diff --git a/core/core.services.yml b/core/core.services.yml
index 640440b..3095e5b 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -177,11 +177,7 @@ services:
     arguments: ['@container.namespaces', '@controller_resolver', '@request', '@router.route_provider', '@module_handler']
   request:
     class: Symfony\Component\HttpFoundation\Request
-    # @TODO the synthetic setting must be uncommented whenever drupal_session_initialize()
-    # is run after there is a request and the following two lines should be removed.
-    factory_class: Symfony\Component\HttpFoundation\Request
-    factory_method: createFromGlobals
-    #synthetic: true
+    synthetic: true
   event_dispatcher:
     class: Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher
     arguments: ['@service_container']
diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index f7ab2d7..3492c03 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -1574,7 +1574,7 @@ function watchdog($type, $message, array $variables = NULL, $severity = WATCHDOG
       $log_entry['referer'] = $request->headers->get('Referer', '');
       $log_entry['ip'] = $request->getClientIP();
     }
-    catch (\InvalidArgumentException $e) {
+    catch (DependencyInjectionRuntimeException $e) {
       // We are not in a request context.
     }
 
diff --git a/core/includes/install.inc b/core/includes/install.inc
index e0e86cc..dc99134 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -617,10 +617,19 @@ function drupal_install_system() {
   // Create tables.
   drupal_install_schema('system');
 
-  if (!drupal_container()->has('kernel')) {
-    // Immediately boot a kernel to have real services ready.
+  if (!Drupal::getContainer()->has('kernel')) {
+    // Immediately boot a kernel to have real services ready. If there's already
+    // an initialized request object in the pre-kernel container, persist it in
+    // the post-kernel container.
+    if (Drupal::getContainer()->initialized('request')) {
+      $request = Drupal::request();
+    }
     $kernel = new DrupalKernel('install', drupal_classloader(), FALSE);
     $kernel->boot();
+    if (isset($request)) {
+      Drupal::getContainer()->set('request', $request);
+    }
+
   }
 
   $system_path = drupal_get_path('module', 'system');
diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index af1fe52..f0d2566 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -382,10 +382,17 @@ protected function getKernelParameters() {
    */
   protected function initializeContainer() {
     $persist = $this->getServicesToPersist();
-    // If we are rebuilding the kernel and we are in a request scope, store
-    // request info so we can add them back after the rebuild.
-    if (isset($this->container) && $this->container->hasScope('request')) {
-      $request = $this->container->get('request');
+    // The request service requires custom persisting logic, since it is also
+    // potentially scoped. During Drupal installation, there is a request
+    // service without a request scope.
+    $request_scope = FALSE;
+    if (isset($this->container)) {
+      if ($this->container->hasScope('request') && $this->container->isScopeActive('request')) {
+        $request_scope = TRUE;
+      }
+      if ($this->container->initialized('request')) {
+        $request = $this->container->get('request');
+      }
     }
     $this->container = NULL;
     $class = $this->getClassName();
@@ -458,8 +465,10 @@ protected function initializeContainer() {
     // Set the class loader which was registered as a synthetic service.
     $this->container->set('class_loader', $this->classLoader);
     // If we have a request set it back to the new container.
-    if (isset($request)) {
+    if ($request_scope) {
       $this->container->enterScope('request');
+    }
+    if (isset($request)) {
       $this->container->set('request', $request);
     }
     \Drupal::setContainer($this->container);
diff --git a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
index 54305c0..c0ce1b2 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
@@ -13,6 +13,7 @@
 use Symfony\Component\DependencyInjection\Reference;
 use Drupal\Core\Database\Database;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Base test case class for Drupal unit tests.
@@ -183,7 +184,8 @@ public function containerBuild(ContainerBuilder $container) {
       $definition = $container->getDefinition('path_processor_alias');
       $definition->clearTag('path_processor_inbound')->clearTag('path_processor_outbound');
     }
-
+    $request = Request::createFromGlobals();
+    $this->container->set('request', $request);
   }
 
   /**
diff --git a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
index 4780e85..700b4e5 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
@@ -19,6 +19,7 @@
 use Drupal\Core\Language\Language;
 use ReflectionMethod;
 use ReflectionObject;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Base class for Drupal tests.
@@ -922,7 +923,9 @@ protected function prepareEnvironment() {
     $this->container = new ContainerBuilder();
      // @todo Remove this once this class has no calls to t() and format_plural()
     $this->container->register('string_translation', 'Drupal\Core\StringTranslation\TranslationManager');
-
+    $request = Request::createFromGlobals();
+    $request->attributes->set('account', $GLOBALS['user']);
+    $this->container->set('request', $request);
     \Drupal::setContainer($this->container);
 
     // Unset globals.
@@ -989,7 +992,10 @@ protected function rebuildContainer() {
     $this->kernel->boot();
     // DrupalKernel replaces the container in drupal_container() with a
     // different object, so we need to replace the instance on this test class.
-    $this->container = drupal_container();
+    $this->container = \Drupal::getContainer();
+    $request = Request::createFromGlobals();
+    $request->attributes->set('account', $GLOBALS['user']);
+    $this->container->set('request', $request);
   }
 
   /**
diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 49b1a44..15b3325 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -30,6 +30,10 @@
 // Bootstrap to perform initial validation or other operations.
 drupal_bootstrap(DRUPAL_BOOTSTRAP_CODE);
 simpletest_classloader_register();
+// We have to add a Request.
+$request = \Symfony\Component\HttpFoundation\Request::createFromGlobals();
+$container = Drupal::getContainer();
+$container->set('request', $request);
 
 if (!module_exists('simpletest')) {
   simpletest_script_print_error("The simpletest module must be enabled before this script can run.");
@@ -472,8 +476,11 @@ function simpletest_script_run_one_test($test_id, $test_class) {
   try {
     // Bootstrap Drupal.
     drupal_bootstrap(DRUPAL_BOOTSTRAP_CODE);
-
     simpletest_classloader_register();
+    // We have to add a Request.
+    $request = \Symfony\Component\HttpFoundation\Request::createFromGlobals();
+    $container = Drupal::getContainer();
+    $container->set('request', $request);
 
     // Override configuration according to command line parameters.
     $conf['simpletest.settings']['verbose'] = $args['verbose'];
diff --git a/core/update.php b/core/update.php
index fba6b86..74bbc04 100644
--- a/core/update.php
+++ b/core/update.php
@@ -428,15 +428,14 @@ function update_check_requirements($skip_warnings = FALSE) {
 
 // Determine if the current user has access to run update.php.
 drupal_bootstrap(DRUPAL_BOOTSTRAP_VARIABLES);
-require_once DRUPAL_ROOT . '/' . settings()->get('session_inc', 'core/includes/session.inc');
-drupal_session_initialize();
-
 // A request object from the HTTPFoundation to tell us about the request.
 // @todo These two lines were copied from index.php which has its own todo about
 // a change required here. Revisit this when that change has been made.
 $request = Request::createFromGlobals();
-drupal_container()
-  ->set('request', $request);
+Drupal::getContainer()->set('request', $request);
+
+require_once DRUPAL_ROOT . '/' . settings()->get('session_inc', 'core/includes/session.inc');
+drupal_session_initialize();
 
 // There can be conflicting 'op' parameters because both update and batch use
 // this parameter name. We need the 'op' coming from a POST request to trump