checkout_cart_update_items_after is not working

Question

I'm stuck in this. The checkout_cart_update_items_after is not firing. I already put a log statement in the function but is not getting executed. Whereas checkout_cart_product_add_after is working fine.

<checkout_cart_product_add_after>
            <observers>
                <ysindia_customer_model_observer>
                    <type>singleton</type>
                    <class>Ysindia_Customer_Model_Observer</class>
                    <method>itemAdded</method>
                </ysindia_customer_model_observer>
            </observers>
        </checkout_cart_product_add_after>
        <checkout_cart_update_items_after>
            <observers>
                <ysindia_customer_model_observer>
                    <type>singleton</type>
                    <class>Ysindia_Customer_Model_Observer</class>
                    <method>checkCart</method>
                </ysindia_customer_model_observer>
            </observers>
</checkout_cart_update_items_after>

Observer.php

class Ysindia_Customer_Model_Observer
{

public function checkCart(Varien_Event_Observer $observer){
     Mage::log("Items after", null, 'observer.log');
}

public function itemAdded(Varien_Event_Observer $observer)
{
    Mage::log("Add after", null, 'observer.log');
}

}

Please help me, thanks

Answer 1

Try replacing the type of your observer by Model instead of singleton:

<checkout_cart_product_add_after>
            <observers>
                <ysindia_customer_model_observer>
                    <type>model</type>
                    <class>Ysindia_Customer_Model_Observer</class>
                    <method>itemAdded</method>
                </ysindia_customer_model_observer>
            </observers>
        </checkout_cart_product_add_after>
        <checkout_cart_update_items_after>
            <observers>
                <ysindia_customer_model_observer>
                    <type>model</type>
                    <class>Ysindia_Customer_Model_Observer</class>
                    <method>checkCart</method>
                </ysindia_customer_model_observer>
            </observers>
</checkout_cart_update_items_after>

Answer 2

Try with checkout_cart_product_update_after event if that help you.