diff --git a/src/Controller/UploadController.php b/src/Controller/UploadController.php
index bffbbac7d84afeb0475d3070de89fb5c0304d178..2d9415635e689e6194efd12b833fb09f3af3565f 100644
--- a/src/Controller/UploadController.php
+++ b/src/Controller/UploadController.php
@@ -33,6 +33,8 @@ class UploadController extends Controller
 {
     public const CSRF_INTENTION = 'uploaded_file';
 
+    protected const REQUEST_FORMAT = 'json';
+
     /**
      * @var FileManagerInterface
      */
@@ -91,41 +93,38 @@ class UploadController extends Controller
      */
     public function createAction(Request $request)
     {
-        try {
-            $data = $request->request->get('file');
-
-            $token = $this->tokenStorage->getToken();
-
-            $file = $this->fileManager->create(
-                $data['name'],
-                $data['size'],
-                $data['type'],
-                $data['lastModified'] ?? null,
-                null !== $token ? $token->getUsername() : null,
-                $request->getClientIp()
-            );
-
-            $parameters = ['id' => $file->getId()];
-
-            $deleteUrl = $this->urlGenerator->generate('file_upload_delete', $parameters);
-
-            return $this->createResponse(
-                Response::HTTP_CREATED,
-                'New file created',
-                array_merge(
-                    $file->toArray(),
-                    [
-                        'put_url'     => $this->urlGenerator->generate('file_upload_put_content', $parameters),
-                        'delete_type' => 'DELETE',
-                        'delete_url'  => $deleteUrl,
-                    ]
-                ),
-                // On a pas de get pour l'instant, le DELETE et ce qui y ressemble le plus
-                ['Location' => $deleteUrl]
-            );
-        } catch (\Exception $ex) {
-            return $this->createExceptionResponse($ex);
-        }
+        $request->setRequestFormat(self::REQUEST_FORMAT);
+        $data = $request->request->get('file');
+
+        $token = $this->tokenStorage->getToken();
+
+        $file = $this->fileManager->create(
+            $data['name'],
+            $data['size'],
+            $data['type'],
+            $data['lastModified'] ?? null,
+            $token !== null ? $token->getUsername() : null,
+            $request->getClientIp()
+        );
+
+        $parameters = ['id' => $file->getId()];
+
+        $deleteUrl = $this->urlGenerator->generate('file_upload_delete', $parameters);
+
+        return $this->createResponse(
+            Response::HTTP_CREATED,
+            'New file created',
+            array_merge(
+                $file->toArray(),
+                [
+                    'put_url'     => $this->urlGenerator->generate('file_upload_put_content', $parameters),
+                    'delete_type' => 'DELETE',
+                    'delete_url'  => $deleteUrl,
+                ]
+            ),
+            // On a pas de get pour l'instant, le DELETE et ce qui y ressemble le plus
+            ['Location' => $deleteUrl]
+        );
     }
 
     /**
@@ -139,24 +138,21 @@ class UploadController extends Controller
      */
     public function putContentAction(Request $request, UploadedFile $file)
     {
-        try {
-            $this->validateCsrfToken($request);
-
-            [$offset, $maxlen, $complete] = $this->handleRangeHeader($request);
+        $request->setRequestFormat(self::REQUEST_FORMAT);
+        $this->validateCsrfToken($request);
 
-            // Demande un filehandle plutôt que charger le contenu en mémoire
-            $input = $request->getContent(true);
-            $file->copyFrom($input, $maxlen, $offset);
-            fclose($input);
+        [$offset, $maxlen, $complete] = $this->handleRangeHeader($request);
 
-            if ($complete) {
-                return $this->completeUpload($file);
-            }
+        // Demande un filehandle plutôt que charger le contenu en mémoire
+        $input = $request->getContent(true);
+        $file->copyFrom($input, $maxlen, $offset);
+        fclose($input);
 
-            return $this->createResponse(Response::HTTP_OK, 'Chunk received');
-        } catch (\Exception $ex) {
-            return $this->createExceptionResponse($ex);
+        if ($complete) {
+            return $this->completeUpload($file);
         }
+
+        return $this->createResponse(Response::HTTP_OK, 'Chunk received');
     }
 
     /**
@@ -166,9 +162,10 @@ class UploadController extends Controller
      */
     protected function handleRangeHeader(Request $request)
     {
-        if (null === $range = $request->headers->get('Content-Range')) {
+        if (!$request->headers->has('Content-Range')) {
             return [0, PHP_INT_MAX, true];
         }
+        $range = $request->headers->get('Content-Range');
 
         $matches = [];
         if (!preg_match('@^bytes (\d+)-(\d+)/(\d+)$@', $range, $matches)) {
@@ -250,15 +247,13 @@ class UploadController extends Controller
      */
     public function deleteAction(Request $request, UploadedFile $file)
     {
-        try {
-            $this->validateCsrfToken($request);
+        $request->setRequestFormat(self::REQUEST_FORMAT);
+
+        $this->validateCsrfToken($request);
 
-            $this->fileManager->delete($file);
+        $this->fileManager->delete($file);
 
-            return $this->createResponse();
-        } catch (\Exception $ex) {
-            return $this->createExceptionResponse($ex);
-        }
+        return $this->createResponse();
     }
 
     /**
@@ -291,26 +286,4 @@ class UploadController extends Controller
 
         return $response;
     }
-
-    /**
-     * @param \Exception $ex
-     *
-     * @return JsonResponse
-     */
-    protected function createExceptionResponse(\Exception $ex)
-    {
-        return $this->createResponse(
-            $ex instanceof HttpException ? $ex->getStatusCode() : Response::HTTP_INTERNAL_SERVER_ERROR,
-            preg_replace("/[\n\r]+/", ' ', $ex->getMessage()),
-            [
-                'exception' => [
-                    'class' => get_class($ex),
-                    'file'  => $ex->getFile(),
-                    'line'  => $ex->getLine(),
-                    'code'  => $ex->getCode(),
-                    'trace' => $ex->getTrace(),
-                ],
-            ]
-        );
-    }
 }