You can place the classes12.jar in your ear file. You will have to add the following entry to application.xml in the META-INF folder of your ear:
<module> <java>classes12.jar</java> </module>
Your reply worked.
PS: Where do you get all these information, i searched it on net and was unable to find any information...thanks again.
Most of it i get from the Wiki pages or FAQs and sometimes from this forum