java

spring和struts整合

abloz 2015-05-27
2015-05-27

周海汉 2015.5.27

目录结构：

zhh@bbj % ls
WebContent src
zhh@bbj % find .
.
./.classpath
./.DS_Store
./.project
./.settings
./.settings/.jsdtscope
./.settings/org.eclipse.jdt.core.prefs
./.settings/org.eclipse.wst.common.component
./.settings/org.eclipse.wst.common.project.facet.core.xml
./.settings/org.eclipse.wst.jsdt.ui.superType.container
./.settings/org.eclipse.wst.jsdt.ui.superType.name
./.springBeans
./src
./src/applicationContext.xml
./src/com
./src/com/bbj
./src/com/bbj/action
./src/com/bbj/action/GetMediaList.java
./src/com/bbj/action/Media.java
./src/com/bbj/action/MediaMgr.java
./src/com/bbj/action/TestGet.java
./src/com/bbj/model
./src/com/bbj/model/SampleData.java
./src/struts.xml
./WebContent
./WebContent/.DS_Store
./WebContent/index.jsp
./WebContent/META-INF
./WebContent/META-INF/MANIFEST.MF
./WebContent/WEB-INF
./WebContent/WEB-INF/.DS_Store
./WebContent/WEB-INF/classes
./WebContent/WEB-INF/classes/.DS_Store
./WebContent/WEB-INF/classes/applicationContext.xml
./WebContent/WEB-INF/classes/com
./WebContent/WEB-INF/classes/com/.DS_Store
./WebContent/WEB-INF/classes/com/bbj
./WebContent/WEB-INF/classes/com/bbj/.DS_Store
./WebContent/WEB-INF/classes/com/bbj/action
./WebContent/WEB-INF/classes/com/bbj/action/GetMediaList.class
./WebContent/WEB-INF/classes/com/bbj/action/Media.class
./WebContent/WEB-INF/classes/com/bbj/action/MediaMgr.class
./WebContent/WEB-INF/classes/com/bbj/action/TestGet.class
./WebContent/WEB-INF/classes/com/bbj/model
./WebContent/WEB-INF/classes/com/bbj/model/SampleData.class
./WebContent/WEB-INF/classes/struts.xml
./WebContent/WEB-INF/jsp
./WebContent/WEB-INF/jsp/getlist.jsp
./WebContent/WEB-INF/lib
./WebContent/WEB-INF/lib/asm-3.3.jar
./WebContent/WEB-INF/lib/asm-commons-3.3.jar
./WebContent/WEB-INF/lib/asm-tree-3.3.jar
./WebContent/WEB-INF/lib/commons-chain-1.2.jar
./WebContent/WEB-INF/lib/commons-collections-3.1.jar
./WebContent/WEB-INF/lib/commons-fileupload-1.3.1.jar
./WebContent/WEB-INF/lib/commons-io-2.2.jar
./WebContent/WEB-INF/lib/commons-jci-core-1.1.jar
./WebContent/WEB-INF/lib/commons-jci-fam-1.1.jar
./WebContent/WEB-INF/lib/commons-lang3-3.2.jar
./WebContent/WEB-INF/lib/commons-logging-1.1.3.jar
./WebContent/WEB-INF/lib/freemarker-2.3.22.jar
./WebContent/WEB-INF/lib/google-collections-1.0.jar
./WebContent/WEB-INF/lib/javassist-3.11.0.GA.jar
./WebContent/WEB-INF/lib/log4j-api-2.2.jar
./WebContent/WEB-INF/lib/log4j-core-2.2.jar
./WebContent/WEB-INF/lib/ognl-3.0.6.jar
./WebContent/WEB-INF/lib/spring-aop-4.1.6.RELEASE.jar
./WebContent/WEB-INF/lib/spring-beans-4.1.6.RELEASE.jar
./WebContent/WEB-INF/lib/spring-context-4.1.6.RELEASE.jar
./WebContent/WEB-INF/lib/spring-core-4.1.6.RELEASE.jar
./WebContent/WEB-INF/lib/spring-expression-4.1.6.RELEASE.jar
./WebContent/WEB-INF/lib/spring-web-4.1.6.RELEASE.jar
./WebContent/WEB-INF/lib/struts2-core-2.3.24.jar
./WebContent/WEB-INF/lib/struts2-json-plugin-2.3.24.jar
./WebContent/WEB-INF/lib/struts2-spring-plugin-2.3.24.jar
./WebContent/WEB-INF/lib/velocity-1.6.4.jar
./WebContent/WEB-INF/lib/xwork-core-2.3.24.jar
./WebContent/WEB-INF/web.xml




applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"
>

<bean id="getlist" class="com.bbj.action.GetMediaList" scope="prototype"></bean>
<bean id="media" class="com.bbj.action.Media" scope="prototype"></bean>
<bean id="mediamgr" class="com.bbj.action.MediaMgr" scope="prototype"></bean>
<bean id="sampledata" class="com.bbj.model.SampleData" scope="prototype"></bean>

<bean id="testget" class="com.bbj.action.TestGet" scope="prototype"></bean>

</beans>

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
<constant name="struts.objectFactory" value="org.apache.struts2.spring.StrutsSpringObjectFactory" />
    <constant name="struts.enable.DynamicMethodInvocation" value="false" />
    <constant name="struts.devMode" value="true" />

<package name="default" namespace="/" extends="json-default">
<action name="getlist" class="com.bbj.action.GetMediaList" method="execute">
<result type="json">
<param name="root">mediaLists</param>
</result>
</action>
<action name="audiolist" class="com.bbj.action.GetMediaList" method="getAudioList">
<result type="json">
<param name="root">mediaLists</param>
</result>
</action>
<action name="videolist" class="com.bbj.action.GetMediaList" method="getVideoList">
<result type="json">
<param name="root">mediaLists</param>
</result>
</action>
<action name="testget" class="com.bbj.action.TestGet" method="execute">
<result type="json">
<param name="root">message</param>
</result>
</action>
<!-- action name="getmgr" class="com.bbj.GetMediaList" method="getMgr">
<result type="json"> <param name="root">mgrList</param> </result> </action> -->
</package>
</struts>

web.xml

<?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" id="WebApp_ID" version="3.0">
  <display-name>bbj</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.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
 
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
</context-param>
<context-param>
    <param-name>contextClass</param-name>
    <param-value>org.apache.struts2.spring.ClassReloadingXMLWebApplicationContext</param-value>
</context-param>
</web-app>

问题：

  1. java.lang.NoClassDefFoundError: org/apache/commons/jci/monitor/FilesystemAlterationListener

使用到了ClassReloadingXMLWebApplicationContext这个类，这个类的父类中会实现FilesystemAlterationListener接口，这个接口在struts和spring提供的jar包中是找不到的，其包含在apache的commons的jci库中，具体到jar包为commons-jci-fam-1.1.jar 下载地址：http://commons.apache.org/proper/commons-jci/ 

commons-jci-fam-1.1.jar

2.整合完毕时浏览器中找不到action

Stacktraces

Unable to instantiate Action, com.bbj.GetMediaList, defined for ‘videolist’ in namespace ‘/’com.bbj.GetMediaList - action - file:/Users/zhh/Documents/workspace1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/bbj/WEB-INF/classes/struts.xml:22:79

    com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:314)
    com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:395)

java.lang.ClassNotFoundException: com.bbj.GetMediaList

 

console没有报任何错误。但浏览http://localhost:8189/bbj/getlist时报上述错误。

刚开始以为spring配置有问题，因为我action中使用了容器，bean中并没有配置。后面写了一个简单的bean来测试也是上述错误，发现原来这是struts中配置的action的class的路径配置错误，实际包是com.bbj.action.GetMediaList.

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