http://www.perlmonks.org?node_id=1004736


in reply to Perl and Selenium Grid 2 - Redirecting STDOUT not working how I need it to.

open ... or die "Failed to write ...: $!\n";

Including $! will give you a big hint about why 'open' is failing. Replacing "..." with the path you gave to 'open' (by storing it in a variable first) will likely also be useful.

- tye