LDAP连接后，报错！暂时没有解决办法。

freemarker.core.InvalidReferenceException: Expression bench is undefined on line 124, column 32 in ui.ftl.at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134)at freemarker.core.Dot._getAsTemplateModel(Dot.java:78)at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)at freemarker.core.Environment.visit(Environment.java:210)at freemarker.core.MixedContent.accept(MixedContent.java:92)at freemarker.core.Environment.visit(Environment.java:210)at freemarker.core.Environment.process(Environment.java:190)at freemarker.template.Template.process(Template.java:237)at org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:202)at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:373)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:277)at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:133)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166)at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)at com.ufc.ablaze.base.filter.AblazeCommonFilter.doFilter(AblazeCommonFilter.java:47)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)at com.ufc.ablaze.base.filter.AblazeSessionFilter.doFilter(AblazeSessionFilter.java:58)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:317)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:204)at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311)at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)at java.lang.Thread.run(Unknown Source)