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HTTP状态500-org.apache.jasper.JasperException：javax.servlet.ServletException：java.lang.NoClassDefFoundError

[英]HTTP Status 500 - org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError

原文 2014-05-21 15:33:20 0 1 java/ spring/ tomcat/ runtime-error

Following this example http://viralpatel.net/blogs/spring-3-mvc-handling-forms/ I'm facing an error I can't solve. 在此示例之后， http://viralpatel.net/blogs/spring-3-mvc-handling-forms/我遇到了我无法解决的错误。

When I start the server (Tomcat 7) I don't get any errors, but when I run the application on the server in Eclipse I see on the page: 当我启动服务器（Tomcat 7）时，没有任何错误，但是当我在Eclipse中的服务器上运行应用程序时，我在页面上看到了：

HTTP Status 500 - org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils HTTP状态500-org.apache.jasper.JasperException：javax.servlet.ServletException：java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils

type Exception report 类型例外报告

message org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils 消息org.apache.jasper.JasperException：javax.servlet.ServletException：java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils

description The server encountered an internal error that prevented it from fulfilling this request. 描述服务器遇到内部错误，导致服务器无法满足此请求。

exception 例外

org.apache.jasper.JasperException: org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.JasperException：org.apache.jasper.JasperException：javax.servlet.ServletException：java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils org.apache.jasper.servlet.JspServletWrapper.handleJspException（JspServlet .java：549）org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:455）org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）org.apache.jasper.servlet.JspServlet .service（JspServlet.java:334）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）

root cause 根本原因

org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.springframework org.apache.jasper.JasperException：javax.servlet.ServletException：java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils org.apache.jasper.servlet.JspServletWrapper.handleJspException（JspServletWrapper.java:549）org.apache .jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:455）org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334 ）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.java:238）org.springframework.web.servlet.view.AbstractView.render （AbstractView.java:262）org.springframework.web.servlet.DispatcherServlet.render（DispatcherServlet.java:1180）org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:950）org.springframework.web.servlet .DispatcherServlet.doService（DispatcherServlet.java:852）org.springframework .web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) javax.servlet.http.HttpServlet.service(HttpServlet.java:620) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:750) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:720) org.apache.jsp.index_jsp._jspService(index_jsp.java:72) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) .web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:882）org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:778）javax.servlet.http.HttpServlet.service（HttpServlet.java:620）javax .servlet.http.HttpServlet.service（HttpServlet.java:727）org.apache.jasper.runtime.PageContextImpl.doForward（PageContextImpl.java:750）org.apache.jasper.runtime.PageContextImpl.forward（PageContextImpl.java:720））org.apache.jsp.index_jsp._jspService（index_jsp.java:72）org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）javax.servlet.http.HttpServlet.service（HttpServlet.java:727 ）org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）org.apache.jasper.servlet.JspServlet.service（JspServlet .java：334）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）

root cause 根本原因

javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:916) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:845) org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService(contact_jsp.java:89) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) org.springframework.web.se javax.servlet.ServletException：java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils org.apache.jasper.runtime.PageContextImpl.doHandlePageException（PageContextImpl.java:916）org.apache.jasper.runtime.PageContextImpl.handlePageException （PageContextImpl.java:845）org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService（contact_jsp.java:89）org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）javax.servlet.http .HttpServlet.service（HttpServlet.java:727）org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）org.apache .jasper.servlet.JspServlet.service（JspServlet.java:334）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.java:238 ）org.springframework.web.servlet.view.AbstractView.render（AbstractView.java:262）org.springframework.web.se rvlet.DispatcherServlet.render(DispatcherServlet.java:1180) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) javax.servlet.http.HttpServlet.service(HttpServlet.java:620) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:750) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:720) org.apache.jsp.index_jsp._jspService(index_jsp.java:72) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFil rvlet.DispatcherServlet.render（DispatcherServlet.java:1180）org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:950）org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:852）组织。 springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:882）org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:778）javax.servlet.http.HttpServlet.service（HttpServlet.java:620） javax.servlet.http.HttpServlet.service（HttpServlet.java:727）org.apache.jasper.runtime.PageContextImpl.doForward（PageContextImpl.java:750）org.apache.jasper.runtime.PageContextImpl.forward（PageContextImpl.java： 720）org.apache.jsp.index_jsp._jspService（index_jsp.java:72）org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）javax.servlet.http.HttpServlet.service（HttpServlet.java： 727）org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) e（JspServlet.java:390）org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）

root cause 根本原因

java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate(AbstractFormTag.java:50) org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute(FormTag.java:385) org.springframework.web.servlet.tags.form.FormTag.autogenerateId(FormTag.java:377) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:142) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:126) org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421) org.springframework.web.servlet.tags.form.FormTag.writeTagContent(FormTag.java:334) org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102) org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(Requ java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate（AbstractFormTag.java:50）org.springframework.web.servlet.tags.form.FormTag .resolveModelAttribute（FormTag.java:385）org.springframework.web.servlet.tags.form.FormTag.autogenerateId（FormTag.java:377）org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId（AbstractDataBoundFormElementTag.java ：142）org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes（AbstractDataBoundFormElementTag.java:126）org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes（AbstractHtmlElementTag.java:421）org.springframework .web.servlet.tags.form.FormTag.writeTagContent（FormTag.java:334）org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal（AbstractFormTag.java:102）org.springframework.web.servlet.tags .RequestContextAwareTag.doStartTag（热曲 estContextAwareTag.java:79) org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0(contact_jsp.java:111) org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService(contact_jsp.java:79) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) org.springframework.web. estContextAwareTag.java:79）org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0（contact_jsp.java:111）org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService（contact_jsp.java:79） jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）组织。 apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334）javax.servlet.http.HttpServlet.service（HttpServlet.java:727） org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.java:238）org.springframework.web.servlet.view.AbstractView.render（AbstractView.java:262）org.springframework.web.servlet.DispatcherServlet。 render（DispatcherServlet.java:1180）org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:950）org.springframework.web。 servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) javax.servlet.http.HttpServlet.service(HttpServlet.java:620) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:750) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:720) org.apache.jsp.index_jsp._jspService(index_jsp.java:72) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) servlet.DispatcherServlet.doService（DispatcherServlet.java:852）org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:882）org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:778）javax。 servlet.http.HttpServlet.service（HttpServlet.java:620）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）org.apache.jasper.runtime.PageContextImpl.doForward（PageContextImpl.java:750）org。 apache.jasper.runtime.PageContextImpl.forward（PageContextImpl.java:720）org.apache.jsp.index_jsp._jspService（index_jsp.java:72）org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70） javax.servlet.http.HttpServlet.service（HttpServlet.java:727）org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java： 390）org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334）javax.servlet.http.HttpServlet.service（HttpServlet.java:727）

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.53 logs. note注意在Apache Tomcat / 7.0.53日志中可以找到根本原因的完整堆栈跟踪。

Apache Tomcat/7.0.53 Apache Tomcat / 7.0.53

and in the server console: 并在服务器控制台中：

21-mag-2014 17.21.12 org.apache.catalina.core.ApplicationDispatcher invoke GRAVE: Servlet.service() for servlet jsp threw exception java.lang.ClassNotFoundException: org.springframework.web.util.ExpressionEvaluationUtils at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) at org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate(AbstractFormTag.java:50) at org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute(FormTag.java:385) at org.springframework.web.servlet.tags.form.FormTag.autogenerateId(FormTag.java:377) at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:142) at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:126) at org.springframework.web.servlet.tags.form.AbstractHtmlEle 2014年2月21日17.21.12 org.apache.catalina.core.ApplicationDispatcher调用GRAVE：Servlet jsp的Servlet.service（）抛出异常java.lang.ClassNotFoundException：org.apache的org.springframework.web.util.ExpressionEvaluationUtils。位于org.apache.catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1571）的catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1720）位于org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate（ org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute（FormTag.java:385）处的org.springframework.web.servlet.tags.form.FormTag.autogenerateId（FormTag.java： 377）在org.org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId（AbstractDataBoundFormElementTag.java:142）在org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes（AbstractDataBoundFormElementTag.java:126）在org .springframework.web.servlet.tags.form.AbstractHtmlEle mentTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421) at org.springframework.web.servlet.tags.form.FormTag.writeTagContent(FormTag.java:334) at org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102) at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79) at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0(contact_jsp.java:111) at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService(contact_jsp.java:79) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.Appli org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal（org.springframework.web.servlet.tags.form.FormTag.writeTagContent（FormTag.java:334）处的mentTag.writeDefaultAttributes（AbstractHtmlElementTag.java:421） org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag（RequestContextAwareTag.java:79）处org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0（contact_jsp.java:111）处的AbstractFormTag.java:102）位于org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）的.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService（contact_jsp.java:79）在javax.servlet.http.HttpServlet.service（HttpServlet） .java：727），位于org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java：432），位于org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java：390），位于org.apache.jasper。 org.apache.catalina.core.Appli上的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）上的servlet.JspServlet.service（JspServlet.java:334） cationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）的org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationDispatcher.java:748）的阳离子FilterChain.internalDoFilter（ApplicationFilterChain.java:303） org.apache.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java:411）位于org.apache.catalina.core.ApplicationDispatcher.forward（ApplicationDispatcher）处的.apache.catalina.core.ApplicationDispatcher.processRequest（ApplicationDispatcher.java:486） .java：338）（位于org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.java:238），位于org.springframework.web.servlet.view.AbstractView.render（AbstractView.java:262）。 org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:950）上的springframework.web.servlet.DispatcherServlet.render（DispatcherServlet.java:1180）org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet。 Java的：852） at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:750) at org.apache.jasper.runtime.PageContextImpl.forwa 在org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:882）在org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:778）在javax.servlet.http.HttpServlet.service（HttpServlet） org.apache.catalina.core的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）的.java：620）org.apache.catalina.core的org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）。 org.org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationDispatcher.java:748）的org.apache.catalina.core.ApplicationDispatcher.processRequest（ApplicationDispatcher.java:486）的ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208） org.apache.catalina.core.ApplicationDispatcher.forward（ApplicationDispatcher.java:338）上的.apache.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java:411）在org.apache.jasper.runtime.PageContextImpl.doForward（PageContextImpl .java：750），位于org.apache.jasper.runtime.PageContextImpl.forwa rd(PageContextImpl.java:720) at org.apache.jsp.index_jsp._jspService(index_jsp.java:72) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core. org.apache.jsp.index_jsp._jspService的rd（PageContextImpl.java:720）.javax.servlet.http的org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）的rd（PageContextImpl.java:720） org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）处的.HttpServlet.service（HttpServlet.java:727）org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）处org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain）上的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）上的org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334） org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）处org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:220）处org.apache.catalina.core位于org.apache.catalina.core的.StandardContextValve.invoke（StandardContextValve.java:122）（位于org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:501））。 StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) 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) 21-mag-2014 17.21.12 org.apache.catalina.core.ApplicationDispatcher invoke GRAVE: Servlet.service() for servlet spring threw exception java.lang.ClassNotFoundExcept org.org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:98）的StandardHostValve.invoke（StandardHostValve.java:170）org.org的org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:950） org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:408）的.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）在org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor） .java：1040），位于org.apache.tomcat.util.net.JIoEndpoint $ SocketProcessor.run（JIoEndpoint.java:313），位于org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:607）。 util.concurrent.ThreadPoolExecutor $ Worker.runTask（未知源）at java.util.concurrent.ThreadPoolExecutor $ Worker.run（未知源）at java.lang.Thread.run（未知源）2014年2月21日，org .apache.catalina.core.ApplicationDispatcher调用GRAVE：Servlet的Servlet.service（）抛出了java.lang.ClassNotFoundExcept异常 ion: org.springframework.web.util.ExpressionEvaluationUtils at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) at org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate(AbstractFormTag.java:50) at org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute(FormTag.java:385) at org.springframework.web.servlet.tags.form.FormTag.autogenerateId(FormTag.java:377) at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:142) at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:126) at org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421) at org.springframework.web.servlet.tags.form.FormTag.writeTagContent(FormTag.java:334) at org.spr 离子：位于org.apache.catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1571）的org.apache.catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1720）上的org.springframework.web.util.ExpressionEvaluationUtils org.springframework.org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute（FormTag.java:385）上的org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate（AbstractFormTag.java:50）。位于org.springframework.web.servlet的org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId（AbstractDataBoundFormElementTag.java:142）的web.servlet.tags.form.FormTag.autogenerateId（FormTag.java:377） org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes（AbstractHtmlElementTag.java:421）位于org.springframework.web.servlet.tags.form处的tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes（AbstractDataBoundFormElementTag.java:126） org.spr上的FormTag.writeTagContent（FormTag.java:334） ingframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102) at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79) at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0(contact_jsp.java:111) at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService(contact_jsp.java:79) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag（RequestContextAwareTag.java:79）上的ingframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal（AbstractFormTag.java:102）在org.apache.jsp.WEB_002dINF处。 org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService（contact_jsp.java:79）上的jsp.contact_jsp._jspx_meth_form_005fform_005f0（contact_jsp.java:111）在org.apache.jasper.runtime.HttpJspBase.service：（HttpJsp 70）在org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）在javax.servlet.http.HttpServlet.service（HttpServlet.java:727）在org.apache.jasper.servlet.JspServlet.serviceJspFile （JspServlet.java:390），位于org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334），位于org.apache.catalina的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）。 org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）的core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303） at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) at org.springframework.web.servlet.FrameworkServlet.doGet(Framework 在org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationDispatcher.java:748）在org.apache.catalina.core.ApplicationDispatcher.processRequest（ApplicationDispatcher.java:486）在org.apache.catalina.core.ApplicationDispatcher.doForward （ApplicationDispatcher.java:411）位于org.apache.catalina.core.ApplicationDispatcher.forward（ApplicationDispatcher.java:338）位于org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.java:238） org.springframework.web.servlet.DispatcherServlet.render（DispatcherServlet.java:1180）的org.springframework.web.servlet.DispatcherServlet.doDispatch（）的springframework.web.servlet.view.AbstractView.render（AbstractView.java:262） org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:852）位于org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:882）位于org.springframework.web .servlet.FrameworkServlet.doGet（框架 Servlet.java:778) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:750) at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:720) at org.apache.jsp.index_jsp._jspService(index_jsp.java:72) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at org.apache.catalina.core.ApplicationFilterChain上的javax.servlet.http.HttpServlet.service（HttpServlet.java:620）上的Servlet.java:778） org.org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）的org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationDispatcher.java:748）的.internalDoFilter（ApplicationFilterChain.java:303）位于org.apache.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java:411）的apache.catalina.core.ApplicationDispatcher.processRequest（ApplicationDispatcher.java:486）位于org.apache.catalina.core.ApplicationDispatcher.forward（ApplicationDispatcher。 java：338）位于org.apache.jasper.runtime.PageContextImpl.doForward（PageContextImpl.java:750）位于org.apache.jasper.runtime.PageContextImpl.forward（PageContextImpl.java:720）位于org.apache.jsp.index_jsp ._jspService（index_jsp.java:72）位于org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70） javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valve org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.org）上的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）在org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432） org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334）处org.apache.catalina.core.ApplicationFilterChain处javax.servlet.http.HttpServlet.service（HttpServlet.java:727）处org.org.apache.catalina.core的.internalDoFilter（ApplicationFilterChain.java:303）org.org的org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:220）的ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）。在org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:501）处的apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:122）在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve。 org.apache.catalina.valve上的java：170）（ErrorReportValve.java:98） s.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) 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) 21-mag-2014 17.21.12 org.apache.catalina.core.StandardWrapperValve invoke GRAVE: Servlet.service() for servlet [jsp] in context with path [/FormPage] threw exception [org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/springframework/web/util/ExpressionEvaluationUtils] wit s.AccessLogValve.invoke（AccessLogValve.java:950）位于org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）位于org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:408）在org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1040）在org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:607）在org.apache.tomcat.util.net.JIoEndpoint java.util.concurrent.ThreadPoolExecutor $ Worker.runTask上的$ SocketProcessor.run（JIoEndpoint.java:313）java.lang.Thread处的java.util.concurrent.ThreadPoolExecutor $ Worker.run（未知源）的$ SocketProcessor.run（JIoEndpoint.java:313）。运行（未知源）2014年2月21日17.21.12 org.apache.catalina.core.StandardWrapperValve在路径[/ FormPage]的上下文中为Servlet [jsp]调用GRAVE：Servlet.service（）引发异常[org.apache。 jasper.JasperException：javax.servlet.ServletException：java.lang.NoClassDefFoundError：org / springframework / web / util / ExpressionEvaluationUtils]机智 h root cause java.lang.ClassNotFoundException: org.springframework.web.util.ExpressionEvaluationUtils at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) at org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate(AbstractFormTag.java:50) at org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute(FormTag.java:385) at org.springframework.web.servlet.tags.form.FormTag.autogenerateId(FormTag.java:377) at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:142) at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:126) at org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421) at org.springframework.web.servlet.tags.form.FormTag.wr h根本原因java.lang.ClassNotFoundException：org.springframework.web.util.ExpressionEvaluationUtils at org.apache.catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1720）at org.apache.catalina.loader.WebappClassLoader.loadClass（ org.springframework.web.servlet.tags.form.AbstractFormTag.evaluate（AbstractFormTag.java:50）处的WebappClassLoader.java:1571）org.springframework.web.servlet.tags.form.FormTag.resolveModelAttribute（FormTag.java： 385）在org.org.springframework.web.servlet.tags.form.FormTag.autogenerateId（FormTag.java:377）在org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId（AbstractDataBoundFormElementTag.java:142）位于org.springframework.web的.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes（AbstractDataBoundFormElementTag.java:126）在org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes（AbstractHtmlElementTag.java:421）在org.springframework.web .servlet.tags.form.FormTag.wr iteTagContent(FormTag.java:334) at org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102) at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79) at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0(contact_jsp.java:111) at org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService(contact_jsp.java:79) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain. org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal（AbstractFormTag.java:102）上的iteTagContent（FormTag.java:334）在org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag（RequestContextAwareTag.java： 79）在org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspService（contact_jsp.java:79）在org.apache.jsp.WEB_002dINF.jsp.contact_jsp._jspx_meth_form_005fform_005f0（contact_jsp.java:111）在orgperapapache。位于org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）处的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）处的.runtime.HttpJspBase.service（HttpJspBase.java:70） org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334）上的org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）在javax.servlet.http.HttpServlet.service（HttpServlet。 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）处org.apache.catalina.core.ApplicationFilterChain。 doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) at org.springframework.we org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationFilterpatin.java:748）处的org.apache.catalina.core.ApplicationDispatcher.processRequest（ApplicationDispatcher.java:486）处的doFilter（ApplicationFilterChain.java:208） org.apache.catalina.core.ApplicationDispatcher.forward（ApplicationDispatcher.java:338）上的.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java:411）在org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView .java：238），位于org.springframework.web.servlet.view.AbstractView.render（AbstractView.java：262），位于org.springframework.web.servlet.DispatcherServlet.render（DispatcherServlet.java：1180）。位于org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:852）的web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:950）位于org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java： 882）在org.springframework.we b.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338) at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:750) at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:720) at org.apache.jsp.index_jsp._jspService(index_jsp.java:72) at org.apache.jasper.runtime.Ht b.servlet.FrameworkServlet.doGet（FrameworkServlet.java:778）在org处的javax.servlet.http.HttpServlet.service（HttpServlet.java:620）在javax.servlet.http.HttpServlet.service（HttpServlet.java:727） org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）上的.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）在org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationDispatcher .java：748），位于org.apache.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java：411），位于org.apache.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java：411），位于org.apache.catalina.core.ApplicationDispatcher.java。 org.apache.jasper.runtime.PageContextImpl.doForward（PageContextImpl.java:750）处的core.ApplicationDispatcher.forward（ApplicationDispatcher.java:338）在org.apache.jasper.runtime.PageContextImpl.forward（PageContextImpl.java:720）处在org.apache.jasper.runtime.Ht的org.apache.jsp.index_jsp._jspService（index_jsp.java:72） tpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportV org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:432）处的javax.servlet.http.HttpServlet.service（HttpServlet.java:727）处的tpJspBase.service（HttpJspBase.java:70） org.apache.jasper.servlet.JspServlet.service（JspServlet.java:334）上的.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:390）在javax.servlet.http.HttpServlet.service（HttpServlet.java:727上））在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）在org.apache.catalina.core.StandardWrapperValve。在org.apache上的org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:501）上的org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:122）上的invoke（StandardWrapperValve.java:220） org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportV）上的.catalina.core.StandardHostValve.invoke（StandardHostValve.java:170） alve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) 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) 在org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:950）的alve.java:98）在org.apache.catalina的org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）的alve.java:98） org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1040）上的.connector.CoyoteAdapter.service（CoyoteAdapter.java:408）在org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:607））在org.apache.tomcat.util.net.JIoEndpoint $ SocketProcessor.run（JIoEndpoint.java:313）在java.util.concurrent.ThreadPoolExecutor $ Worker.runTask（Unknown Source）在java.util.concurrent.ThreadPoolExecutor $ Worker .run（未知源）java.lang.Thread.run（未知源）

The libraries I've imported are: 我导入的库是：

commons-logging 共享记录
jsp JSP
jstl JSTL
org.springframework.web.servlet-3.1.1 org.springframework.web.servlet-3.1.1
spring-aop-4.0.4 弹簧AOP-4.0.4
spring-beans-4.0.4 弹簧豆-4.0.4
spring-context-4.0.4 弹簧上下文4.0.4
spring-core-4.0.4 弹簧芯4.0.4
spring-expression-4.0.4 弹簧表达-4.0.4
sprig-web-4.0.4 小枝的web-4.0.4
spring-webmvc-4.0.4 弹簧webmvc-4.0.4