我正在使用 Netbeans IDE 7.0.1，这些是我正在使用的库：
- antlr-2.7.6.jar
- commons-beanutils-1.8.1.jar
- commons-collections-3.2.jar
- commons-digester-2.0.jar
- commons-fileupload-1.2.1.jar
- commons-logging-1.0.4.jar
- dom4j-1.6.1.jar
- ejb3-persistence.jar
- freemarker-2.3.15.jar
- hibernate-annotations-3.2.0.ga.jar
- hibernate-commons-annotations.jar
- 休眠核心.jar
- hsqldb.jar
- javassist-3.9.0.GA.jar
- jta-1.1.jar
- log4j-1.2.15.jar
- mysql-connector-java-5.1.10-bin.jar
- ognl-2.7.3.jar
- slf4j-api-1.4.2.jar
- slf4j-log4j12-1.4.2.jar
- struts2-config-browser-plugin-2.1.6.jar
- struts2-core-2.1.8.1.jar
- struts2-dojo-plugin-2.2.3.1.jar
- xwork-core-2.1.6.jar
我创建了一个 Struts2 Web 应用程序，并使用 Netbeans 向导在一个新的包Web服务中添加了一个 Web 服务；在我的struts.xml我使用了以下内容：
<constant name="struts.action.excludePattern" value="/YouSportWS*"/>
但是当我通过单击Netbeans 上下文菜单中的测试 Web 服务来测试我的 Web 服务时，我的浏览器中出现以下错误：
Struts Problem Report
Struts has detected an unhandled exception:
Messages:
controller.MyWebService
Unable to instantiate Action, controller.YouSportWS, defined for 'YouSportWS' in namespace '/'controller.YouSportWS
File: org/glassfish/web/loader/WebappClassLoader.java
Line number: 1.519
Stacktraces
Unable to instantiate Action, controller.YouSportWS, defined for 'YouSportWS' in namespace '/'controller.YouSportWS
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:307)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:388)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:187)
org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:478)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
com.sun.grizzly.ContextTask.run(ContextTask.java:71)
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
java.lang.Thread.run(Thread.java:722)
java.lang.ClassNotFoundException: controller.YouSportWS
org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1519)
org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1369)
com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:146)
com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:96)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:149)
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:139)
com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:109)
com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:288)
com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:388)
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:187)
org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:478)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
com.sun.grizzly.ContextTask.run(ContextTask.java:71)
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
java.lang.Thread.run(Thread.java:722)
我的设置有什么问题？