PATTERN=couldn't connect to display
PATTERN=failed to open display
PATTERN=Not able to open display
PATTERN=X11: The DISPLAY environment variable is missing
PATTERN=Error: Unable to initialize gtk, is DISPLAY set properly
PATTERN=Gtk-WARNING .*: cannot open display
PATTERN=Unable to connect to X11 server
__END__
Unable to connect to X11 server at /usr/lib/perl5/WWW/WebKit.pm line 159.