問題描述

idea

maven

struts2.5+spring4.3.5+Hibernate5

通過注解開發，在jsp頁面找不到action 404

Struts Problem ReportStruts has detected an unhandled exception:Messages: There is no Action mapped for namespace [/] and action name [addUser] associated with context path [].StacktracesThere is no Action mapped for namespace [/] and action name [addUser] associated with context path []. - [unknown location] com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:192) org.apache.struts2.factory.StrutsActionProxy.prepare(StrutsActionProxy.java:63) org.apache.struts2.factory.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:37) com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:554) org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:81) org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:143) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1441) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Thread.java:745) You are seeing this page because development mode is enabled. Development mode, or devMode, enables extra debugging behaviors and reports to assist developers. To disable this mode, set: struts.devMode=falsein your WEB-INF/classes/struts.properties file.項目結構

<?xml version='1.0' encoding='UTF-8'?><web-app xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns='http://java.sun.com/xml/ns/javaee' xsi:schemaLocation='http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd' version='3.0'> <welcome-file-list><welcome-file>index.jsp</welcome-file> </welcome-file-list> <!-- 配置Spring的監聽器，用于初始化ApplicationContext對象 --> <listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param><param-name>contextConfigLocation</param-name><param-value>classpath:Spring.xml</param-value> </context-param> <!-- struts2 的配置 --> <filter><filter-name>struts2</filter-name><filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class><init-param> <param-name>filterConfig</param-name> <param-value>classpath:struts.xml</param-value></init-param><!-- 自動掃描action --><init-param> <param-name>actionPackages</param-name> <param-value>com.ssh</param-value></init-param> </filter> <filter-mapping><filter-name>struts2</filter-name><url-pattern>/*</url-pattern> </filter-mapping></web-app>spring配置

<?xml version='1.0' encoding='UTF-8'?><beans xmlns='http://www.springframework.org/schema/beans' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:context='http://www.springframework.org/schema/context' xmlns:tx='http://www.springframework.org/schema/tx' xsi:schemaLocation='http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.0.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-4.0.xsd'> <context:component-scan base-package='com.lab.action.*'/> <context:component-scan base-package='com.lab.dao.*'/> <context:component-scan base-package='com.lab.service.*'/> <!-- dbcp配置 --> <context:property-placeholder location='classpath:jdbc.properties'/> <bean name=' driverClassName'><property name='driverClass' value='${driverClass}'/><property name='jdbcUrl' value='${jdbcUrl}'/><property name='user' value='${user}'/><property name='password' value='${password}'/> </bean> <bean class='org.springframework.orm.hibernate4.LocalSessionFactoryBean'><property name='dataSource' ref='dataSource'/><property name='hibernateProperties'> <props><!--配置Hibernate的方言--><prop key='hibernate.dialect'> org.hibernate.dialect.MySQLDialect</prop><prop key='hibernate.hbm2ddl.auto'>update</prop><!--格式化輸出sql語句--><prop key='hibernate.show_sql'>true</prop><prop key='hibernate.format_sql'>true</prop><prop key='hibernate.use_sql_comments'>false</prop> </props></property><!--自動掃描實體 --><property name='packagesToScan' value='com.lab.entity'/> </bean> <!-- 用注解來實現事務管理 --> <bean class='org.springframework.orm.hibernate4.HibernateTransactionManager'><property name='sessionFactory' ref='sessionFactory'/> </bean> <tx:annotation-driven transaction-manager='txManager'/></beans>struts配置

<?xml version='1.0' encoding='UTF-8'?><!DOCTYPE struts PUBLIC'-//Apache Software Foundation//DTD Struts Configuration 2.5//EN''http://struts.apache.org/dtds/struts-2.5.dtd'><struts> <!-- 指定由spring負責action對象的創建 --> <constant name='struts.objectFactory' value='spring' /> <!-- 所有匹配*.action的請求都由struts2處理 --> <constant name='struts.action.extension' value='action' /> <!-- 是否啟用開發模式 --> <constant name='struts.devMode' value='true' /> <!-- struts配置文件改動后，是否重新加載 --> <constant name='struts.configuration.xml.reload' value='true' /> <!-- 設置瀏覽器是否緩存靜態內容 --> <constant name='struts.serve.static.browserCache' value='false' /> <!-- 請求參數的編碼方式 --> <constant name='struts.i18n.encoding' value='UTF-8' /> <!-- 每次HTTP請求系統都重新加載資源文件，有助于開發 --> <constant name='struts.i18n.reload' value='true' /> <!-- 文件上傳最大值 --> <constant name='struts.multipart.maxSize' value='104857600' /> <!-- 讓struts2支持動態方法調用 --> <constant name='struts.enable.DynamicMethodInvocation' value='true' /> <!-- Action名稱中是否還是用斜線 --> <constant name='struts.enable.SlashesInActionNames' value='false' /> <!-- 允許標簽中使用表達式語法 --> <constant name='struts.tag.altSyntax' value='true' /> <!-- 對于WebLogic,Orion,OC4J此屬性應該設置成true --> <constant name='struts.dispatcher.parametersWorkaround' value='false' /> <package name='basePackage' extends='struts-default'> </package></struts>userAction.java

package com.lab.action;import com.lab.entity.User;import com.lab.service.UserManager;import com.opensymphony.xwork2.ActionSupport;import org.apache.struts2.convention.annotation.Action;import org.apache.struts2.convention.annotation.Result;import org.apache.struts2.convention.annotation.Results;import javax.annotation.Resource;/** * Created by young on 2017/6/17. */@Results({@Result(name = 'success', location = '/success.jsp'),@Result(name = 'failure', location = '/failure.jsp')})public class UserAction extends ActionSupport { @Resource private UserManager userManager; private User user; @Action(value = 'addUser') public String addUser() {try { userManager.addUser(user);} catch (Exception e) { e.printStackTrace(); return 'failure';}return 'success'; } public User getUser() {return user; } public void setUser(User user) {this.user = user; }}參考

主要是參考 基于注解的SSH將配置精簡到極致

問題解答

UserAction類加 @Namespace('/')