The correct caveat for this case is actually a little further down under the "Problems with Scripts Running with Registry Handlers that Cache the Code" heading. In particular, "cached code won't run 'use My::Utils;' again". Similarly, "use base ..." doesn't get run again therefore base::import doesn't initialize @...::ISA again.

A solution (as mentioned) is to not do such things at compile-time. Instead use, for example:

require base;
base->import( qw< ... > );
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Of course, not having such stuff initialized at compile-time might break code structured in unfortunate ways, so test it.

Thanks tye, I actually have tried this and sadly still get the same error.

Oddly I added :

require base;
base->import(qw(Admin::Base));
use Data::Dumper;

our @ISA;

warn Dumper \@ISA;

And afer touching Test.pm I see Test.pm ISA Admin::Base:

Wed Feb 17 02:46:35 2010 Test.pm: Subroutine pre_dispatch redefined at Test.pm line 15.
Wed Feb 17 02:46:35 2010 Test.pm: Subroutine save_form redefined at Test.pm line 27.
Wed Feb 17 02:46:35 2010 Test.pm: Subroutine form redefined at Test.pm line 93.
Wed Feb 17 02:46:35 2010 Test.pm: $VAR1 = [
Wed Feb 17 02:46:35 2010 Test.pm:           'Admin::Base'
Wed Feb 17 02:46:35 2010 Test.pm:         ];

um, the problem is most likely with your code. base has some problems that parent cures, but if that doesn't help your situation, then the problem is with your code.

updated thread with bare-bones-version of my code. do you see a problem with it?