We have an app- a large app, that is eating memory. We think the context variables in the manager class are persisting even after they shouldn't. So the general question is-why would this be?
Your question is really vague but I suggest that you check the scopes you are using. Maybe you are storing a lot of things in the session-scope (for example)?
What about profiling your application? VisualVM, jProfiler and YourKit are all useful and will shed a lot of lights on the dark corners.
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