I'm running RichFaces 3.2.1 with JSF 1.2 on a WebSphere 6.1 (the app is smoothly running in a JBoss & Tomcat environment too). During startup of the app the following exception is thrown
[01.09.08 14:02:40:389 CEST] 0000000e config I Initializing Mojarra (1.2_08-b06-FCS) for context 'com.cg.g3his.someModule.seam.war' [01.09.08 14:02:41:124 CEST] 0000000e application I JSF1048: PostConstruct/PreDestroy annotations present. ManagedBeans methods marked with these annotations will have said annotations processed. [01.09.08 14:02:41:186 CEST] 0000000e WebApp E Exception caught while initializing context com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! Source Document: wsjar:file:/D:/G3/IBM/WebSphere/AppServer/profiles/AppSrv01/installedApps/LZMPA61Node01Cell/com_cg_g3his_someModule_seam_war.ear/com.cg.g3his.someModule.seam.war/WEB-INF/lib/richfaces-impl-3.2.1.GA.jar!/META-INF/faces-config.xml Cause: Unable to create a new instance of 'org.ajax4jsf.application.AjaxStateManager': java.lang.reflect.InvocationTargetException at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:212) at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:174)