OptimisticConcurrencyException with one user, one table

hi,
I found this topic http://forums.bea.com/bea/message.jspa?messageID=202428380&tstart=90 where optimistic concurrancy is causing trouble on WLS 7.0. We're currently having sporadic OptimisticConcurrencyExceptions where only one user is working on a set of data, updating number of tables but in a manner where OptimisticConcurrencyException should not happen. And what's even worse is that we a number of server environments running in clusters where in one environment we get a lot of these and in another we don't get any. The code is the very same in both.
From the previous topic I read that one should not mess with timestamp since container does this. Unfortunately we do that all over the place, so my question is that is this the wrong way to do it still on WLS 8.1.5? Any help is appriciated!

Anyone? Please?

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