Could not load user defined listener: com.sun.faces.application.WebappLifecycleL

https://forums.oracle.com/forums/thread.jspa?messageID=10680643

错误信息：
<Error> <HTTP> <BEA-101163> <Could not load user defined listener: com.sun.faces.application.WebappLifecycleListener
java.lang.IllegalArgumentException: [HTTP:101164]User defined class com.sun.faces.application.WebappLifecycleListener is not a listener, as it does not implement the correct interface(s).
at weblogic.servlet.internal.EventsManager.addEventListener(EventsManager.java:506)
at weblogic.servlet.internal.EventsManager.registerEventListener(EventsManager.java:424)
at weblogic.servlet.internal.EventsManager.registerEventListeners(EventsManager.java:125)
at weblogic.servlet.internal.EventsManager.registerEventListeners(EventsManager.java:83)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1728)
Truncated. see log file for complete stacktrace


This is probably some jsf library issue.
Which technology are you using? (ADF is not supported on WLS 12c)
If you have jsf-api.jar or jsf-impl.jar in your deployment, try to remove them.

Dario