Hi, I had same problem. My log file looked like yours. I fixed it by enabling fopen wrapper.
resmush log:
[09-04-2018 13:40:26] Bulk optimization launched for file : /www/server.com/wp-content/uploads/2018/04/bh4.jpg
[09-04-2018 13:40:26] Revert original image for : /www/server.com/wp-content/uploads/2018/04/bh4.jpg
wp log:
[09-Apr-2018 13:40:28 UTC] PHP Warning: file_get_contents(): http:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /www/server.com/wp-content/plugins/resmushit-image-optimizer/classes/resmushit.class.php on line 69
[09-Apr-2018 13:40:28 UTC] PHP Warning: file_get_contents(http://static1.resmush.it/output/59d6a3109563121bb01967270095a933/bh4-150×150.jpg): failed to open stream: no suitable wrapper could be found in /www/server.com/wp-content/plugins/resmushit-image-optimizer/classes/resmushit.class.php on line 69
I hope I helped.
I’ve tried a default /login and a custom slug, but anyone does not work. In both cases I get 404 error.
