Sping在JSP页面输出"HelloWorld"的错误

这是什么错误.在Eclipse编写的利用Sping在JSP页面输出"HelloWorld"的错误.帮忙解决.
Mail:[email protected];
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HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Servlet.init() for servlet dispatcherServlet threw exception
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
java.lang.Thread.run(Unknown Source)
root cause org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.myHelloWorld.action.HelloWorldCommandController] for bean with name 'helloWorldCommandController' defined in ServletContext resource [/WEB-INF/dispatcherServlet-servlet.xml]; nested exception is java.lang.ClassNotFoundException: com.myHelloWorld.action.HelloWorldCommandController
org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1061)
org.springframework.beans.factory.support.AbstractBeanFactory.isBeanClassMatch(AbstractBeanFactory.java:1086)
org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:173)
org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:736)
org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:403)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:334)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:311)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:258)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:229)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:115)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
java.lang.Thread.run(Unknown Source)
root cause java.lang.ClassNotFoundException: com.myHelloWorld.action.HelloWorldCommandController
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
org.springframework.util.ClassUtils.forName(ClassUtils.java:201)
org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:321)
org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1058)
org.springframework.beans.factory.support.AbstractBeanFactory.isBeanClassMatch(AbstractBeanFactory.java:1086)
org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:173)
org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:736)
org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:403)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:334)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:311)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:258)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:229)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:115)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
java.lang.Thread.run(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.20 logs.