SSH框架的Action找不到错误，一脸懵逼，求各位大神！！

Question

报错信息为：
ERROR DefaultDispatcherErrorHandler Exception occurred during processing request: Unable to instantiate Action, productAction, defined for 'Product_save' in namespace '/product'productAction
Unable to instantiate Action, productAction, defined for 'Product_save' in namespace '/product'productAction - action - file:/D:/apache-tomcat-9.0.11/wtpwebapps/SSH2/WEB-INF/classes/struts.xml:11:68
at com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:320)
at com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:401)
at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:201)
at org.apache.struts2.factory.StrutsActionProxy.prepare(StrutsActionProxy.java:57)
at org.apache.struts2.factory.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:32)
at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:60)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:564)
at org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
at org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:770)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.ClassNotFoundException: productAction
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1309)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1138)
at com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:179)
at com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:129)
at com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:252)
at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:168)
at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:177)
at com.opensymphony.xwork2.factory.DefaultActionFactory.buildAction(DefaultActionFactory.java:40)
at com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:142)
at com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:301)
... 27 more
代码截图如下：
这是Action代码

struts.xml代码

index.jsp代码：

还有applicationContext.xml代码

Answer 1

检查是否在 web.xml 添加了 配置


org.springframework.web.context.ContextLoaderListener