Update to Drupal 8.1.5. For more information, see https://www.drupal.org/project/drupal/releases/8.1.5

core/modules/file/file.module

@@ -185,8 +185,6 @@ function file_copy(FileInterface $source, $destination = NULL, $replace = FILE_E
 /**
  * Moves a file to a new location and update the file's database entry.
  *
- * Moving a file is performed by copying the file to the new location and then
- * deleting the original.
  * - Checks if $source and $destination are valid and readable/writable.
  * - Performs a file move if $source is not equal to $destination.
  * - If file already exists in $destination either the call will error out,
@@ -1177,7 +1175,7 @@ function file_managed_file_save_upload($element, FormStateInterface $form_state)
 
   $destination = isset($element['#upload_location']) ? $element['#upload_location'] : NULL;
   if (isset($destination) && !file_prepare_directory($destination, FILE_CREATE_DIRECTORY)) {
-    \Drupal::logger('file')->notice('The upload directory %directory for the file field !name could not be created or is not accessible. A newly uploaded file could not be saved in this directory as a consequence, and the upload was canceled.', array('%directory' => $destination, '!name' => $element['#field_name']));
+    \Drupal::logger('file')->notice('The upload directory %directory for the file field %name could not be created or is not accessible. A newly uploaded file could not be saved in this directory as a consequence, and the upload was canceled.', array('%directory' => $destination, '%name' => $element['#field_name']));
     $form_state->setError($element, t('The file could not be uploaded.'));
     return FALSE;
   }

core/modules/file/src/Plugin/migrate/cckfield/d6/FileField.php

@@ -8,7 +8,8 @@ use Drupal\migrate_drupal\Plugin\migrate\cckfield\CckFieldPluginBase;
 
 /**
  * @MigrateCckField(
- *   id = "filefield"
+ *   id = "filefield",
+ *   core = {6}
  * )
  */
 class FileField extends CckFieldPluginBase {

core/modules/file/src/Plugin/migrate/cckfield/d7/FileField.php

@@ -9,6 +9,7 @@ use Drupal\migrate_drupal\Plugin\migrate\cckfield\CckFieldPluginBase;
 /**
  * @MigrateCckField(
  *   id = "file",
+ *   core = {7}
  * )
  */
 class FileField extends CckFieldPluginBase {

core/modules/file/src/Plugin/migrate/cckfield/d7/ImageField.php

@@ -7,7 +7,8 @@ use Drupal\migrate_drupal\Plugin\migrate\cckfield\CckFieldPluginBase;
 
 /**
  * @MigrateCckField(
- *   id = "image"
+ *   id = "image",
+ *   core = {7}
  * )
  */
 class ImageField extends CckFieldPluginBase {

core/modules/file/src/Plugin/migrate/destination/EntityFile.php

@@ -147,7 +147,7 @@ class EntityFile extends EntityContentBase {
    *   (optional) FILE_EXISTS_REPLACE (default) or FILE_EXISTS_RENAME.
    *
    * @return bool
-   *  TRUE on success, FALSE on failure.
+   *   TRUE on success, FALSE on failure.
    */
   protected function writeFile($source, $destination, $replace = FILE_EXISTS_REPLACE) {
     if ($this->configuration['move']) {
@@ -190,8 +190,8 @@ class EntityFile extends EntityContentBase {
    *   The URI or path.
    *
    * @return string|false
-   *  The directory component of the path or URI, or FALSE if it could not
-   *  be determined.
+   *   The directory component of the path or URI, or FALSE if it could not
+   *   be determined.
    */
   protected function getDirectory($uri) {
     $dir = $this->fileSystem->dirname($uri);
@@ -213,8 +213,8 @@ class EntityFile extends EntityContentBase {
    *   The destination URI.
    *
    * @return bool
-   *  TRUE if the source and destination URIs refer to the same physical path,
-   *  otherwise FALSE.
+   *   TRUE if the source and destination URIs refer to the same physical path,
+   *   otherwise FALSE.
    */
   protected function isLocationUnchanged($source, $destination) {
     if ($this->isLocalUri($source) && $this->isLocalUri($destination)) {

core/modules/file/src/Plugin/migrate/source/d6/File.php

@@ -45,7 +45,7 @@ class File extends DrupalSqlBase {
       // If two or more files have the same timestamp, they'll end up in a
       // non-deterministic order. Ordering by fid (or any other unique field)
       // will prevent this.
-      ->orderBy('fid');
+      ->orderBy('f.fid');
   }
 
   /**

core/modules/file/src/Plugin/migrate/source/d6/UploadInstance.php

@@ -33,7 +33,7 @@ class UploadInstance extends DrupalSqlBase {
     $return = array();
     $values = $this->select('variable', 'v')
       ->fields('v', ['name', 'value'])
-      ->condition('name', $variables, 'IN')
+      ->condition('v.name', $variables, 'IN')
       ->execute()
       ->fetchAllKeyed();
     foreach ($node_types as $node_type) {

core/modules/file/src/Plugin/migrate/source/d7/File.php

@@ -42,7 +42,7 @@ class File extends DrupalSqlBase {
   public function query() {
     $query = $this->select('file_managed', 'f')
       ->fields('f')
-      ->orderBy('timestamp');
+      ->orderBy('f.timestamp');
 
     // Filter by scheme(s), if configured.
     if (isset($this->configuration['scheme'])) {

core/modules/file/src/Tests/FileListingTest.php

@@ -4,6 +4,7 @@ namespace Drupal\file\Tests;
 
 use Drupal\node\Entity\Node;
 use Drupal\file\Entity\File;
+use Drupal\entity_test\Entity\EntityTestConstraints;
 
 /**
  * Tests file listing page functionality.
@@ -17,7 +18,7 @@ class FileListingTest extends FileFieldTestBase {
    *
    * @var array
    */
-  public static $modules = array('views', 'file', 'image');
+  public static $modules = array('views', 'file', 'image', 'entity_test');
 
   /**
    * An authenticated user.
@@ -144,11 +145,60 @@ class FileListingTest extends FileFieldTestBase {
     }
   }
 
+  /**
+   * Tests file listing usage page for entities with no canonical link template.
+   */
+  function testFileListingUsageNoLink() {
+    // Login with user with right permissions and test listing.
+    $this->drupalLogin($this->adminUser);
+
+    // Create a bundle and attach a File field to the bundle.
+    $bundle = $this->randomMachineName();
+    entity_test_create_bundle($bundle, NULL, 'entity_test_constraints');
+    $this->createFileField('field_test_file', 'entity_test_constraints', $bundle, array(), array('file_extensions' => 'txt png'));
+
+    // Create file to attach to entity.
+    $file = File::create([
+      'filename' => 'druplicon.txt',
+      'uri' => 'public://druplicon.txt',
+      'filemime' => 'text/plain',
+    ]);
+    $file->setPermanent();
+    file_put_contents($file->getFileUri(), 'hello world');
+    $file->save();
+
+    // Create entity and attach the created file.
+    $entity_name = $this->randomMachineName();
+    $entity = EntityTestConstraints::create(array(
+      'uid' => 1,
+      'name' => $entity_name,
+      'type' => $bundle,
+      'field_test_file' => array(
+        'target_id' => $file->id(),
+      ),
+    ));
+    $entity->save();
+
+    // Create node entity and attach the created file.
+    $node = $this->drupalCreateNode(array('type' => 'article', 'file' => $file));
+    $node->save();
+
+    // Load the file usage page for the created and attached file.
+    $this->drupalGet('admin/content/files/usage/' . $file->id());
+
+    $this->assertResponse(200);
+    // Entity name should be displayed, but not linked if Entity::toUrl
+    // throws an exception
+    $this->assertText($entity_name, 'Entity name is added to file usage listing.');
+    $this->assertNoLink($entity_name, 'Linked entity name not added to file usage listing.');
+    $this->assertLink($node->getTitle());
+  }
+
   /**
    * Creates and saves a test file.
    *
    * @return \Drupal\Core\Entity\EntityInterface
-   *  A file entity.
+   *   A file entity.
    */
   protected function createFile() {
     // Create a new file entity.