We have faced a JSON Syntax Error on our Magento CE v1.9.3.6 site when uploading product image in admin. When we upload the image the page gets error page and in error log it shows following error message
Zend_Json_Exception: Decoding failed: Syntax error in /var/www/vhosts/savannah.fr/httpdocs/lib/Zend/Json.php:97
Stack trace:
#0 /httpdocs/app/code/local/Idev/OneStepCheckout/Model/Observers/PresetDefaults.php(570): Zend_Json::decode('<!DOCTYPE html>...')
#1 /httpdocs/app/code/local/Idev/OneStepCheckout/Model/Observers/PresetDefaults.php(317): Idev_OneStepCheckout_Model_Observers_PresetDefaults->_getGeoIp2Online('80.214.117.104', Object(Idev_OneStepCheckout_Model_Sales_Quote))
#2/httpdocs/app/code/local/Idev/OneStepCheckout/Model/Observers/PresetDefaults.php(261): Idev_OneStepCheckout_Model_Observers_PresetDefaults->getAddressGeoIP(Object(Idev_OneStepCheckout_Model_Sales_Quote))
#3 /httpdocs/app/code/local/Idev/OneStepCheckout/Model/Observers/PresetDefaults.php(200): Idev_OneStepCheckout_Model_Observers_PresetDefaults->getAddressDefaults(Object(Idev_OneStepCheckout_Model_Sales_Quote))
#4 /httpdocs/app/code/local/Idev/OneStepCheckout/Model/Observers/PresetDefaults.php(73): Idev_OneStepCheckout_Model_Observers_PresetDefaults->setAddressDefaults(Object(Varien_Event_Observer))
#5
/httpdocs/app/code/local/Idev/OneStepCheckout/Model/Observers/PresetDefaults.php(59): Idev_OneStepCheckout_Model_Observers_PresetDefaults->callDefaults(Object(Varien_Event_Observer))
#6
/httpdocs/app/code/core/Mage/Core/Model/App.php(1358): Idev_OneStepCheckout_Model_Observers_PresetDefaults->setDefaults(Object(Varien_Event_Observer))
#7
/httpdocs/app/code/core/Mage/Core/Model/App.php(1331): Mage_Core_Model_App->_callObserverMethod(Object(Idev_OneStepCheckout_Model_Observers_PresetDefaults), 'setDefaults', Object(Varien_Event_Observer))
#8 /httpdocs/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('sales_quote_col...', Array)
#9 /httpdocs/app/code/core/Mage/Sales/Model/Quote.php(1313): Mage::dispatchEvent('sales_quote_col...', Array)
#10 /httpdocs/app/code/local/Idev/OneStepCheckout/Model/Sales/Quote.php(44): Mage_Sales_Model_Quote->collectTotals()
#11 /httpdocs/app/code/local/Mirasvit/Rewards/Model/Purchase.php(161): Idev_OneStepCheckout_Model_Sales_Quote->collectTotals()
#12 /httpdocs/app/code/local/Mirasvit/Rewards/Model/Purchase.php(141): Mirasvit_Rewards_Model_Purchase->refreshQuote(true)
#13 /httpdocs/app/code/local/Mirasvit/Rewards/Model/Observer/Order.php(45): Mirasvit_Rewards_Model_Purchase->refreshPointsNumber()
#14 /httpdocs/app/code/local/Mirasvit/Rewards/Model/Observer/Order.php(171): Mirasvit_Rewards_Model_Observer_Order->refreshPoints(Object(Idev_OneStepCheckout_Model_Sales_Quote))
#15 /httpdocs/app/code/core/Mage/Core/Model/App.php(1358): Mirasvit_Rewards_Model_Observer_Order->actionPredispatch(Object(Varien_Event_Observer))
#16 /httpdocs/app/code/core/Mage/Core/Model/App.php(1337): Mage_Core_Model_App->_callObserverMethod(Object(Mirasvit_Rewards_Model_Observer_Order), 'actionPredispat...', Object(Varien_Event_Observer))
#17 /httpdocs/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array)
#18 /httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(527): Mage::dispatchEvent('controller_acti...', Array)
#19 /httpdocs/app/code/core/Mage/Core/Controller/Front/Action.php(69): Mage_Core_Controller_Varien_Action->preDispatch()
#20 /httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(407): Mage_Core_Controller_Front_Action->preDispatch()
#21 /httpdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('check_email')
#22 /httpdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#23 /httpdocs/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#24 //httpdocs/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#25 /httpdocs/index.php(83): Mage::run('', 'store')
#26 {main}
We are running:
Magento CE v1.9.3.6
PHP v7.1.33
