1 No mapping found for dependency [type=java.lang.String, name='actionPackages
在升级到struts2-2.1.2报错主要信息如下：
Caused by: java.lang.RuntimeException: com.opensymphony.xwork2.inject.DependencyException: com.opensymphony.xwork2.inject.ContainerImpl$MissingDependencyException: No mapping found for dependency [type=java.lang.String, name='actionPackages'] in public void org.apache.struts2.config.ClasspathPackageProvider.setActionPackages(java.lang.String).
解决方法：如下
只要在web.xml中的struts filter加上actionPackages 如下所示： 就OK啦
< filter-name >struts </ filter-name >
< filter-class >
org.apache.struts2.dispatcher.FilterDispatcher
</ filter-class >
< init-param >
< param-name > actionPackages </ param-name >
< param-value > com.logo.group.webapp.action,com.logo.group.harvest.action </ param-value >
</ init-param >
</ filter >
2 报出 这样的错误：Error configuring application listener of class com.pdics.listener.ReceiveData
org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [WEB-INF/applicationContext.xml]; nested exception is java.io.FileNotFoundException: class path resource [WEB-INF/applicationContext.xml] cannot be opened because it does not exist
解决方法：是 ctx = new FileSystemXmlApplicationContext("WebRoot/WEB-INF/applicationContext_db.xml");
.xml明显是文件么，怎么能用ClassPathXmlApplicationContext呢
就Ok了l