By the way, are you packaging any jar(s) containing org.jboss.ejb.client.* classes in your application? Like the jboss-client.jar or jboss-ejb-client.jar? If yes, then remove such jars from the application packaging.
By the way, are you packaging any jar(s) containing org.jboss.ejb.client.* classes in your application? Like the jboss-client.jar or jboss-ejb-client.jar? If yes, then remove such jars from the application packaging.