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This queue is for tickets about the Carp CPAN distribution.

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Id: 79649
Status: resolved
Priority: 0/
Queue: Carp

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Owner: Nobody in particular
Requestors: mst [...] shadowcat.co.uk
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Subject: Carp::Heavy unsplit can cause really odd errors
Date: Fri, 14 Sep 2012 17:02:43 +0100
To: bugs-Carp [...] rt.cpan.org
From: Matt S Trout <mst [...] shadowcat.co.uk>
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If a user has an updated Carp in a local::lib or similar, and manages to load an old Carp.pm -before- those are applied, they get the vestigial Carp::Heavy and as such some subs aren't defined (short_error_loc being the one my client just got nailed by). i.e. use FindBin qw($Bin); use lib "/home/me/perl5/lib/perl", "$Bin/../lib"; is a failure waiting to happen, because FindBin loads Carp.pm but not Carp/Heavy.pm My suggestion would be, in Carp/Heavy.pm, to do a $VERSION check after loading Carp and if it's not the one this Heavy.pm was shipped with to complain loudly, something like die "Carp::Heavy from Carp 1.26 loaded but Carp.pm $Carp::VERSION was loaded," ." did you modify \@INC after loading Carp somehow?" unless $Carp::VERSION == 1.26; although I'm entirely open to alternatives. -- Matt S Trout - Shadowcat Systems - Perl consulting with a commit bit and a clue http://shadowcat.co.uk/blog/matt-s-trout/ http://twitter.com/shadowcat_mst/ Email me now on mst (at) shadowcat.co.uk and let's chat about how our Catalyst commercial support, training and consultancy packages could help your team.
Fixed in Carp-1.32, now on CPAN.


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