Improve redis queue handling of error

models/RedisQueue.php

@@ -86,6 +86,9 @@ class RedisQueue implements Queue
             // Ignore error if the group already exists
         }
 
+
+        try 
+        {
             // Read a single message starting from the oldest (>)
             $messages = $this->redis->xReadGroup($this->group, $this->consumer, [$stream => '>'], 1);
             if (!count($messages))
@@ -102,6 +105,11 @@ class RedisQueue implements Queue
                     return $message['message'];
                 }
             }
+        }
+        catch (Exception $e) 
+        {
+            throw new \Exception('Redis server failed to answer !');
+        }
 
         return null;
     }