Can't connect to data source , no database driver specified and DBI_DSN env var not set at /usr/lib/perl5/site_perl/5.8.3/Apache/Session/Lock/MySQL.pm line 36

        (in cleanup) Can't connect to data source , no database driver specified and DBI_DSN env var not set at /usr/lib/perl5/site_perl/5.8.3/Apache/Session/Lock/MySQL.pm line 36
##</code><code>##

&openDBH; # subroutine that 
# places open handle globally accessible at $DBH

my %session;

tie %session, 'Apache::Session::MySQL', undef,
	{ 	Handle => $DBH,
		TableName => 'sessions2'		
	};