我有一个 JSF 2 和 Tomcat 7.0.0 不断出现的问题。当我设置 Apache MyFaces 2.0.4(通过将所有 jar 放入我的WEB-INF/lib
文件夹中)时,Tomcat 成功部署了我的 WAR 文件。
但是,当我以与设置 MyFaces 相同的方式设置 JSF (Mojarra 2.1.0 - FCS) 时,会出现以下异常(这会导致 Tomcat 失败)。
java.lang.InstantiationException: com.sun.faces.application.ServletContextSensitiveSingletonStore
at java.lang.Class.newInstance0(Class.java:340)
at java.lang.Class.newInstance(Class.java:308)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:118)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4268)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4771)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:138)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:785)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:763)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:558)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:674)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:599)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:538)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1390)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:355)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:312)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:292)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:998)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:772)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:138)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:990)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:275)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:138)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:424)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:138)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:648)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:138)
at org.apache.catalina.startup.Catalina.start(Catalina.java:576)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:415)
我已经完成了谷歌搜索,但没有有效的解决方案来解决这个问题。
我的 web.xml 是 3.0 版(虽然这是不必要的,但我把它放在这里以防有人问)。
为什么这在Tomcat上不起作用的任何可能原因?