(This is a continuation of XML::Generator problem in mod_perl, now I got rid of all the none relevant info)

I have a module Foo.pm:

package Foo;

package Foo::Bar;
use base 'Foo';

package Foo::Bar::Test;
use base 'Foo::Bar';

1;
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My problem is that the above module loads ok in command line perl, but it fails in mod_perl (failed on the last "use base 'Foo::Bar'", it can't find the class Foo::Bar)

Is there a way to find out what symbols/packages have been loaded before that failed call? I tried the following:

package Foo;

package Foo::Bar;
use base 'Foo';

print "$_ => $Foo::{$_}\n" foreach keys %Foo::;
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which in commandline produces:

Bar:: => *Foo::Bar::
VERSION => *Foo::VERSION 
Bar:: => *Foo::Bar::
isa => *Foo::isa
VERSION => *Foo::VERSION
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but in mod_perl, it produces:

Bar:: => *Foo::Bar:: <br>
VERSION => *Foo::VERSION <br>
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I guess my question is whether this is the right way to see whether the "Foo::Bar" package is loaded, and why mod_perl behaves differently? (perl 5.8.0, mod_perl 1.29, apache1.3.3)

In my real situation, the package is XML::Generator. To complicate the things further, I have another "identical" installation of perl/mod_perl/apache, where this works ok. I guess I'm trying to find out how to figure out what the difference is.

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