jsf - javax.servlet.ServletContainerInitializer: Provider org.apache.myfaces.ee6.MyFacesContainerInitializer not a subtype -

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i'm trying migrate jsf (myfaces, trinidad) project 1.2 2.0. i've followed this link. below i've did.

1. updated xmlns of faces-config.xml, web.xml, facelets.xml
2. updated jar files (myfaces 2.0.16, trinidad 2.0.1)
3. removed facelets
3. removed alternate_view_handler tag web.xml
4. changed classloadermode parent_last in 8.5

using jspx alone , not xhtml pages. el-api 2.2 , el-ri 1.1.11 in our lib folder
when start server, i'm getting below exception. please me resolve problem.

containerhelp e   wsvr0501e: error creating component com.ibm.ws.runtime.component.compositionunitmgrimpl@8d7ccd79 com.ibm.ws.exception.runtimewarning: com.ibm.ws.webcontainer.exception.webappnotloadedexception: failed load webapp: <b>failed load webapp: javax.servlet.servletcontainerinitializer: provider org.apache.myfaces.ee6.myfacescontainerinitializer not subtype </b>     @ com.ibm.ws.webcontainer.component.webcontainerimpl.install(webcontainerimpl.java:432)     @ com.ibm.ws.webcontainer.component.webcontainerimpl.start(webcontainerimpl.java:718)  ....... ....... caused by: java.util.serviceconfigurationerror: javax.servlet.servletcontainerinitializer: provider org.apache.myfaces.ee6.myfacescontainerinitializer not subtype     @ java.util.serviceloader$serviceiterator.next(serviceloader.java:212)     @ com.ibm.ws.webcontainer.webapp.webappimpl.initializeservletcontainerinitializers(webappimpl.java:535)     @ com.ibm.ws.webcontainer.webapp.webappimpl.initialize(webappimpl.java:409)


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