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__PACKAGE__->set_db( 'main', "dbi:Oracle:$ENV{'ORACLE_SID'}", ...
DBI connect('','apacheschcon',...) failed: ORA-12545: Connect failed b +ecause target host or object does not exist (DBD ERROR: OCIServerAtta +ch) at /usr/lib/perl5/site_perl/5.8.8/Ima/DBI.pm line 328