HTTP状态500-在Struts2应用程序中处理JSP页面时发生异常

Z时代
2024-01-10
分类：问答

我在学习Struts2并在托管应用程序时遇到以下问题。托管应用程序时index.jsp，带有/ struts-tags示例<s:form>,

<s:url>等的页面将引发异常。

common-lang3.jar commons-fileupload-1.3.jar commons-io-2.0.1.jar commons-logging-1.1.3.jar commons-logging-api-1.1.jar freemarker-2.3.19.jar javassist-3.11.0.GA.jar ognl-3.0.6.jar struts2-core-2.3.15.3.jar xwork-core-2.3.15.3.jar

**HTTP Status 500 - An exception occurred processing JSP page /index.jsp at line 12** **type** Exception report **message** An exception occurred processing JSP page /index.jsp at line 12 **description** The server encountered an internal error that prevented it from fulfilling this request. **exception** org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 12 9: </head> 10: 11: <body> 12: <s:form action="empinfo" method="post"> 13: <s:textfield name="name" label="Name" size="20" /> 14: <s:textfield name="age" label="Age" size="20" /> 15: <s:submit name="submit" label="Submit" align="center" /> Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:521) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:412) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) javax.servlet.http.HttpServlet.service(HttpServlet.java:723) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96) **root cause** javax.servlet.ServletException: java.lang.NoSuchMethodError: org.apache.commons.lang3.StringUtils.containsIgnoreCase(Ljava/lang/CharSequence;Ljava/lang/CharSequence;)Z org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:865) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:794) org.apache.jsp.index_jsp._jspService(index_jsp.java:84) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:723) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) javax.servlet.http.HttpServlet.service(HttpServlet.java:723) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96) **root cause** java.lang.NoSuchMethodError: org.apache.commons.lang3.StringUtils.containsIgnoreCase(Ljava/lang/CharSequence;Ljava/lang/CharSequence;)Z org.apache.struts2.views.util.DefaultUrlHelper.buildUrl(DefaultUrlHelper.java:180) org.apache.struts2.views.util.DefaultUrlHelper.buildUrl(DefaultUrlHelper.java:75) org.apache.struts2.views.util.DefaultUrlHelper.buildUrl(DefaultUrlHelper.java:70) org.apache.struts2.components.ServletUrlRenderer.renderFormUrl(ServletUrlRenderer.java:200) org.apache.struts2.components.Form.populateComponentHtmlId(Form.java:231) org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:801) org.apache.struts2.components.ClosingUIBean.start(ClosingUIBean.java:55) org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:53) org.apache.jsp.index_jsp._jspx_meth_s_005fform_005f0(index_jsp.java:104) org.apache.jsp.index_jsp._jspService(index_jsp.java:74) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:723) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) javax.servlet.http.HttpServlet.service(HttpServlet.java:723) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96)

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
   pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Employee Form</title>
</head>
<body>
   <s:form action="empinfo" method="post">
      <s:textfield name="name" label="Name" size="20" />
      <s:textfield name="age" label="Age" size="20" />
      <s:submit name="submit" label="Submit" align="center" />
   </s:form>
</body>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
   "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
   "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
 <constant name="struts.devMode" value="true" />
   <package name="helloworld" extends="struts-default">
      <action name="empInfo" class="com.tutorialspoint.struts2.EmployeeAction" method="execute">
            <result name="input">/index.jsp</result>
            <result name="success">/success.jsp</result>
      </action>
   </package>
</struts>

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <display-name>HelloWorldStruts2</display-name>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
    <filter>
        <filter-name>struts2</filter-name>
        <!--<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>-->
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>