我正在尝试在Eclipse中使用Maven构建Struts 1 Web项目。我收到以下错误：
我的pom.xml如下：
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.maven.practice</groupId>
<artifactId>maven-practice</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>maven-practice Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-core</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-taglib</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-el</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-tiles</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-faces</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-scripting</artifactId>
<version>1.3.10</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.14</version>
</dependency>
</dependencies>
<build>
<finalName>maven-practice</finalName>
</build>
</project>
struts-config.xml：<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
"http://struts.apache.org/dtds/struts-config_1_2.dtd">
<struts-config>
<form-beans>
<form-bean name="HelloWorldForm" type="vanila.HelloWorldForm" />
<form-bean name="SignUpForm" type="vanila.SignUpForm" />
</form-beans>
<global-exceptions>
</global-exceptions>
<global-forwards>
<forward name="welcome" path="/Welcome.do" />
</global-forwards>
<action-mappings>
<action name="HelloWorldForm" path="/HelloWorld" type="vanila.HelloWorldAction" validate="true" input="/home/index.jsp" scope="request">
<forward name="success" path="/home/helloWorld.jsp" />
<forward name="error" path="/home/error.jsp" />
<forward name="signup" path="/home/signUp.jsp" />
</action>
<action name="SignUpForm" path="/SignUp" type="vanila.SignUpAction" validate="true" input="/home/signUp.jsp" scope="request">
<forward name="success" path="/home/success.jsp" />
<forward name="error" path="/home/error.jsp" />
</action>
</action-mappings>
<controller processorClass="org.apache.struts.tiles.TilesRequestProcessor" />
<message-resources parameter="com/vaannila/ApplicationResource" />
<plug-in className="org.apache.struts.tiles.TilesPlugin">
<set-property property="definitions-config" value="/WEB-INF/tiles-defs.xml" />
<set-property property="moduleAware" value="true" />
</plug-in>
<!-- ========================= Validator plugin ================================= -->
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property property="pathnames"
value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml" />
</plug-in>
</struts-config>
最后是web.xml如下：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<display-name>
maven-struts-practice</display-name>
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>application</param-name>
<param-value>livechat</param-value>
</init-param>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>listings</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>60</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<taglib>
<taglib-uri>/tags/struts-bean</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-html</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-logic</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-nested</taglib-uri>
<taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
</taglib>
</web-app>
更具体地说，这是我的项目结构：
帮我解决这个问题。
最佳答案
检查WEB-INF中tld文件的版本以及库中相应的jar文件。
我在lib文件夹中有struts-tiles-1.3.10.jar，在WEB-INF中有旧版本的struts-tiles.tld。它引发了我同样的错误。用我替换的struts-tiles.tld文件进入WEB-INF文件夹中的struts-tiles-1.3.10.jar（通过提取jar文件）后，它工作正常。
关于java - 无法加载或实例化TagExtraInfo类:org.apache.struts.taglib.bean.CookieTei，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/25424814/