i created a file called 'data-alias' in /etc/apache2/conf.d with these
contents
root@mine:/etc/apache2/conf.d# cat data-alias
PerlModule Data::Visitor
PerlModule Data::Alias
<Perl>
use Data::Alias;
alias {
# aliasing instead of copying whenever possible
};
alias $x = $y; # alias $x to $y
alias @x = @y; # alias @x to @y
alias $x[0] = $y; # similar for array and hash elements
alias push @x, $y; # push alias to $y onto @x
$x = alias [ $y, $z ]; # construct array of aliases
# alias my ($x, $y) = @_; # named aliases to arguments
# alias { ($x, $y) = ($y, $x) }; # swap $x and $y
# alias { my @t = @x; @x = @y; @y = @t }; # swap @x and @y
</Perl>
<Perl>
use Data::Alias qw/ alias copy /;
alias { copy $x = $y }; # force copying inside alias-BLOCK
</Perl>
<Perl>
use Data::Alias qw/ deref /;
my @refs = (\$x, \@y, \%z);
</Perl>
root@mine:/etc/apache2/conf.d#
if i try to start up apache i get this...
root@mine:/etc/apache2/conf.d# service apache2 restart
Syntax error on line 5 of /etc/apache2/conf.d/data-alias:
Deep recursion on subroutine "Apache2::PerlSections::dump_entry" at
/usr/lib/perl5/Apache2/PerlSections.pm line 186.\n
Action 'configtest' failed.
The Apache error log may have more information.
failed!
root@mine:/etc/apache2/conf.d#
though i think its not the issue, as i think im just causing circular
aliases
On 19/05/13 12:23, Ernesto Hernández-Novich wrote:
> On Thu, 2013-05-16 at 08:52 +0000, Dean Hamstead wrote:
>> Package: webgui
>> Version: 7.10.28-1
>> Followup-For: Bug #681564
>>
>> New debian install, same problem still...
>>
>> I have this wrapped up in an LXC which i am happy to grant you access to for
>> any probing people may want to try...
>
> Thank you for your report.
>
> Turns out the problem is Data::Alias (*not* used by WebGUI at all) when
> pulled in by Data::Visitor (used indirectly by WebGUI via Net::Twitter).
>
> I haven't had the time to create a mod_perl runnable snippet using
> Data::Visitor that would crash Apache. If you can come up with one, then
> we could reassing this bug to the proper library.
>
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