type Exception report
message Request processing failed; nested exception is freemarker.core.InvalidReferenceException: Expression teacher.certificationStatus is undefined on line 109, column 197 in blog/index.ftl.
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is freemarker.core.InvalidReferenceException: Expression teacher.certificationStatus is undefined on line 109, column 197 in blog/index.ftl. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:965) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) com.zhizuobiao.filter.AjaxPostFilter.doFilterInternal(AjaxPostFilter.java:58) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
root cause
freemarker.core.InvalidReferenceException: Expression teacher.certificationStatus is undefined on line 109, column 197 in blog/index.ftl. freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125) freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:135) freemarker.core.BuiltIn$stringBI._getAsTemplateModel(BuiltIn.java:425) freemarker.core.Expression.getAsTemplateModel(Expression.java:89) freemarker.core.DynamicKeyName._getAsTemplateModel(DynamicKeyName.java:79) freemarker.core.Expression.getAsTemplateModel(Expression.java:89) freemarker.core.Expression.getStringValue(Expression.java:93) freemarker.core.DollarVariable.accept(DollarVariable.java:76) freemarker.core.Environment.visit(Environment.java:221) freemarker.core.MixedContent.accept(MixedContent.java:92) freemarker.core.Environment.visit(Environment.java:221) freemarker.core.Environment.process(Environment.java:199) freemarker.template.Template.process(Template.java:237) org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:366) org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:283) org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:233) org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:264) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1208) org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:992) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:939) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) com.zhizuobiao.filter.AjaxPostFilter.doFilterInternal(AjaxPostFilter.java:58) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.51 logs.