I can't start my application because of this error. Please help me how to resolve it:
2004-03-30 21:37:47 StandardContext[/projet]Error configuring application listener of class com.sun.faces.config.ConfigListener java.lang.SecurityException: class "com.sun.faces.config.ConfigListener"'s signer information does not match signer information of other classes in the same package at java.lang.ClassLoader.checkCerts(ClassLoader.java:599) at java.lang.ClassLoader.defineClass(ClassLoader.java:532) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1677) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:900) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1350) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1230) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3721) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4270) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:866) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:850) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:638) at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:320) at org.apache.catalina.core.StandardHost.install(StandardHost.java:875) at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:657) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:476) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1008) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:394) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1134) at org.apache.catalina.core.StandardHost.start(StandardHost.java:832) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1126) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:521) at org.apache.catalina.core.StandardService.start(StandardService.java:519) at org.apache.catalina.core.StandardServer.start(StandardServer.java:2345) at org.apache.catalina.startup.Catalina.start(Catalina.java:594) 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:324) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:297) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)
