I get how that happens now. Thanks for tracing and explaining. Nasty
one. I opened up a bug
http://sourceforge.net/tracker/index.php?func=detail&aid=1554508&group_id=119783&atid=684975
and assigned it to Johan to look at if he has some spare time.

Eelco

On 9/7/06, Iman Rahmatizadeh <[EMAIL PROTECTED]> wrote:
> Well here's a trace of what happens that causes the problem :
> During the RESOLVE_TARGET step of RequestCycle, the target is trying to
> be resolved using the DefaultRequestTargetResolverStrategy, which first
> inside the resolveRenderedPage() method uses Session.getPage() to get
> the page,(which adds it to the usedPages map,a hidden side-effect
> imho),and then calls resolveListenerInterfaceTarget() where it retrieves
> the Component for the path and calls isVisibleInHierarchy() on it. This
> method throws an exception in my application, which is caught back in
> the RequestCycle. Now, the target didn't have a chance to be added to
> requestTargets, but the page has been added to the usedPages. In the
> detach phase, the requestTargets are detached one by one, which in this
> case is only the exception page generated. So when i push back and click
> on another link with the same page id, it'll fall into the loop
> mentioned, cause the thread hasn't been cleared. I guess this somehow
> means a problem with the usedPages map, where it should be cleared on an
> exception.
>
> Iman
>
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http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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