I have this code Context c = new InitialContext(); UserTransaction ut = (UserTransaction) c.lookup("java:comp/UserTransaction"); ut.begin(); // perform multiple operations... ut.commit() I am not able to create the user transaction object in websphere3.5 environment An exception NamingException is thrown, when i print the exception using getMessage() , i get "java:comp/UserTransaction". Is there any settings which need to be done in websphere. Please help as this is of great importance regards Sunil    More>>