If this doesn’t cause pain, I would do the following:
1) Replace all in-body scriptlets and use JSTL core tags in offending
JSPs. Most of the codebloats are caused by using intermediate scriptlets
e.g.
<% if (foo.bar() == jack.jill() ) { %>
// lots of jsp code
<%} else <%{ %>
2) use all your code in a stand-alone java class or lambda
Function/BiFunction. And call that using a single line to do all processing.
3) if you’re using ant for building, you can write a task utilising bcel
library to weigh the precompiled jsp sizes (65536b). But this is just a
recommendation.
I know I am asking for a refactor here. But this will help you a lot with
all the other option provided earlier. From 8.0.39 about 100 jsps in our
application broke because of The size. Just sharing our approach.
And BTW, don’t disable pooling, it won’t help that much.
Regards,
On Wed, 7 Feb 2018 at 22:08, Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Jan,
>
> On 2/7/18 3:13 PM, Mark Thomas wrote:
> > On 07/02/18 19:19, Jan Tosovsky wrote:
> >> Dear All,
> >>
> >> I've updated ancient tomcat to 8.0.49 and deployed app now throws
> >> '65535 bytes limit' exception for certain JSPs.
> >>
> >> Following this (older) thread
> >> https://stackoverflow.com/questions/5484253/jspservice-is-exceeding-t
> he-6553
> <https://stackoverflow.com/questions/5484253/jspservice-is-exceeding-the-6553>
> >>
> >>
> 5-bytes-limit I changed that mappedfile parameter, but it didn't help.
> >>
> >> So I downgraded tomcat to 8.0.30 and it works fine again.
> >>
> >> Should that mappedfile settings fix the issue so my observation
> >> seems to be a regression in recent versions? Nobody complains
> >> this solution doesn't work in that older thread.
> >
> > It will help but it isn't a guaranteed fix. There are other
> > options.
> >
> > You could try compilation with javac.
> >
> > You could also try these settings: trimSpaces - true enablePooling
> > - false
> >
> > Note the disabling pooling may impact performance. It depends on
> > lot on the complexity of the tags.
>
> Also using jsp:include to split pages into separate parts should help.
>
> - -chris
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