为什么会出这样的错误
Struts Problem Report
Struts has detected an unhandled exception:
Messages: •Expression row[keyId] is undefined on line 94, column 212 in WEB-INF/ftl_lib/ponyjava.com/ui/table.ftl.
File: freemarker/core/TemplateObject.java
Line number: 124
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Stacktraces
freemarker.core.InvalidReferenceException: Expression row[keyId] is undefined on line 94, column 212 in WEB-INF/ftl_lib/ponyjava.com/ui/table.ftl.
freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
freemarker.core.Expression.getStringValue(Expression.java:118)
freemarker.core.Expression.getStringValue(Expression.java:93)
freemarker.core.DollarVariable.accept(DollarVariable.java:76)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.IfBlock.accept(IfBlock.java:82)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.Environment.visit(Environment.java:394)
freemarker.core.BodyInstruction.accept(BodyInstruction.java:93)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.Macro$Context.runMacro(Macro.java:168)
freemarker.core.Environment.visit(Environment.java:602)
freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179)
freemarker.core.Environment.visit(Environment.java:416)
freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:167)
freemarker.core.Environment.visit(Environment.java:416)
freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.Macro$Context.runMacro(Macro.java:168)
freemarker.core.Environment.visit(Environment.java:602)
freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.MixedContent.accept(MixedContent.java:92)
freemarker.core.Environment.visit(Environment.java:209)
freemarker.core.Environment.process(Environment.java:189)
freemarker.template.Template.process(Template.java:237)
org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:187)
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:361)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:163)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:249)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.ponyjava.common.struts2.interceptor.DomainNameInterceptor.doIntercept(DomainNameInterceptor.java:24)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:532)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
com.jeecms.core.web.AccessControlFilter.doFilter(AccessControlFilter.java:69)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
java.lang.Thread.run(Thread.java:619)
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