I grep'ed into the mod_perl sources and found in examples/lib/Apache/HelloWorld.pm that send_http_header does not exists in mod_perl 2.0 and print is not yet implemented. Is this right ? so this could "easily" explain my problems :)
in examples/lib/Apache/HelloWorld.pm : [...] sub handler { my $r = shift; $r->content_type('text/plain'); #send_http_header API function does not exist in 2.0 $r->puts(__PACKAGE__); #print not yet implemented return Apache::OK; } [...] --