Hi, When I try to run the simple sample I get this error: Exception in thread "main" java.lang.NoClassDefFoundError: javax/transaction/xa/XAResource at Client.main(Client.java:23) I've search my system for that class file but can't find it. Is it a problem with setting the classpath to my java directory or is it something else? If so, where would I get it from? thanks in advance, Chris