moving a progeress software from one linux server to other linux server

hi all
we(in our company) are moving the progress software from one linux server to other linux server and its already having java 1.4.2.now after moving to client linux server,its saying that java 1.4.2 is not compatible.can we install again the new higher version of java in it or we want to install again the progress software?

please explain in detail

regards
Richards
 
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