"lzap" wrote : | The file jacorb.jar includes org.omg packages and I thought having it in the bootclasspath overrides Sun ones. | Those are omg classes that are not available in all JDKs. e.g. CosTransactions is not part of the JDK or some classes are not available in older JDK versions. anonymous wrote : | I will try to move the thread. | By "move the thread" I meant start a new thread in either the naming, deployment or ejb forums stating what your problem really is. Your initial question related to a method on the ORB classs which just gets delegated to the ORB singleton. Inside JBoss (in the all configuration) that is JacORB. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4143914#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...