我已经部署了我的Web应用程序，该应用程序在Tomcat7中大量使用了richfaces 4.0最终组件，myfaces 2.0.13（JSF 2.0 imp）。但是当我尝试运行我的应用程序时，我不断收到以下异常（同一个应用程序曾经在带有 Mojarra 6 的 tomcat 2.0 上成功运行
）：javax.servlet.ServletException: Servlet.init() for servlet Faces Servlet threw exception
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
java.lang.Thread.run(Thread.java:662)
root cause
javax.faces.FacesException: java.lang.reflect.InvocationTargetException
javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:350)
javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
javax.faces.FactoryFinder.getFactory(FactoryFinder.java:191)
org.apache.myfaces.context.FacesContextFactoryImpl.<init>(FacesContextFactoryImpl.java:129)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
java.lang.Class.newInstance0(Class.java:355)
java.lang.Class.newInstance(Class.java:308)
javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:326)
javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
javax.faces.FactoryFinder.getFactory(FactoryFinder.java:191)
javax.faces.webapp.FacesServlet.init(FacesServlet.java:112)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
java.lang.Thread.run(Thread.java:662)
root cause
java.lang.reflect.InvocationTargetException
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:338)
javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
javax.faces.FactoryFinder.getFactory(FactoryFinder.java:191)
org.apache.myfaces.context.FacesContextFactoryImpl.<init>(FacesContextFactoryImpl.java:129)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
java.lang.Class.newInstance0(Class.java:355)
java.lang.Class.newInstance(Class.java:308)
javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:326)
javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
javax.faces.FactoryFinder.getFactory(FactoryFinder.java:191)
javax.faces.webapp.FacesServlet.init(FacesServlet.java:112)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
java.lang.Thread.run(Thread.java:662)
root cause
java.lang.NullPointerException
org.richfaces.context.FileUploadPartialViewContextFactory.<init>(FileUploadPartialViewContextFactory.java:77)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:338)
javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
javax.faces.FactoryFinder.getFactory(FactoryFinder.java:191)
org.apache.myfaces.context.FacesContextFactoryImpl.<init>(FacesContextFactoryImpl.java:129)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
java.lang.Class.newInstance0(Class.java:355)
java.lang.Class.newInstance(Class.java:308)
javax.faces.FactoryFinder.newFactoryInstance(FactoryFinder.java:326)
javax.faces.FactoryFinder._getFactory(FactoryFinder.java:286)
javax.faces.FactoryFinder.getFactory(FactoryFinder.java:191)
javax.faces.webapp.FacesServlet.init(FacesServlet.java:112)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
java.lang.Thread.run(Thread.java:662)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.27 logs.
如果有人帮助我解决这个问题，我会很高兴吗？
我已经转移到富面孔 4.2，一切正常。我对结果感到满意。所以谢谢。我猜富面4.0 final（文件上传器）有一个错误。