From ad5f3fa48e0402702d0b1339f8737028dc8aa27c Mon Sep 17 00:00:00 2001
From: OlgaVasyltsun <olga.vasyltsun@transoftgroup.com>
Date: Wed, 16 Dec 2020 11:36:31 +0200
Subject: [PATCH 1/3] MC-39765: No such entity with addressId, occurs randomly
 on visitors browser. System Log Generated

---
 .../Observer/EmulateCustomerObserver.php      | 27 +++++++++++++++----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php b/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
index 8429eabd19e8a..0b978b9822345 100644
--- a/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
+++ b/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
@@ -6,6 +6,7 @@
 namespace Magento\Persistent\Observer;
 
 use Magento\Framework\Event\ObserverInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
 
 /**
  * Class EmulateCustomer
@@ -86,9 +87,9 @@ public function execute(\Magento\Framework\Event\Observer $observer)
             /** @var  \Magento\Customer\Api\Data\CustomerInterface $customer */
             $customer = $this->customerRepository->getById($this->_persistentSession->getSession()->getCustomerId());
             if ($defaultShipping = $customer->getDefaultShipping()) {
-                /** @var  \Magento\Customer\Model\Data\Address $address */
-                $address = $this->addressRepository->getById($defaultShipping);
-                if ($address) {
+                $address = $this->getCustomerAddressById($defaultShipping);
+
+                if ($address !== null) {
                     $this->_customerSession->setDefaultTaxShippingAddress(
                         [
                             'country_id' => $address->getCountryId(),
@@ -102,8 +103,9 @@ public function execute(\Magento\Framework\Event\Observer $observer)
             }
 
             if ($defaultBilling = $customer->getDefaultBilling()) {
-                $address = $this->addressRepository->getById($defaultBilling);
-                if ($address) {
+                $address = $this->getCustomerAddressById($defaultShipping);
+
+                if ($address !== null) {
                     $this->_customerSession->setDefaultTaxBillingAddress([
                         'country_id' => $address->getCountryId(),
                         'region_id' => $address->getRegion() ? $address->getRegionId() : null,
@@ -118,4 +120,19 @@ public function execute(\Magento\Framework\Event\Observer $observer)
         }
         return $this;
     }
+
+    /**
+     * Returns customer address by id
+     *
+     * @param int $addressId
+     * @return \Magento\Customer\Api\Data\AddressInterface|null
+     */
+    private function getCustomerAddressById($addressId)
+    {
+        try {
+            return $this->addressRepository->getById($addressId);
+        } catch (NoSuchEntityException $exception) {
+            return null;
+        }
+    }
 }

From 3bb857f8d60e45a40931bb99085c7d8f841ce922 Mon Sep 17 00:00:00 2001
From: OlgaVasyltsun <olga.vasyltsun@transoftgroup.com>
Date: Wed, 16 Dec 2020 14:44:52 +0200
Subject: [PATCH 2/3] MC-39765: No such entity with addressId, occurs randomly
 on visitors browser. System Log Generated

---
 .../Magento/Persistent/Observer/EmulateCustomerObserver.php     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php b/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
index 0b978b9822345..c991836a287d2 100644
--- a/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
+++ b/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
@@ -103,7 +103,7 @@ public function execute(\Magento\Framework\Event\Observer $observer)
             }
 
             if ($defaultBilling = $customer->getDefaultBilling()) {
-                $address = $this->getCustomerAddressById($defaultShipping);
+                $address = $this->getCustomerAddressById($defaultBilling);
 
                 if ($address !== null) {
                     $this->_customerSession->setDefaultTaxBillingAddress([

From 92ecbbfeabd9edd0b137915f61bbacfa123a7e8e Mon Sep 17 00:00:00 2001
From: OlgaVasyltsun <olga.vasyltsun@transoftgroup.com>
Date: Wed, 16 Dec 2020 17:21:05 +0200
Subject: [PATCH 3/3] MC-39765: No such entity with addressId, occurs randomly
 on visitors browser. System Log Generated

---
 .../Magento/Persistent/Observer/EmulateCustomerObserver.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php b/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
index c991836a287d2..1ff81137de57b 100644
--- a/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
+++ b/app/code/Magento/Persistent/Observer/EmulateCustomerObserver.php
@@ -87,7 +87,7 @@ public function execute(\Magento\Framework\Event\Observer $observer)
             /** @var  \Magento\Customer\Api\Data\CustomerInterface $customer */
             $customer = $this->customerRepository->getById($this->_persistentSession->getSession()->getCustomerId());
             if ($defaultShipping = $customer->getDefaultShipping()) {
-                $address = $this->getCustomerAddressById($defaultShipping);
+                $address = $this->getCustomerAddressById((int) $defaultShipping);
 
                 if ($address !== null) {
                     $this->_customerSession->setDefaultTaxShippingAddress(
@@ -103,7 +103,7 @@ public function execute(\Magento\Framework\Event\Observer $observer)
             }
 
             if ($defaultBilling = $customer->getDefaultBilling()) {
-                $address = $this->getCustomerAddressById($defaultBilling);
+                $address = $this->getCustomerAddressById((int) $defaultBilling);
 
                 if ($address !== null) {
                     $this->_customerSession->setDefaultTaxBillingAddress([
@@ -127,7 +127,7 @@ public function execute(\Magento\Framework\Event\Observer $observer)
      * @param int $addressId
      * @return \Magento\Customer\Api\Data\AddressInterface|null
      */
-    private function getCustomerAddressById($addressId)
+    private function getCustomerAddressById(int $addressId)
     {
         try {
             return $this->addressRepository->getById($addressId);