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FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)
The following has evaluated to null or missing:
==> QuestionBean [in template "WEB-INF/templates/homepage/sjz/question/questionDetail.ftl" at line 90, column 117]
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Tip: If the failing expression is known to be legally refer to something that's 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)??
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FTL stack trace ("~" means nesting-related):
- Failed at: ${QuestionBean.questionId} [in template "WEB-INF/templates/homepage/sjz/question/questionDetail.ftl" at line 90, column 115]
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Java stack trace (for programmers):
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freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:116)
at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:60)
at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:40)
at freemarker.core.NonHashException.<init>(NonHashException.java:46)
at freemarker.core.Dot._eval(Dot.java:45)
at freemarker.core.Expression.eval(Expression.java:78)
at freemarker.core.Expression.evalAndCoerceToString(Expression.java:82)
at freemarker.core.DollarVariable.accept(DollarVariable.java:40)
at freemarker.core.Environment.visit(Environment.java:312)
at freemarker.core.MixedContent.accept(MixedContent.java:62)
at freemarker.core.Environment.visit(Environment.java:312)
at freemarker.core.Environment.process(Environment.java:290)
at freemarker.template.Template.process(Template.java:312)
at org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:223)
at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:191)
at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:372)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:276)
at org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:168)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:76)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:125)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:253)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:140)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:575)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
at com.neusoft.framework.filter.ServletFilter.doFilter(ServletFilter.java:27)
at com.tongweb.web.core.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at com.tongweb.web.core.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:225)
at com.neusoft.framework.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:44)
at com.tongweb.web.core.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at com.tongweb.web.core.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:225)
at com.tongweb.web.core.core.StandardWrapperValve.invoke(StandardWrapperValve.java:324)
at com.tongweb.web.core.core.StandardContextValve.invokeInternal(StandardContextValve.java:275)
at com.tongweb.web.core.core.StandardContextValve.invoke(StandardContextValve.java:206)
at com.tongweb.web.core.core.StandardPipeline.doInvoke(StandardPipeline.java:649)
at com.tongweb.web.core.core.StandardPipeline.doInvoke(StandardPipeline.java:594)
at com.tongweb.web.WebPipeline.invoke(WebPipeline.java:96)
at com.tongweb.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:99)
at com.tongweb.web.core.core.StandardHostValve.invoke(StandardHostValve.java:220)
at com.tongweb.web.core.core.StandardPipeline.doInvoke(StandardPipeline.java:649)
at com.tongweb.web.core.core.StandardPipeline.doInvoke(StandardPipeline.java:594)
at com.tongweb.web.core.core.StandardPipeline.invoke(StandardPipeline.java:588)
at com.tongweb.web.core.core.ContainerBase.invoke(ContainerBase.java:1100)
at com.tongweb.web.core.core.StandardEngineValve.invoke(StandardEngineValve.java:167)
at com.tongweb.web.core.core.StandardPipeline.doInvoke(StandardPipeline.java:649)
at com.tongweb.web.core.core.StandardPipeline.doInvoke(StandardPipeline.java:594)
at com.tongweb.web.core.core.StandardPipeline.invoke(StandardPipeline.java:588)
at com.tongweb.web.core.core.ContainerBase.invoke(ContainerBase.java:1100)
at com.tongweb.web.oro.wrap.CoyoteAdapter.service(CoyoteAdapter.java:289)
at com.tongweb.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:646)
at com.tongweb.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:578)
at com.tongweb.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:830)
at com.tongweb.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
at com.tongweb.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
at com.tongweb.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
at com.tongweb.web.connector.grizzly.TaskBase.run(TaskBase.java:265)
at com.tongweb.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:116)