Another anti-pattern: replacing components while not invalidating the page. This gives problems with the back button. If you do not want *any* backbutton problems, you should work paged based (like Hangman does). The disadvantage of this is that the re-use of highlevel components like panels will be harder.

Eelco

Eelco Hillenius wrote:

I tried it some time ago, and did not find leaks. I would be a good idea for more people to do some serious profiling.

Anti-patterns would be using too many internal classes (I just found out); you'll end up with spaghetti code. And - though not an anti-pattern - be carefull about your component's instance variables (including objects you use in anonymous classes) as they are stored in the session.

Eelco


Jonathan Carlson wrote:

Has anyone tried running a Wicket app over a long period of time to make sure that old objects are garbage collected properly? (Preferably with something like JMeter hitting pages the whole time)
Are there any anti-patterns to avoid?
- Jonathan



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