[Catalyst] Inconsistent hierarchy during C3 merge of class
bobtfish at bobtfish.net
Thu Feb 25 14:11:54 GMT 2010
Al Alder wrote:
> Using Catalyst 5.80020
> When running CATALYST_DEBUG=0 prove -l t/01app.t
> per 'The Definitive Guide To Catalyst' page 76 I get:
> LolCatalyst-Lite > CATALYST_DEBUG=0 prove -l
> t/01app.t ..
> # Failed test 'use
> # at t/01app.t line
> # Tried to use
> # Error: Couldn't load class (LolCatalyst::Lite) because:
> Inconsistent hierarchy during C3 merge of class
> 'Class::MOP::Class::__ANON__::SERIAL::9': merging failed on parent
> 'Catalyst::Plugin::Authentication' at /usr/share/perl/5.10/mro.pm
> <http://mro.pm> line 26.
> # Compilation failed in require at
> /usr/local/lib/perl/5.10.0/Class/MOP.pm line
> # at /usr/local/lib/perl/5.10.0/Class/MOP.pm line 105
> Google search turns up the fact that older versions of Catalyst had this
> problem, but this has been fixed in
> the latest versions. I have checked and all modules versions appear to
> be the latest.
This is due to an old versions of one of the plugins you have in your
At a guess, one of the FastMMap ones.
If you run the Catalyst::Runtime Makefile.PL manually, it will tell you
which module(s) are out of date.
If this still doesn't solve the issue, can you show us your use Catalyst
qw// line (the one with all the plugins), and give the version of each
plugin you have installed?
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