diff --git a/core/lib/Drupal/Core/ParamConverter/ParamConverterManager.php b/core/lib/Drupal/Core/ParamConverter/ParamConverterManager.php
index cad7609c83..944bd5304c 100644
--- a/core/lib/Drupal/Core/ParamConverter/ParamConverterManager.php
+++ b/core/lib/Drupal/Core/ParamConverter/ParamConverterManager.php
@@ -96,9 +96,12 @@ public function convert(array $defaults) {
 
       // If a converter returns NULL it means that the parameter could not be
       // converted.
-      $defaults[$name] = $this->getConverter($definition['converter'])->convert($defaults[$name], $definition, $name, $defaults);
+      $value = $defaults[$name];
+      $defaults[$name] = $this->getConverter($definition['converter'])->convert($value, $definition, $name, $defaults);
       if (!isset($defaults[$name])) {
-        throw new ParamNotConvertedException(sprintf('The "%s" parameter was not converted for the path "%s" (route name: "%s")', $name, $route->getPath(), $defaults[RouteObjectInterface::ROUTE_NAME]));
+        $message = 'The "%s" parameter was not converted for the path "%s" (route name: "%s")';
+        $route_name = $defaults[RouteObjectInterface::ROUTE_NAME];
+        throw new ParamNotConvertedException(sprintf($message, $name, $route->getPath(), $route_name), 0, NULL, $route_name, [$name => $value]);
       }
     }
 
diff --git a/core/lib/Drupal/Core/ParamConverter/ParamNotConvertedException.php b/core/lib/Drupal/Core/ParamConverter/ParamNotConvertedException.php
index d44cfc7490..0979a00cfd 100644
--- a/core/lib/Drupal/Core/ParamConverter/ParamNotConvertedException.php
+++ b/core/lib/Drupal/Core/ParamConverter/ParamNotConvertedException.php
@@ -7,4 +7,58 @@
  */
 class ParamNotConvertedException extends \Exception {
 
+  /**
+   * The route name that was not converted.
+   *
+   * @var string
+   */
+  protected $routeName = "";
+
+  /**
+   * The raw parameters that were not converted.
+   *
+   * @var array
+   */
+  protected $rawParameters = [];
+
+  /**
+   * Constructs the ParamNotConvertedException.
+   *
+   * @param string $message
+   *   The Exception message to throw.
+   * @param int $code
+   *   The Exception code.
+   * @param \Exception $previous
+   *   The previous exception used for the exception chaining.
+   * @param string $route_name
+   *   The route name that was not converted.
+   * @param array $raw_parameters
+   *   The raw parameters that were not converted.
+   */
+  public function __construct(string $message = "", int $code = 0, \Exception $previous = NULL, string $route_name = "", array $raw_parameters = []) {
+    parent::__construct($message, $code, $previous);
+    $this->routeName = $route_name;
+    $this->rawParameters = $raw_parameters;
+  }
+
+  /**
+   * Get the route name that was not converted.
+   *
+   * @return string
+   *   The route name that was not converted.
+   */
+  public function getRouteName() {
+    return $this->routeName;
+  }
+
+  /**
+   * Get the raw parameters that were not converted.
+   *
+   * @return array
+   *   The raw parameters that were not converted.
+   */
+  public function getRawParameters() {
+    return $this->rawParameters;
+  }
+
 }
diff --git a/core/modules/node/src/EventSubscriber/NodeTranslationExceptionSubscriber.php b/core/modules/node/src/EventSubscriber/NodeTranslationExceptionSubscriber.php
new file mode 100644
index 0000000000..39a2540169
--- /dev/null
+++ b/core/modules/node/src/EventSubscriber/NodeTranslationExceptionSubscriber.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace Drupal\node\EventSubscriber;
+
+use Drupal\Core\KeyValueStore\KeyValueFactoryInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\ParamConverter\ParamNotConvertedException;
+use Drupal\Core\Routing\UrlGeneratorInterface;
+use Drupal\Core\State\StateInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Redirects non-existent migrated node translations.
+ *
+ * If we migrated node translations from Drupal 6 or 7, these nodes are now
+ * combined with their source language node. Since there still might be
+ * references to the URLs of these now non-existent nodes, this service catches
+ * the 404s and try to redirect them to the right node in the right language.
+ *
+ * The mapping of the old nids to the new ones is made by the
+ * NodeTranslationMigrateSubscriber class during the migration and is stored
+ * in the "node_translation_redirect" key/value collection.
+ *
+ * @see \Drupal\node\NodeServiceProvider
+ * @see \Drupal\node\EventSubscriber\NodeTranslationMigrateSubscriber
+ */
+class NodeTranslationExceptionSubscriber implements EventSubscriberInterface {
+
+  /**
+   * The key value factory.
+   *
+   * @var \Drupal\Core\KeyValueStore\KeyValueFactoryInterface
+   */
+  protected $keyValue;
+
+  /**
+   * The language manager.
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
+  /**
+   * The URL generator.
+   *
+   * @var \Drupal\Core\Routing\UrlGeneratorInterface
+   */
+  protected $urlGenerator;
+
+  /**
+   * The state service.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
+   * Constructs the NodeTranslationExceptionSubscriber.
+   *
+   * @param \Drupal\Core\KeyValueStore\KeyValueFactoryInterface $key_value
+   *   The key value factory.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
+   * @param \Drupal\Core\Routing\UrlGeneratorInterface $url_generator
+   *   The URL generator.
+   * @param \Drupal\Core\State\StateInterface $state
+   *   The state service.
+   */
+  public function __construct(KeyValueFactoryInterface $key_value, LanguageManagerInterface $language_manager, UrlGeneratorInterface $url_generator, StateInterface $state) {
+    $this->keyValue = $key_value;
+    $this->languageManager = $language_manager;
+    $this->urlGenerator = $url_generator;
+    $this->state = $state;
+  }
+
+  /**
+   * Redirects not found node translations using the key value collection.
+   *
+   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event;
+   *   The exception event.
+   */
+  public function onException(GetResponseForExceptionEvent $event) {
+    $exception = $event->getException();
+
+    // If this is not a 404, we don't need to check for a redirection.
+    if (!($exception instanceof NotFoundHttpException)) {
+      return;
+    }
+
+    // If the node_translation_redirect state is not set, we don't need to check
+    // for a redirection.
+    if (!$this->state->get('node_translation_redirect')) {
+      return;
+    }
+
+    $previousException = $exception->getPrevious();
+    if ($previousException instanceof ParamNotConvertedException) {
+      $routeName = $previousException->getRouteName();
+      $parameters = $previousException->getRawParameters();
+      if ($routeName === 'entity.node.canonical' && isset($parameters['node'])) {
+        $oldNid = $parameters['node'];
+        $collection = $this->keyValue->get('node_translation_redirect');
+        if ($oldNid && $collection->has($oldNid)) {
+          list($nid, $langcode) = $collection->get($oldNid);
+          $language = $this->languageManager->getLanguage($langcode);
+          $url = $this->urlGenerator->generateFromRoute('entity.node.canonical', ['node' => $nid], ['language' => $language]);
+          $response = new RedirectResponse($url, 301);
+          $event->setResponse($response);
+        }
+      }
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    $events = [];
+
+    $events[KernelEvents::EXCEPTION] = ['onException'];
+
+    return $events;
+  }
+
+}
diff --git a/core/modules/node/src/EventSubscriber/NodeTranslationMigrateSubscriber.php b/core/modules/node/src/EventSubscriber/NodeTranslationMigrateSubscriber.php
new file mode 100644
index 0000000000..6913879dc0
--- /dev/null
+++ b/core/modules/node/src/EventSubscriber/NodeTranslationMigrateSubscriber.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace Drupal\node\EventSubscriber;
+
+use Drupal\Core\KeyValueStore\KeyValueFactoryInterface;
+use Drupal\Core\State\StateInterface;
+use Drupal\migrate\Event\EventBase;
+use Drupal\migrate\Event\MigrateEvents;
+use Drupal\migrate\Event\MigrateImportEvent;
+use Drupal\migrate\Event\MigratePostRowSaveEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Creates a key value collection for migrated node translation redirections.
+ *
+ * If we are migrating node translations from Drupal 6 or 7, these nodes will be
+ * combined with their source node. Since there still might be references to the
+ * URLs of these now non-existent nodes, this service saves the mapping between
+ * the old nids to the new ones to be able to redirect them to the right node in
+ * the right language.
+ *
+ * The mapping is stored in the "node_translation_redirect" key/value collection
+ * and the redirection is made by the NodeTranslationExceptionSubscriber class.
+ *
+ * @see \Drupal\node\NodeServiceProvider
+ * @see \Drupal\node\EventSubscriber\NodeTranslationExceptionSubscriber
+ */
+class NodeTranslationMigrateSubscriber implements EventSubscriberInterface {
+
+  /**
+   * The key value factory.
+   *
+   * @var \Drupal\Core\KeyValueStore\KeyValueFactoryInterface
+   */
+  protected $keyValue;
+
+  /**
+   * The state service.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
+   * Constructs the NodeTranslationMigrateSubscriber.
+   *
+   * @param \Drupal\Core\KeyValueStore\KeyValueFactoryInterface $key_value
+   *   The key value factory.
+   * @param \Drupal\Core\State\StateInterface $state
+   *   The state service.
+   */
+  public function __construct(KeyValueFactoryInterface $key_value, StateInterface $state) {
+    $this->keyValue = $key_value;
+    $this->state = $state;
+  }
+
+  /**
+   * Helper method to check if we are migrating translated nodes.
+   *
+   * @param \Drupal\migrate\Event\EventBase $event
+   *   The migrate event.
+   *
+   * @return bool
+   *   True if we are migrating translated nodes, false otherwise.
+   */
+  protected function isNodeTranslationsMigration(EventBase $event) {
+    $migration = $event->getMigration();
+    $source_configuration = $migration->getSourceConfiguration();
+    $destination_configuration = $migration->getDestinationConfiguration();
+    return !empty($source_configuration['translations']) && $destination_configuration['plugin'] === 'entity:node';
+  }
+
+  /**
+   * Maps the old nid to the new one in the key value collection.
+   *
+   * @param \Drupal\migrate\Event\MigratePostRowSaveEvent $event
+   *   The migrate post row save event.
+   */
+  public function onPostRowSave(MigratePostRowSaveEvent $event) {
+    if ($this->isNodeTranslationsMigration($event)) {
+      $row = $event->getRow();
+      $source = $row->getSource();
+      $destination = $row->getDestination();
+      $collection = $this->keyValue->get('node_translation_redirect');
+      $collection->set($source['nid'], [$destination['nid'], $destination['langcode']]);
+    }
+  }
+
+  /**
+   * Set the node_translation_redirect state to enable the redirections.
+   *
+   * @param \Drupal\migrate\Event\MigrateImportEvent $event
+   *   The migrate import event.
+   */
+  public function onPostImport(MigrateImportEvent $event) {
+    if ($this->isNodeTranslationsMigration($event)) {
+      $this->state->set('node_translation_redirect', TRUE);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    $events = [];
+
+    $events[MigrateEvents::POST_ROW_SAVE] = ['onPostRowSave'];
+    $events[MigrateEvents::POST_IMPORT] = ['onPostImport'];
+
+    return $events;
+  }
+
+}
diff --git a/core/modules/node/src/NodeServiceProvider.php b/core/modules/node/src/NodeServiceProvider.php
new file mode 100644
index 0000000000..8d2581722a
--- /dev/null
+++ b/core/modules/node/src/NodeServiceProvider.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Drupal\node;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\DependencyInjection\ServiceProviderInterface;
+use Drupal\node\EventSubscriber\NodeTranslationExceptionSubscriber;
+use Drupal\node\EventSubscriber\NodeTranslationMigrateSubscriber;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Registers services in the container.
+ */
+class NodeServiceProvider implements ServiceProviderInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function register(ContainerBuilder $container) {
+    // Register the node.node_translation_migrate service in the container if
+    // the migrate and language modules are enabled.
+    $modules = $container->getParameter('container.modules');
+    if (isset($modules['migrate']) && isset($modules['language'])) {
+      $container->register('node.node_translation_migrate', NodeTranslationMigrateSubscriber::class)
+        ->addTag('event_subscriber')
+        ->addArgument(new Reference('keyvalue'))
+        ->addArgument(new Reference('state'));
+    }
+
+    // Register the node.node_translation_exception service in the container if
+    // the language module is enabled.
+    if (isset($modules['language'])) {
+      $container->register('node.node_translation_exception', NodeTranslationExceptionSubscriber::class)
+        ->addTag('event_subscriber')
+        ->addArgument(new Reference('keyvalue'))
+        ->addArgument(new Reference('language_manager'))
+        ->addArgument(new Reference('url_generator'))
+        ->addArgument(new Reference('state'));
+    }
+  }
+
+}
diff --git a/core/modules/node/tests/src/Kernel/Migrate/d6/NodeTranslationRedirectTest.php b/core/modules/node/tests/src/Kernel/Migrate/d6/NodeTranslationRedirectTest.php
new file mode 100644
index 0000000000..7daac88309
--- /dev/null
+++ b/core/modules/node/tests/src/Kernel/Migrate/d6/NodeTranslationRedirectTest.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Drupal\Tests\node\Kernel\Migrate\d6;
+
+use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Tests node translation redirections.
+ *
+ * @group migrate_drupal
+ * @group node
+ */
+class NodeTranslationRedirectTest extends MigrateDrupal6TestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'content_translation',
+    'language',
+    'menu_ui',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->installEntitySchema('node');
+    $this->installConfig(['node']);
+    $this->installSchema('node', ['node_access']);
+    $this->installSchema('system', ['key_value']);
+    $this->migrateUsers(FALSE);
+    $this->migrateFields();
+
+    $this->executeMigrations([
+      'language',
+      'd6_language_types',
+      'd6_language_negotiation_settings',
+      'd6_node_settings',
+      'd6_node',
+      'd6_node_translation',
+    ]);
+  }
+
+  /**
+   * Tests that not found node translations are redirected.
+   */
+  public function testNodeTranslationRedirect() {
+    $kernel = $this->container->get('http_kernel');
+    $request = Request::create('/node/11');
+    $response = $kernel->handle($request);
+    $this->assertSame(301, $response->getStatusCode());
+    $this->assertSame('/node/10', $response->getTargetUrl());
+  }
+
+}
diff --git a/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php b/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php
new file mode 100644
index 0000000000..88cc2ade7b
--- /dev/null
+++ b/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Drupal\Tests\node\Kernel\Migrate\d7;
+
+use Drupal\Tests\migrate_drupal\Kernel\d7\MigrateDrupal7TestBase;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Tests node translation redirections.
+ *
+ * @group migrate_drupal
+ * @group node
+ */
+class NodeTranslationRedirectTest extends MigrateDrupal7TestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'content_translation',
+    'language',
+    'menu_ui',
+    'node',
+    'text',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->installEntitySchema('node');
+    $this->installConfig('node');
+    $this->installSchema('node', ['node_access']);
+    $this->installSchema('system', ['key_value']);
+
+    $this->executeMigrations([
+      'language',
+      'd7_language_types',
+      'd7_language_negotiation_settings',
+      'd7_user_role',
+      'd7_user',
+      'd7_node_type',
+      'd7_node',
+      'd7_node_translation',
+    ]);
+  }
+
+  /**
+   * Tests that not found node translations are redirected.
+   */
+  public function testNodeTranslationRedirect() {
+    $kernel = $this->container->get('http_kernel');
+    $request = Request::create('/node/3');
+    $response = $kernel->handle($request);
+    $this->assertSame(301, $response->getStatusCode());
+    $this->assertSame('/node/2', $response->getTargetUrl());
+  }
+
+}