[1] Exception::Class - search.cpan.org (7/17/2017, 3:05:53 AM) <http://search.cpan.org/dist/Exception-Class/lib/Exception/Class.pm>
[2] Exception::Class::DBI - search.cpan.org (7/17/2017, 4:00:42 AM) <http://search.cpan.org/dist/Exception-Class-DBI/lib/Exception/Class/DBI.pm>
Google search: Exception::Class