System error

error:  DBI connect('database=users;host=dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com','da_perl',...) failed: Unknown MySQL server host 'dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com' (2) at /usr/local/share/perl5/DBIx/Connector.pm line 32.
context: 
... 
96:  local @CARP_NOT = $cgc ? $cgc->() : caller();
97:  shortmess_heavy(@_);
98:  }
99: 
100:  sub croak { die shortmess @_ }
101:  sub confess { die longmess @_ }
102:  sub carp { warn shortmess @_ }
103:  sub cluck { warn longmess @_ }
104: 
... 
code stack:  /usr/share/perl5/vendor_perl/Carp.pm:100
/usr/local/lib64/perl5/DBI.pm:692
/usr/local/lib64/perl5/DBI.pm:748
/usr/local/share/perl5/DBIx/Connector.pm:32
/usr/local/share/perl5/DBIx/Connector.pm:84
/usr/local/share/perl5/DBIx/Connector.pm:164
/usr/local/share/perl5/DBIx/Connector.pm:151
/home/ec2-user/DACore/Database.pm:116
/home/ec2-user/DACore/User.pm:237
/home/ec2-user/DABackend/Exchange.pm:9872
/home/ec2-user/DAFrontEnd/Modules/BackendConnector.pm:53
/home/ec2-user/DAFrontEnd/Modules/Getter.pm:293
/home/ec2-user/DAFrontEnd/Modules/Getter.pm:264
/home/ec2-user/DAFrontEnd/athlete.html:109
/home/ec2-user/DAFrontEnd/athletes/dhandler:2
/home/ec2-user/DAFrontEnd/autohandler:101
raw error






























DBI connect('database=users;host=dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com','da_perl',...) failed: Unknown MySQL server host 'dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com' (2) at /usr/local/share/perl5/DBIx/Connector.pm line 32.


Trace begun at /usr/local/share/perl5/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('DBI connect(\'database=users;host=dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com\',\'da_perl\',...) failed: Unknown MySQL server host \'dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com\' (2) at /usr/local/share/perl5/DBIx/Connector.pm line 32.^J') called at /usr/share/perl5/vendor_perl/Carp.pm line 100
Carp::croak('DBI connect(\'database=users;host=dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com\',\'da_perl\',...) failed: Unknown MySQL server host \'dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com\' (2)') called at /usr/local/lib64/perl5/DBI.pm line 692
DBI::__ANON__(undef, undef) called at /usr/local/lib64/perl5/DBI.pm line 748
DBI::connect('DBI', 'DBI:mysql:database=users;host=dev-cluster.cluster-ro-cvvbozmrjwdj.us-east-1.rds.amazonaws.com', 'da_perl', 'RiwguTrie6nz686vZx5', 'HASH(0x2348f68)') called at /usr/local/share/perl5/DBIx/Connector.pm line 32
DBIx::Connector::_connect('DBIx::Connector=HASH(0x2349148)') called at /usr/local/share/perl5/DBIx/Connector.pm line 84
DBIx::Connector::_dbh('DBIx::Connector=HASH(0x2349148)') called at /usr/local/share/perl5/DBIx/Connector.pm line 164
DBIx::Connector::_fixup_run('DBIx::Connector=HASH(0x2349148)', 'CODE(0xb629958)') called at /usr/local/share/perl5/DBIx/Connector.pm line 151
DBIx::Connector::run('DBIx::Connector=HASH(0x2349148)', 'fixup', 'CODE(0xb629958)') called at /home/ec2-user/DACore/Database.pm line 116
Database::select('Database=HASH(0x27493c8)', 'select * from user where user_hnd=?', 6561025) called at /home/ec2-user/DACore/User.pm line 237
User::get('User', 'HASH(0xb777500)', 6561025) called at /home/ec2-user/DABackend/Exchange.pm line 9872
Exchange::get_athlete('Exchange', 'BackendEnvelope=HASH(0xb76a978)') called at /home/ec2-user/DAFrontEnd/Modules/BackendConnector.pm line 53
BackendConnector::raw_connect_da('BackendConnector', 'Exchange', 'get_athlete', 'athlete_hnd', 6561025) called at /home/ec2-user/DAFrontEnd/Modules/Getter.pm line 293
Getter::get_attribute('Getter=HASH(0xb62a1f8)', 'get_athlete', 'athlete_hnd', 6561025) called at /home/ec2-user/DAFrontEnd/Modules/Getter.pm line 264
Getter::AUTOLOAD('Getter=HASH(0xb62a1f8)', 'athlete_hnd', 6561025) called at /home/ec2-user/DAFrontEnd/athlete.html line 109
HTML::Mason::Commands::__ANON__('autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)', 'error_message', '', 'athlete_hnd', 6561025, 'sport', 'track') called at /usr/local/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xb690dd8)', 'autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)', 'error_message', '', 'athlete_hnd', 6561025, 'sport', 'track') called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, 'autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)', 'error_message', '', 'athlete_hnd', 6561025, 'sport', 'track') called at /home/ec2-user/DAFrontEnd/athletes/dhandler line 2
HTML::Mason::Commands::__ANON__('error_message', '', 'autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)') called at /usr/local/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x1f34878)', 'error_message', '', 'autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)') called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef, 'error_message', '', 'autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)') called at /usr/local/share/perl5/HTML/Mason/Request.pm line 955
HTML::Mason::Request::call_next('HTML::Mason::Request::PSGI=HASH(0x1f12f50)', 'error_message', '', 'autohandler_cache', 'CHI::Driver::Memcached__WITH__CHI::Driver::Role::Universal=HASH(0xb75db70)') called at /home/ec2-user/DAFrontEnd/autohandler line 101
HTML::Mason::Commands::__ANON__ at /usr/local/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xafd6f58)') called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1297
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('HTML::Mason::Request::PSGI=HASH(0x1f12f50)') called at /usr/local/share/perl5/HTML/Mason/PSGIHandler.pm line 96
eval {...} at /usr/local/share/perl5/HTML/Mason/PSGIHandler.pm line 96
HTML::Mason::Request::PSGI::exec('HTML::Mason::Request::PSGI=HASH(0x1f12f50)') called at /usr/local/share/perl5/HTML/Mason/Interp.pm line 342
HTML::Mason::Interp::exec(undef, undef) called at /usr/local/share/perl5/HTML/Mason/PSGIHandler.pm line 59
eval {...} at /usr/local/share/perl5/HTML/Mason/PSGIHandler.pm line 59
HTML::Mason::PSGIHandler::invoke_mason('HTML::Mason::PSGIHandler=HASH(0x184e318)', 'HASH(0x18132e0)', 'HASH(0xb75bb30)') called at /usr/local/share/perl5/HTML/Mason/PSGIHandler.pm line 48
HTML::Mason::PSGIHandler::handle_psgi('HTML::Mason::PSGIHandler=HASH(0x184e318)', 'HASH(0x1f88248)') called at /da-front-app.psgi line 34
Plack::Sandbox::_2fda_2dfront_2dapp_2epsgi::__ANON__('HASH(0x1f88248)') called at /usr/local/share/perl5/Plack/Util.pm line 145
eval {...} at /usr/local/share/perl5/Plack/Util.pm line 145
Plack::Util::run_app('CODE(0x10d9528)', 'HASH(0x1f88248)') called at /usr/local/share/perl5/Starman/Server.pm line 195
Starman::Server::dispatch_request('Starman::Server=HASH(0x1836798)', 'HASH(0x1f88248)') called at /usr/local/share/perl5/Starman/Server.pm line 298
Starman::Server::process_request('Starman::Server=HASH(0x1836798)', 'Net::Server::Proto::TCP=GLOB(0x1f2df08)') called at /usr/local/share/perl5/Net/Server.pm line 72
Net::Server::run_client_connection('Starman::Server=HASH(0x1836798)') called at /usr/local/share/perl5/Net/Server/PreFork.pm line 225
eval {...} at /usr/local/share/perl5/Net/Server/PreFork.pm line 225
Net::Server::PreFork::run_child('Starman::Server=HASH(0x1836798)') called at /usr/local/share/perl5/Net/Server/PreFork.pm line 183
Net::Server::PreFork::run_n_children('Starman::Server=HASH(0x1836798)', 1) called at /usr/local/share/perl5/Net/Server/PreFork.pm line 373
Net::Server::PreFork::coordinate_children('Starman::Server=HASH(0x1836798)') called at /usr/local/share/perl5/Net/Server/PreFork.pm line 327
Net::Server::PreFork::run_parent('Starman::Server=HASH(0x1836798)') called at /usr/local/share/perl5/Starman/Server.pm line 164
Starman::Server::run_parent('Starman::Server=HASH(0x1836798)') called at /usr/local/share/perl5/Net/Server/PreFork.pm line 109
Net::Server::PreFork::loop('Starman::Server=HASH(0x1836798)') called at /usr/local/share/perl5/Net/Server.pm line 58
Net::Server::run('Starman::Server=HASH(0x1836798)', 'port', 'ARRAY(0x1e430b0)', 'host', '*', 'proto', 'tcp', 'serialize', 'none', 'min_servers', 4, 'min_spare_servers', 3, 'max_spare_servers', 3, 'max_servers', 4, 'max_requests', 1000, 'user', 0, 'group', '0 0 0', 'listen', 1024, 'check_for_waiting', 1, 'no_client_stdout', 1, 'log_file', '/home/ec2-user/starman_errors.log') called at /usr/local/share/perl5/Starman/Server.pm line 94
Starman::Server::run('Starman::Server=HASH(0x1836798)', 'CODE(0x10d9528)', 'HASH(0x1ee0428)') called at /usr/local/share/perl5/Plack/Handler/Starman.pm line 25
Plack::Handler::Starman::run('Plack::Handler::Starman=HASH(0x10d5710)', 'CODE(0x10d9528)') called at /usr/local/share/perl5/Plack/Loader.pm line 84
Plack::Loader::run('Plack::Loader=HASH(0xe7ddd8)', 'Plack::Handler::Starman=HASH(0x10d5710)') called at /usr/local/share/perl5/Plack/Runner.pm line 277
Plack::Runner::run('Plack::Runner=HASH(0xe60c20)') called at /usr/local/bin/starman line 38