Added PM2 and check if header response set.

jobs/jobsListMedia.ts

@@ -73,9 +73,9 @@ export async function JobsListMedia(req: Request, res: Response) {
       );
     }
 
-    res.json(ret);
+    if (!res.headersSent) res.json(ret);
   } catch (error) {
     logger.error("Error listing job media.", { jobid, error });
-    res.status(500).json(error);
+    if (!res.headersSent) res.status(500).json(error);
   }
 }