我正在使用 WSO2 应用程序服务器。当尝试使用 JSF 部署 WAR 文件构建时，java.lang.ClassNotFoundException: javax.faces.webapp.FacesServlet会在 WSO2 AS 上抛出。我有 3 个问题；
- 为什么抛出这个异常？
- 是不是因为 Tomcat 不支持 Java EE 和 JSF。
- 如果是这样，为什么我们不能使用 TomEE。
有关更多详细信息，我将在此处粘贴错误日志。
[2014-08-29 02:06:27,153] ERROR {org.apache.catalina.core.StandardContext} - Servlet /EnterpriseApplication-war threw load() exception
java.lang.ClassNotFoundException: javax.faces.webapp.FacesServlet
at org.wso2.carbon.webapp.mgt.loader.CarbonWebappClassLoader.loadClass(CarbonWebappClassLoader.java:138)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:133)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1137)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1081)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.wso2.carbon.tomcat.internal.CarbonTomcat.addWebApp(CarbonTomcat.java:280)
at org.wso2.carbon.tomcat.internal.CarbonTomcat.addWebApp(CarbonTomcat.java:177)
at org.wso2.carbon.webapp.mgt.TomcatGenericWebappsDeployer.handleWebappDeployment(TomcatGenericWebappsDeployer.java:222)
at org.wso2.carbon.webapp.mgt.TomcatGenericWebappsDeployer.handleWarWebappDeployment(TomcatGenericWebappsDeployer.java:174)
at org.wso2.carbon.webapp.mgt.TomcatGenericWebappsDeployer.handleHotDeployment(TomcatGenericWebappsDeployer.java:141)
at org.wso2.carbon.webapp.mgt.TomcatGenericWebappsDeployer.deploy(TomcatGenericWebappsDeployer.java:116)
at org.wso2.carbon.webapp.mgt.AbstractWebappDeployer.deployThisWebApp(AbstractWebappDeployer.java:140)
at org.wso2.carbon.webapp.mgt.AbstractWebappDeployer.deploy(AbstractWebappDeployer.java:90)
at org.wso2.carbon.webapp.deployer.WebappDeployer.deploy(WebappDeployer.java:42)
at org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
at org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:810)
at org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
at org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:377)
at org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:254)
at org.apache.axis2.deployment.DeploymentEngine.loadServices(DeploymentEngine.java:139)
at org.wso2.carbon.core.CarbonAxisConfigurator.loadServices(CarbonAxisConfigurator.java:464)
at org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:95)
at org.wso2.carbon.core.CarbonConfigurationContextFactory.createNewConfigurationContext(CarbonConfigurationContextFactory.java:65)
at org.wso2.carbon.core.init.CarbonServerManager.initializeCarbon(CarbonServerManager.java:398)
at org.wso2.carbon.core.init.CarbonServerManager.start(CarbonServerManager.java:219)
at org.wso2.carbon.core.internal.CarbonCoreServiceComponent.activate(CarbonCoreServiceComponent.java:74)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
at org.eclipse.equinox.http.servlet.internal.Activator.registerHttpService(Activator.java:81)
at org.eclipse.equinox.http.servlet.internal.Activator.addProxyServlet(Activator.java:60)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.init(ProxyServlet.java:40)
at org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.init(DelegationServlet.java:38)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1267)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1186)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1081)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)