D:\perlscripts>perl test.pl
test
D:\perlscripts>perl -d test.pl
Unable to connect to remote host: 127.0.0.1:2000
Compilation failed in require.
        main::BEGIN() called at D:/Perl/lib/perl5db.pl line 0
        eval {...} called at D:/Perl/lib/perl5db.pl line 0
BEGIN failed--compilation aborted.