SetHandler perl-script
PerlResponseHandler ModPerl::Registry
PerlOptions +ParseHeaders
Options +ExecCGI

##</code><code>##

Apache/2.2.3
mod_perl/2.0.5
CentOS release 5.5 (Final)
##</code><code>##

  ProxyErrorOverride On

##</code><code>##

 my $old_status = $my_rc->{REQ}->status;
 my $rc = $my_rc->run;
 if ($rc == 500){ # 500 error occured