You might try using Jetty or Resin instead of Tomcat.

http://raibledesigns.com/page/rd?entry=tssjs_friday_morning_rife_and#comments

On 3/30/06, Adam Zimowski <[EMAIL PROTECTED]> wrote:
> Yep. That would be a suicide to have caching disabled. In fact I
> already have caching turned on while "readiness" testing. But I'm
> wondering if you guys know of an efficient way to deal with this while
> in developement?
>
> Adam
>
> On 3/30/06, Geoff Longman <[EMAIL PROTECTED]> wrote:
> > Tap caching is a development time only device and has know problems
> > like OOMEs. You should not deploy an application to a production
> > server with caching disabled.
> >
> > Geoff
> >
> > On 3/30/06, Adam Zimowski <[EMAIL PROTECTED]> wrote:
> > > Mornin' again.
> > >
> > > So I'm finally done with coding initial version of my app. I've
> > > survived countless OOEM's after hot-redeploys of my app during
> > > developement (I had caching disabled of course), but I knew about
> > > those OutOfMemoryExceptions from numerous thread posts here and
> > > elsewhere on the net. Now that I'm "readiness" testing my app with
> > > caching enabled, the app is rocking like a speed daemon, and OOEM's
> > > are gone. That's nice, the issue will come up when I start coding 0.2.
> > > One guy summarized this problem pretty well:
> > >
> > > Quoting "musson.michael at gmail.com" :
> > > > When I looked at this in Jan 31 (see archives) the error I ran into
> > > > was an OOME. When I looked at the actual stack-trace I could see that
> > > > it was the permanent heap that was out of memory. This is significant
> > > > since the permanent heap is used for storing classes and types. I have
> > > > never seen a profiler that analyses the permanent heap in detail - it
> > > > would be interesting to know if someone knows if such a tool exists.
> > > > The permanent heap is most probably never garbage collected, this
> > > > would amount to throwing away class definitions. This is usually not a
> > > > problem since an ordinary application has a finite number of classes
> > > > defined and when they are loaded that is it.
> > > > Now, when in development mode I assume, and this is just a guess, that
> > > > Tapestry is enhancing and creating _new_ classes every time a page is
> > > > loaded. This will fill the permanent heap after a while and when that
> > > > is full you'll get OOME.
> > > > When Tapestry can cache the classes it creates the permanent heap will
> > > > not fill up with new classes and everything should work as expected.
> > > > So this will only be a problem when in development mode, I wouldn't
> > > > even consider it a bug in Tapestry (this can happen with JSP compilers
> > > > also), merely a fact of life as a developer Smile
> > >
> > > Now, for my initial version 0.1 I was able to put up with it without
> > > much annoyance because the app is still fairly small. I can see this
> > > being a major problem as my app grows, because developement will
> > > become a lot harder due to this problem.
> > >
> > > So my question to you guys is, how do you deal with this? Is it a
> > > Tapestry "feature" or my Servlet container bug? I'm using Tomcat 5.0
> > > and I'm planning on upgrading to Tomcat 5.5 after releasing my app as
> > > I know Tomcat has some issues of its own.
> > >
> > > Regards,
> > > Adam
> > >
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> > >
> >
> >
> > --
> > The Spindle guy. http://spindle.sf.net
> > Blog:                  http://jroller.com/page/glongman
> > Other interests:  http://www.squidoo.com/spaceelevator/
> >
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