Erro no log do Tomcat... O que pode ser esse problema?

09/04/2012 14:31:51 org.apache.catalina.core.StandardContext listenerStart

GRAVE: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener

java.lang.NoSuchFieldError: DefaultSuffix

at com.sun.faces.application.view.MultiViewHandler.<init>(MultiViewHandler.java:89)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

at java.lang.Class.newInstance0(Class.java:355)

at java.lang.Class.newInstance(Class.java:308)

at com.sun.faces.util.Util.createInstance(Util.java:578)

at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:778)

at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:596)

at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:496)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)

at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:675)

at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:559)

at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1399)

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.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)

at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)

at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)

at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1500)

at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:849)

at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:351)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:563)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)

at java.lang.Thread.run(Thread.java:662)

09/04/2012 14:31:51 org.apache.catalina.core.ApplicationContext log

INFO: Closing Spring root WebApplicationContext