My guess is that your "global" variables in package Navi are not always initialized, maybe due to some mod_perl weirdness resp. how it wraps your code in a subroutine. You should see some warning like Variable will not stay shared in the webserver logs maybe.

My first approach would be to move the creation of the CGI object into a subroutine and always call that subroutine instead of hoping that the global variable is still available.

In reply to Re: upstream prematurely closed connection while reading response header from upstream by Corion
in thread upstream prematurely closed connection while reading response header from upstream by Digioso

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