object(Zend_Db_Adapter_Mysqli_Exception)#5 (9) {
  ["_chainedException":protected]=>
  NULL
  ["_previous":"Zend_Exception":private]=>
  NULL
  ["message":protected]=>
  string(18) "Connection refused"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(0)
  ["file":protected]=>
  string(60) "/var/www/html/application/library/Zend/Db/Adapter/Mysqli.php"
  ["line":protected]=>
  int(340)
  ["trace":"Exception":private]=>
  array(5) {
    [0]=>
    array(6) {
      ["file"]=>
      string(62) "/var/www/html/application/library/Zend/Db/Adapter/Abstract.php"
      ["line"]=>
      int(460)
      ["function"]=>
      string(8) "_connect"
      ["class"]=>
      string(22) "Zend_Db_Adapter_Mysqli"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(0) {
      }
    }
    [1]=>
    array(6) {
      ["file"]=>
      string(39) "/var/www/html/application/bootstrap.php"
      ["line"]=>
      int(78)
      ["function"]=>
      string(5) "query"
      ["class"]=>
      string(24) "Zend_Db_Adapter_Abstract"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(1) {
        [0]=>
        string(14) "SET NAMES utf8"
      }
    }
    [2]=>
    array(6) {
      ["file"]=>
      string(39) "/var/www/html/application/bootstrap.php"
      ["line"]=>
      int(21)
      ["function"]=>
      string(13) "setupDatabase"
      ["class"]=>
      string(9) "Bootstrap"
      ["type"]=>
      string(2) "::"
      ["args"]=>
      array(0) {
      }
    }
    [3]=>
    array(6) {
      ["file"]=>
      string(39) "/var/www/html/application/bootstrap.php"
      ["line"]=>
      int(40)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(9) "Bootstrap"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(0) {
      }
    }
    [4]=>
    array(6) {
      ["file"]=>
      string(23) "/var/www/html/index.php"
      ["line"]=>
      int(12)
      ["function"]=>
      string(11) "getInstance"
      ["class"]=>
      string(9) "Bootstrap"
      ["type"]=>
      string(2) "::"
      ["args"]=>
      array(0) {
      }
    }
  }
  ["previous":"Exception":private]=>
  NULL
}
<br />
<b>Fatal error</b>:  Uncaught exception 'Zend_Exception' with message 'No entry is registered for key 'db'' in /var/www/html/application/library/Zend/Registry.php:147
Stack trace:
#0 /var/www/html/application/std_models/DatabaseProfiler.php(8): Zend_Registry::get('db')
#1 /var/www/html/index.php(19): DatabaseProfiler::output()
#2 {main}
  thrown in <b>/var/www/html/application/library/Zend/Registry.php</b> on line <b>147</b><br />