Re: Possible n+1 hibernate bug with tapestry crud.

[Lance Java]

Geoff describes it here
http://jumpstart.doublenegative.com.au/jumpstart/examples/navigation/onactivateandonpassivate/3
Basically you shouldn't do db lookups in onActivate() and should use
onPrepare() instead.
For this same reason, I think it's a bad idea to use @PageActivationContext
with a hibernate entity