Wordpress LScache Plugin: Images Failed To Fetch
Last Updated on: Wed, 15 Apr 2026 00:00:02 Report number: JMBUPASL Do I need to Whitelist image server IP to work? If yes please let me know Report number: MPKPGUUP Do I need to Whitelist image server IP to work? If yes please let me know 2 site reports Please follow https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:cache:lscwp:image-optimization#server_list to add whitelist. Thanks. It dont work even white listed & temporary disable firewall Image show failed to fetch Hi, Could you please enable debug log ? that way we shall know more whats going on and what went wrong. Best regards, Debug Enable Where can I send you the log? Hello, After enable it, recreate the problem and look at the log. You can post the related lines here. 07/11/18 20:01:28.251 [183.171.90.235:41358 1 d9u] ??GET HTTP/1.1 (HTTPS) /wp-admin/admin.php 07/11/18 20:01:28.251 [183.171.90.235:41358 1 d9u] Query String: page=lscache-optimization&type=sync_data&LSCWP_CTRL=img_optm&LSCWP_NONCE=4bbe8ed652 07/11/18 20:01:28.251 [183.171.90.235:41358 1 d9u] Cookie _lscache_vary: admin_bar:1 logged-in:1 role:99 role_exclude_cache:1 07/11/18 20:01:28.467 [183.171.90.235:41358 1 d9u] [Ctrl] X Cache_control -> private ( logged in user ) 07/11/18 20:01:28.696 [183.171.90.235:41358 1 d9u] [Router] LSCWP_CTRL: img_optm 07/11/18 20:01:28.696 [183.171.90.235:41358 1 d9u] [Router] LSCWP_CTRL verified: img_optm 07/11/18 20:01:28.629 [183.171.90.235:41358 1 Py3] ??POST HTTP/1.1 (HTTPS) /wp-admin/admin-ajax.php 07/11/18 20:01:28.629 [183.171.90.235:41358 1 Py3] Query String: 07/11/18 20:01:28.629 [183.171.90.235:41358 1 Py3] Cookie _lscache_vary: admin_bar:1 logged-in:1 role:99 role_exclude_cache:1 07/11/18 20:01:28.708 [183.171.90.235:41358 1 d9u] [Router] parsed type: sync_data 07/11/18 20:01:28.711 [183.171.90.235:41358 1 d9u] [IAPI] posting to : https://wp.api.litespeedtech.com/media_sync_data 07/11/18 20:01:29.014 [183.171.90.235:41358 1 Py3] [Ctrl] X Cache_control -> private ( logged in user ) 07/11/18 20:01:29.152 [183.171.90.235:41358 1 Py3] [Purge] added 07/11/18 20:01:29.170 [183.171.90.235:41358 1 d9u] [Ctrl] 301 from https://drakenprospero.com/wp-admin/admin.php 07/11/18 20:01:29.174 [183.171.90.235:41358 1 d9u] [Ctrl] 301 to https://drakenprospero.com/wp-admin/admin.php?page=lscache-optimization&type=sync_data 07/11/18 20:01:29.174 [183.171.90.235:41358 1 d9u] [Ctrl] X Cache_control -> no Cache ( 301 to same url ) 07/11/18 20:01:29.174 [183.171.90.235:41358 1 d9u] [Ctrl] not cacheable before ctrl finalize 07/11/18 20:01:29.175 [183.171.90.235:41358 1 d9u] [Router] get_uid: 2 07/11/18 20:01:29.175 [183.171.90.235:41358 1 d9u] [Router] get_role: administrator 07/11/18 20:01:29.175 [183.171.90.235:41358 1 d9u] X-LiteSpeed-Cache-Control: no-cache 07/11/18 20:01:29.175 [183.171.90.235:41358 1 d9u] [Optm] bypass: Not frontend HTML type 07/11/18 20:01:29.175 [183.171.90.235:41358 1 d9u] End response ??????????????????????????? 07/11/18 20:01:29.177 [183.171.90.235:41358 1 Py3] X-LiteSpeed-Purge: public,8861_ 07/11/18 20:01:29.178 [183.171.90.235:41358 1 Py3] Crawler: Initialized 07/11/18 20:01:29.791 [183.171.90.235:41358 1 Py3] Crawler: Reset pos. 07/11/18 20:01:29.801 [183.171.90.235:41358 1 Py3] [Ctrl] X Cache_control -> stale 07/11/18 20:01:31.932 [183.171.90.235:41358 1 Jl0] ??GET HTTP/1.1 (HTTPS) /wp-admin/admin.php 07/11/18 20:01:31.932 [183.171.90.235:41358 1 Jl0] Query String: page=lscache-optimization&type=sync_data 07/11/18 20:01:31.932 [183.171.90.235:41358 1 Jl0] Cookie _lscache_vary: admin_bar:1 logged-in:1 role:99 role_exclude_cache:1 07/11/18 20:01:32.244 [183.171.90.235:41358 1 Jl0] [Ctrl] X Cache_control -> private ( logged in user ) 07/11/18 20:01:32.445 [183.171.90.235:41358 1 Jl0] [Purge] added 07/11/18 20:01:32.445 [183.171.90.235:41358 1 Jl0] X-LiteSpeed-Purge: public,8861_ 07/11/18 20:01:32.446 [183.171.90.235:41358 1 Jl0] Crawler: Initialized 07/11/18 20:01:34.306 [183.171.90.235:41358 1 Py3] Crawler: Reset pos. 07/11/18 20:01:34.350 [183.171.90.235:41358 1 Py3] [Ctrl] X Cache_control -> no Cache ( Admin page ) 07/11/18 20:01:34.357 [183.171.90.235:41358 1 Py3] [Ctrl] not cacheable before ctrl finalize 07/11/18 20:01:34.357 [183.171.90.235:41358 1 Py3] [Router] get_uid: 2 07/11/18 20:01:34.357 [183.171.90.235:41358 1 Py3] [Router] get_role: administrator 07/11/18 20:01:34.358 [183.171.90.235:41358 1 Py3] X-LiteSpeed-Cache-Control: no-cache 07/11/18 20:01:34.358 [183.171.90.235:41358 1 Py3] X-LiteSpeed-Purge: public,stale,8861_ 07/11/18 20:01:34.358 [183.171.90.235:41358 1 Py3] [Optm] bypass: Not frontend HTML type 07/11/18 20:01:34.358 [183.171.90.235:41358 1 Py3] End response ??????????????????????????? 07/11/18 20:01:37.990 [183.171.90.235:41358 1 Jl0] Crawler: Reset pos. 07/11/18 20:01:37.993 [183.171.90.235:41358 1 Jl0] [Ctrl] X Cache_control -> stale 07/11/18 20:01:39.111 [183.171.90.235:41358 1 Jl0] Crawler: Reset pos. 07/11/18 20:01:39.267 [183.171.90.235:41358 1 Jl0] [Ctrl] X Cache_control -> no Cache ( Admin page ) 07/11/18 20:01:39.687 [183.171.90.235:41358 1 Jl0] [Ctrl] not cacheable before ctrl finalize 07/11/18 20:01:39.687 [183.171.90.235:41358 1 Jl0] [Router] get_uid: 2 07/11/18 20:01:39.687 [183.171.90.235:41358 1 Jl0] [Router] get_role: administrator 07/11/18 20:01:39.688 [183.171.90.235:41358 1 Jl0] X-LiteSpeed-Cache-Control: no-cache 07/11/18 20:01:39.688 [183.171.90.235:41358 1 Jl0] X-LiteSpeed-Purge: public,stale,8861_ 07/11/18 20:01:39.688 [183.171.90.235:41358 1 Jl0] [Optm] bypass: Not frontend HTML type 07/11/18 20:01:39.688 [183.171.90.235:41358 1 Jl0] End response ??????????????????????????? 07/11/18 20:01:40.683 [183.171.90.235:41358 1 2MZ] ??POST HTTP/1.1 (HTTPS) /wp-admin/admin-ajax.php 07/11/18 20:01:40.683 [183.171.90.235:41358 1 2MZ] Query String: 07/11/18 20:01:40.683 [183.171.90.235:41358 1 2MZ] Cookie _lscache_vary: admin_bar:1 logged-in:1 role:99 role_exclude_cache:1 07/11/18 20:01:51.938 [183.171.90.235:41358 1 2MZ] [Ctrl] X Cache_control -> private ( logged in user ) 07/11/18 20:01:52.370 [148.251.247.248:45784 1 GlT] ??POST HTTP/1.1 (HTTPS) /wp-cron.php 07/11/18 20:01:52.370 [148.251.247.248:45784 1 GlT] Query String: wph-throw-404 07/11/18 20:01:52.645 [148.251.247.248:45784 1 GlT] GUI init 07/11/18 20:01:52.646 [148.251.247.248:45784 1 GlT] [Ctrl] not cacheable before ctrl finalize 07/11/18 20:01:52.646 [148.251.247.248:45784 1 GlT] [Router] get_uid: 0 07/11/18 20:01:52.646 [148.251.247.248:45784 1 GlT] [Router] get_role: 07/11/18 20:01:52.646 [148.251.247.248:45784 1 GlT] [Router] role: guest 07/11/18 20:01:52.646 [148.251.247.248:45784 1 GlT] [Vary] role id: failed, guest 07/11/18 20:01:52.647 [148.251.247.248:45784 1 GlT] X-LiteSpeed-Cache-Control: no-cache 07/11/18 20:01:52.647 [148.251.247.248:45784 1 GlT] [Optm] bypass: Not frontend HTML type 07/11/18 20:01:52.647 [148.251.247.248:45784 1 GlT] End response ??????????????????????????? 07/11/18 20:01:53.025 [183.171.90.235:41358 1 2MZ] [Purge] added 07/11/18 20:01:53.025 [183.171.90.235:41358 1 2MZ] X-LiteSpeed-Purge: public,8861_ 07/11/18 20:01:53.026 [183.171.90.235:41358 1 2MZ] Crawler: Initialized 07/11/18 20:01:53.027 [183.171.90.235:41358 1 2MZ] Crawler: Reset pos. 07/11/18 20:01:53.028 [183.171.90.235:41358 1 2MZ] [Ctrl] X Cache_control -> stale 07/11/18 20:01:53.125 [183.171.90.235:41358 1 2MZ] Crawler: Reset pos. 07/11/18 20:01:53.158 [183.171.90.235:41358 1 2MZ] [Ctrl] X Cache_control -> no Cache ( Admin page ) 07/11/18 20:01:53.166 [183.171.90.235:41358 1 2MZ] [Ctrl] not cacheable before ctrl finalize 07/11/18 20:01:53.166 [183.171.90.235:41358 1 2MZ] [Router] get_uid: 2 07/11/18 20:01:53.166 [183.171.90.235:41358 1 2MZ] [Router] get_role: administrator 07/11/18 20:01:53.167 [183.171.90.235:41358 1 2MZ] X-LiteSpeed-Cache-Control: no-cache 07/11/18 20:01:53.167 [183.171.90.235:41358 1 2MZ] X-LiteSpeed-Purge: public,stale,8861_ 07/11/18 20:01:53.167 [183.171.90.235:41358 1 2MZ] [Optm] bypass: Not frontend HTML type 07/11/18 20:01:53.167 [183.171.90.235:41358 1 2MZ] End response ??????????????????????????? Hello again, Can you stop the firewall plugin and test again. The steps as below Stop Firewall Purge All Update Status Send Optimization Request Update Status Images failed to fetch: 1 Send Optimization Request Update Status Images failed to fetch: 1 Failed to push to LiteSpeed IAPI server: ?hash does not match: ClientCB[wrong passive callback] Server[IqLGAClpyl1LkFee]?
LiteCache Rush: Speed comes from using less, not from doing it faster
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