ClassCastException AjaxDecodePhaseListener ?

[Michael Heinen]

Hi all,   I just tried to install a jsf application on another machine and got this exception on start:   java.lang.ClassCastException: org.apache.myfaces.custom.ajax.api.AjaxDecodePhaseListener  at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:711)  at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:398)  at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:328)  at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3692)  at org.apache.catalina.core.StandardContext.start(StandardContext.java:4127)  at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)  at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)  at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)  at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)  at org.apache.catalina.core.StandardService.start(StandardService.java:450)  at org.apache.catalina.core.StandardServer.start(StandardServer.java:680)  at org.apache.catalina.startup.Catalina.start(Catalina.java:536)  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)  at java.lang.reflect.Method.invoke(Unknown Source)  at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)  at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)   Environment: Tomcat 5.5.12 Jdk 1.5.0.6 MyFaces core 1.1.3 Tomahawk 1.1.3   The app runs fine on other machines.   Has anybody an idea how to solve this ?   Michael