:100) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.Environment$1.render(Environment.java:246) at com.tcms.directive.channel.ChannelParentListDirective.execute(ChannelParentListDirective.java:115) at freemarker.core.Environment.visit(Environment.java:274) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:126) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.Environment.include(Environment.java:1508) at freemarker.core.Include.accept(Include.java:169) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:221) at freemarker.core.Environment.process(Environment.java:199) at freemarker.template.Template.process(Template.java:237) at com.tcms.pagestatic.util.PageStaticUtil.createStaticFile(PageStaticUtil.java:427) at com.tcms.pagestatic.service.impl.PageStaticSvcImpl.channelStatic(PageStaticSvcImpl.java:2130) at com.tcms.pagestatic.service.impl.PageStaticSvcImpl.channelStatic(PageStaticSvcImpl.java:183) at com.tcms.pagestatic.action.AjaxPageStaticAction.genChannelPage(AjaxPageStaticAction.java:302) at sun.reflect.GeneratedMethodAccessor1054.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789) at javax.servlet.http.HttpServlet.service(HttpServlet.java:643) at javax.servlet.http.HttpServlet.service(HttpServlet.java:723) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.tcms.sysmgt.filter.MemberfrontFilter.doFilter(MemberfrontFilter.java:155) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.tcms.sysmgt.filter.AuthFilter.doFilter(AuthFilter.java:246) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:662)