Java HTTP 状态 500 - 在 Struts2 应用程序中处理 JSP 页面时发生异常
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时间：2020-08-13 02:41:01 来源:igfitidea点击:
HTTP Status 500 - An exception occurred processing JSP page in Struts2 application
提问by Shruthi Rao
I am learning Struts2 and facing the below problem while hosting my application.
The index.jsppage, having /struts-tags example <s:form>, <s:url>etc, is throwing exception when the application is hosted.
我正在学习 Struts2 并在托管我的应用程序时面临以下问题。index.jsp具有 /struts-tags 示例<s:form>, <s:url>等的页面在托管应用程序时抛出异常。
Jars used in the project:
项目中用到的jar包：
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
Exception stack-trace:
异常堆栈跟踪：
**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)
index.jsppage:
index.jsp页：
<%@ 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>
struts.xml:
struts.xml：
<?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>
web.xml:
web.xml：
<?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>
Please suggest how can I fix this issue.
请建议我如何解决这个问题。
采纳答案by Roman C
Seems you have incomplete library jars deployed in your project. Try to download required jars from maven repository or look up them in the struts distro libfolder.
似乎您的项目中部署了不完整的库 jar。尝试从 maven 存储库下载所需的 jars 或在 struts distrolib文件夹中查找它们。
commons-lang3-3.1.jar
is missing.
不见了。
