Franz Willer [https://community.jboss.org/people/fwiller] created the discussion "Re: ClassNotFoundException: com.sun.org.apache.xerces.internal.dom.DocumentImpl - JBoss-as-7.1.0.Final" To view the discussion, visit: https://community.jboss.org/message/723137#723137 -------------------------------------------------------------- I had a similar issue deploying a SLSB as webservice and recognized, that my ear has a lot of jars (including saaj) in the lib directory. After clean up the ears lib to include only my application jars, the ClassNotFoundException isn't thrown anymore! Maybe this is a hint for solving your problem. Kind regards Willi -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/723137#723137] Start a new discussion in JBoss Web Services at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]