"Wolfgang Knauf" wrote : Hi, | | I think you should remove all three files from WEB-INF\lib of the WAR. | | The JBoss ones are found at those locations: | -ejb3-persistence.jar => common\lib | -el-api.jar => common\lib | , jsf-api.jar => server\default\deploy\jbossweb.sar\jsf-libs | Normally, NetBeans should add those to the references/class path of your project (at least Eclipse does so ;-) ). | | Best regards | | Wolfgang I agree, except that under NetBeans, the project will not build after these are removed. I am not sure where to add them into the NetBeans compile path without them ending up a part of the project. Ideas? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4253196#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...