Thanks for the reply. I suspect this is exactly the case we have created for ourselves. Although we have a good grasp on the detach process I suspect that there are places where this rule of thumb is not being followed. Although the example I gave is somewhat fictitious, any of the LDMs we have in our framework perform a detach on the parent. In the form there are numerous places where adhoc anonymous models are created and this is probably where the problems occur. Is there a recommended way to track these down? I ended up recompiling a version of Wicket with changes to LoadableDetachableModel that would essentially track every LDM within a RequestCycle. At the end of a request cycle I was left with a list of the models that never got detached. I also added a "whereAmI" member variable to LDM that would capture the stack trace in the constructor so I could figure out who instantiated the model in the first place.
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