[Catalyst] Intermittent blank pages
willert at gmail.com
Thu Aug 28 14:36:57 BST 2008
Tobias Kremer wrote:
> Two days ago I suddenly started receiving intermittent blank pages. Immediately
> reloading the page led to the expected response. Looking at the error logs of
> the past two days I can see loads of the following error:
> Use of uninitialized value in concatenation (.) or string at
> /usr/local/lib/perl5/site_perl/5.8.8/Catalyst/Engine/FastCGI.pm line 169.
> It appears that there just isn't any body data to process.
> This error was absolutely non-existent until a few days ago. AFAICT the only
> things that have changed since then is the session table now being InnoDB
> instead of MyISAM and Rose::HTML::Form has been updated to the latest version
> Due to there being no additional error messages or warnings I don't know how to
> debug this. Does anybody here have an idea what could be going wrong? I'm using
> Catalyst 5.7010.
Are you using Perlbal in front of FastCGI? Perlbal is prone to deliver
blank pages if the back-end times out. Unfortunately I haven't found
a way to avoid this behavior, but maybe someone on the list can help
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