mod_perl doesn't meddle with the apache internals, it hooks into the apache internals

'meddle' has a negative connotation. it makes it sound like mp needs to do meddle with apache to get things done, when mod_perl was designed to let people script apache in perl,

in any event, chances are you're missing post data, because of some sort of variable declaration issue. since mp is persistant, vars you create in one server request will still hang around on the next response -- unless you properly scope and delcare them

first thing with mod_perl is to make sure you have no issues with use strict and use warnings