处理请求时出错: Mage注册表项“_singleton/callforprice/观察者”已存在

Question

There has been an error processing your request
Mage registry key "_singleton/callforprice/observer" already exists

管理员没有打开前端没有打开我的网站发生了什么？

Trace:
#0 /home/chhabraa/public_html/beta/app/Mage.php(224): Mage::throwException('Mage registry k...')
#1 /home/chhabraa/public_html/beta/app/Mage.php(478): Mage::register('_singleton/call...', false)
#2 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Model_App.php(1316): Mage::getSingleton('callforprice/ob...')
#3 /home/chhabraa/public_html/beta/app/Mage.php(449): Mage_Core_Model_App->dispatchEvent('core_block_abst...', Array)
#4 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Block_Abstract.php(292): Mage::dispatchEvent('core_block_abst...', Array)
#5 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Model_Layout.php(456): Mage_Core_Block_Abstract->setLayout(Object(Mage_Core_Model_Layout))
#6 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Model_Layout.php(472): Mage_Core_Model_Layout->createBlock('page/html', 'root')
#7 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Model_Layout.php(239): Mage_Core_Model_Layout->addBlock('page/html', 'root')
#8 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Model_Layout.php(205): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#9 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Controller_Varien_Action.php(344): Mage_Core_Model_Layout->generateBlocks()
#10 /home/chhabraa/public_html/beta/includes/src/Mage_Cms_Helper_Page.php(113): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#11 /home/chhabraa/public_html/beta/includes/src/Mage_Cms_Helper_Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'home')
#12 /home/chhabraa/public_html/beta/app/code/core/Mage/Cms/controllers/IndexController.php(45): Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'home')
#13 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Controller_Varien_Action.php(418): Mage_Cms_IndexController->indexAction()
#14 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Controller_Varien_Router_Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('index')
#15 /home/chhabraa/public_html/beta/includes/src/BalkeTechnologies_StoreMaintenance_Controller_Router_Standard.php(91): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#16 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Controller_Varien_Front.php(172): BalkeTechnologies_StoreMaintenance_Controller_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#17 /home/chhabraa/public_html/beta/includes/src/Mage_Core_Model_App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#18 /home/chhabraa/public_html/beta/app/Mage.php(685): Mage_Core_Model_App->run(Array)
#19 /home/chhabraa/public_html/beta/index.php(96): Mage::run('', 'store')
#20 {main}

错误日志记录号: 591000213289

Answer 1

此错误出现在方法寄存器中的app/Mage.php类中。您在代码中的某个地方多次使用此方法注册同一个键。如果检查方法：public static function register($key, $value, $graceful = false)，则必须将第三个参数$graceful设置为true，这样它就不会抛出如下所示的异常：Mage::register($key, $value, true);