Resolve https://github.com/ruflin/Elastica/issues/1737: handle 413 response

CHANGELOG.md

@@ -1959,3 +1959,7 @@ The changelog before version 2.0.0 was organised by date. All changes can be fou
 
 2011-03-21
 - ChildrenAggregation added - https://www.elastic.co/guide/en/elasticsearch/guide/current/children-agg.html
+
+2022-03-21
+- Added `\Elastica\Exception\RequestEntityTooLargeException`
+- Adjusted `\Elastica\Bulk`, throw RequestEntityTooLargeException if response code 413

src/Bulk.php

@@ -9,6 +9,7 @@
 use Elastica\Exception\Bulk\ResponseException;
 use Elastica\Exception\Bulk\ResponseException as BulkResponseException;
 use Elastica\Exception\InvalidException;
+use Elastica\Exception\RequestEntityTooLargeException;
 use Elastica\Script\AbstractScript;
 
 class Bulk
@@ -296,6 +297,10 @@ public function send(): ResponseSet
      */
     protected function _processResponse(Response $response): ResponseSet
     {
+        switch ($response->getStatus()) {
+            case 413: throw new RequestEntityTooLargeException();
+        }
+
         $responseData = $response->getData();
 
         $actions = $this->getActions();

src/Exception/RequestEntityTooLargeException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Elastica\Exception;
+
+class RequestEntityTooLargeException extends \RuntimeException implements ExceptionInterface
+{
+    /**
+     * @var string
+     */
+    protected $message = 'Request entity is too large.';
+}