Hello all,
I have a very basic question I hope someone can help me with.
I'm not sure on how to package an application so that updating it while
it's running won't cause any problems. For instance, I'm packaging a
quite typical java app that has a swing GUI and stores its data in a
database. In the event of an update requiring modifications to the
database schema I had thought of including these in the %pre or %post
sections, but I assume this could lead to the app breaking to pieces if
the old version is running when the changes meant for the newer version
are made. A similar problem could occur if I update some jar and the
running app happens to load some classes from it that won't work
properly with the older version. Am I making any sense with this?
How can I get around these issues? are there other I should look out for
that I'm not considering?
I'd highly appreciate any advice/tips/links you could give me.
Regards.
Adrián.
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