magento admin not open?

[shaeermurtaza]

I have problem when I want to open admin of magento website. It display this message and admin page not display.

There has been an error processing your request

Illegal scheme supplied, only alphanumeric characters are permitted

Trace:
#0 /home1/rajlosan/public_html/app/code/core/Mage/Core/Model/Store.php(777): Zend_Uri::factory('admin/')
#1 /home1/rajlosan/public_html/app/code/core/Mage/Core/Model/Store.php(611): Mage_Core_Model_Store->isCurrentlySecure()
#2 /home1/rajlosan/public_html/app/Mage.php(382): Mage_Core_Model_Store->getBaseUrl('skin', NULL)
#3 /home1/rajlosan/public_html/app/code/core/Mage/Core/Model/Design/Package.php(349): Mage::getBaseUrl('skin', NULL)
#4 /home1/rajlosan/public_html/app/code/core/Mage/Core/Model/Design/Package.php(503): Mage_Core_Model_Design_Package->getSkinBaseUrl(Array)
#5 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Abstract.php(1035): Mage_Core_Model_Design_Package->getSkinUrl('reset.css', Array)
#6 /home1/rajlosan/public_html/app/design/adminhtml/default/default/template/login.phtml(32): Mage_Core_Block_Abstract->getSkinUrl('reset.css')
#7 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home1/rajlosan...')
#8 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#9 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#10 /home1/rajlosan/public_html/app/code/core/Mage/Adminhtml/Block/Template.php(81): Mage_Core_Block_Template->_toHtml()
#11 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Adminhtml_Block_Template->_toHtml()
#12 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#13 /home1/rajlosan/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#14 /home1/rajlosan/public_html/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#15 /home1/rajlosan/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#16 /home1/rajlosan/public_html/app/code/core/Mage/Adminhtml/controllers/IndexController.php(82): Mage_Core_Controller_Varien_Action->renderLayout()
#17 /home1/rajlosan/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Adminhtml_IndexController->loginAction()
#18 /home1/rajlosan/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('login')
#19 /home1/rajlosan/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#20 /home1/rajlosan/public_html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#21 /home1/rajlosan/public_html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#22 /home1/rajlosan/public_html/index.php(87): Mage::run('', 'store')
#23 {main}

Error log record number: 944127562686

Please tell me what is problem how to slove it.

thanks

[Bharath C]

Check 'web/unsecure/base_url' and 'web/secure/base_url' entries in the table 'core_config_data' and make sure URL should not contain any white space & correct URL should be there . check there may be missing http://

[Chandra Kadam]

Also Please check the database connection string located in 'app/etc/local.xml' it sould not should not contain any illegal characters for database details like username & password.