System error

error:  DBI connect('database=collectia_dev_fard_no;host=sql','template',...) failed: Can't connect to MySQL server on 'sql:3306' (113) at /var/www/collectia.dev.fard.no/docs/cmp/dbh/dbh.cmp line 18.
context: 
... 
287:  local @CARP_NOT = scalar( $cgc ? $cgc->() : caller() );
288:  shortmess_heavy(@_);
289:  }
290: 
291:  sub croak { die shortmess @_ }
292:  sub confess { die longmess @_ }
293:  sub carp { warn shortmess @_ }
294:  sub cluck { warn longmess @_ }
295: 
... 
code stack:  /usr/share/perl/5.34/Carp.pm:291
/usr/lib/x86_64-linux-gnu/perl5/5.34/DBI.pm:692
/usr/lib/x86_64-linux-gnu/perl5/5.34/DBI.pm:748
/var/www/collectia.dev.fard.no/docs/cmp/dbh/dbh.cmp:18
/var/www/collectia.dev.fard.no/docs/cmp/login/login.cmp:31
/var/www/collectia.dev.fard.no/docs/cmp/login/login-gui.cmp:17
/var/www/collectia.dev.fard.no/docs/index.html:61
raw error






























DBI connect('database=collectia_dev_fard_no;host=sql','template',...) failed: Can't connect to MySQL server on 'sql:3306' (113) at /var/www/collectia.dev.fard.no/docs/cmp/dbh/dbh.cmp line 18.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('DBI connect(\'database=collectia_dev_fard_no;host=sql\',\'template\',...) failed: Can\'t connect to MySQL server on \'sql:3306\' (113) at /var/www/collectia.dev.fard.no/docs/cmp/dbh/dbh.cmp line 18.^J') called at /usr/share/perl/5.34/Carp.pm line 291
Carp::croak('DBI connect(\'database=collectia_dev_fard_no;host=sql\',\'template\',...) failed: Can\'t connect to MySQL server on \'sql:3306\' (113)') called at /usr/lib/x86_64-linux-gnu/perl5/5.34/DBI.pm line 692
DBI::__ANON__(undef, undef) called at /usr/lib/x86_64-linux-gnu/perl5/5.34/DBI.pm line 748
DBI::connect('DBI', 'DBI:mysql:database=collectia_dev_fard_no;host=sql', 'template', 'yksikaksi', 'HASH(0x7f5f8011c548)') called at /var/www/collectia.dev.fard.no/docs/cmp/dbh/dbh.cmp line 18
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f5f8011cfa8)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1300
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef) called at /var/www/collectia.dev.fard.no/docs/cmp/login/login.cmp line 31
HTML::Mason::Commands::__ANON__('username', undef, 'password', undef, 'logout', undef, 'forgot', undef) called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f5f8005bed8)', 'username', undef, 'password', undef, 'logout', undef, 'forgot', undef) called at /usr/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, 'username', undef, 'password', undef, 'logout', undef, 'forgot', undef) called at /var/www/collectia.dev.fard.no/docs/cmp/login/login-gui.cmp line 17
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x560efef00990)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef) called at /var/www/collectia.dev.fard.no/docs/index.html line 61
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f5f8011b768)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1300
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('MasonX::Request::WithApacheSession=HASH(0x7f5f78064bf0)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('MasonX::Request::WithApacheSession=HASH(0x7f5f78064bf0)') called at /usr/share/perl5/MasonX/Request/WithApacheSession.pm line 130
MasonX::Request::WithApacheSession::exec('MasonX::Request::WithApacheSession=HASH(0x7f5f78064bf0)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x7f5f781fe0a8)', 'Apache2::RequestRec=SCALAR(0x7f5f781d2708)') called at (eval 32) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x7f5f781d2708)') called at -e line 0
eval {...} at -e line 0