请大家看看，小弟遇到一个这样的错误！！！FreeMarker template error!

Question

FreeMarker template error!Expression eKey is undefined on line 62, column 63 in template/simple/fielderror.ftl.
The problematic instruction:
----------
==> assignment: eValue=fieldErrors[eKey] [on line 62, column 33 in template/simple/fielderror.ftl]
----------Java backtrace for programmers:
----------
freeer.core.InvalidReferenceException: Expression eKey is undefined on line 62, column 63 in template/simple/fielderror.ftl.
at freeer.core.TemplateObject.assertNonNull(TemplateObject.java:124)
at freeer.core.DynamicKeyName._getAsTemplateModel(DynamicKeyName.java:85)
at freeer.core.Expression.getAsTemplateModel(Expression.java:89)
at freeer.core.Assignment.accept(Assignment.java:90)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.IteratorBlock$Context.runLoop(IteratorBlock.java:160)
at freeer.core.Environment.visit(Environment.java:351)
at freeer.core.IteratorBlock.accept(IteratorBlock.java:95)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.ConditionalBlock.accept(ConditionalBlock.java:79)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.IfBlock.accept(IfBlock.java:82)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.ConditionalBlock.accept(ConditionalBlock.java:79)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.MixedContent.accept(MixedContent.java:92)
at freeer.core.Environment.visit(Environment.java:196)
at freeer.core.Environment.process(Environment.java:176)
at freeer.template.Template.process(Template.java:232)
at org.apache.struts2.components.template.FreeerTemplateEngine.renderTemplate(FreeerTemplateEngine.java:168)
at org.apache.struts2.components.UIBean.mergeTemplate(UIBean.java:530)
at org.apache.struts2.components.UIBean.end(UIBean.java:484)
at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:43)
at org.apache.jsp.jsp.visitor_005finfo_005finput_jsp._jspx_meth_s_005ffielderror_005f0(visitor_005finfo_005finput_jsp.java:141)
at org.apache.jsp.jsp.visitor_005finfo_005finput_jsp._jspService(visitor_005finfo_005finput_jsp.java:103)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:139)
at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178)
at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:348)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:253)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:150)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:48)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:184)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept

Answer 1

你把fielderror.ftl这个模板发出来

Answer 2

<#--
/*
 * $Id: Action.java 502296 2007-02-01 17:33:39Z niallp $
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
-->
<#if fieldErrors?exists><#t/>
<#assign eKeys = fieldErrors.keySet()><#t/>
<#assign eKeysSize = eKeys.size()><#t/>
<#assign doneStartUlTag=false><#t/>
<#assign doneEndUlTag=false><#t/>
<#assign haveMatchedErrorField=false><#t/>
<#if (fieldErrorFieldNames?size > 0) ><#t/>
<#list fieldErrorFieldNames as fieldErrorFieldName><#t/>
<#list eKeys as eKey><#t/>
<#if (eKey = fieldErrorFieldName)><#t/>
<#assign haveMatchedErrorField=true><#t/>
<#assign eValue = fieldErrors[fieldErrorFieldName]><#t/>
<#if (haveMatchedErrorField && (!doneStartUlTag))><#t/>
<ul>
<#assign doneStartUlTag=true><#t/>
</#if><#t/>
<#list eValue as eEachValue><#t/>
<li><span<#rt/>
<#if parameters.cssClass?exists>
 class="${parameters.cssClass?html}"<#rt/>
<#else>
 class="errorMessage"<#rt/>
</#if>
<#if parameters.cssStyle?exists>
 style="${parameters.cssStyle?html}"<#rt/>
</#if>
>${eEachValue}</span></li>
</#list><#t/>
</#if><#t/>
</#list><#t/>
</#list><#t/>
<#if (haveMatchedErrorField && (!doneEndUlTag))><#t/>
</ul>
<#assign doneEndUlTag=true><#t/>
</#if><#t/>
<#else><#t/>
<#if (eKeysSize > 0)><#t/>
<ul>
<#list eKeys as eKey><#t/>
<#assign eValue = fieldErrors[eKey]><#t/>
<#list eValue as eEachValue><#t/>
<li><span<#rt/>
<#if parameters.cssClass?exists>
 class="${parameters.cssClass?html}"<#rt/>
<#else>
 class="errorMessage"<#rt/>
</#if>
<#if parameters.cssStyle?exists>
 style="${parameters.cssStyle?html}"<#rt/>
</#if>
>${eEachValue}</span></li>
</#list><#t/>
</#list><#t/>
</ul>
</#if><#t/>
</#if><#t/>
</#if><#t/>
我是在进行表单校验时才报这个error