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--- litespeed_wiki:cache:lscwp:troubleshooting:image_optimize_error [2019/05/28 13:44]
qtwrk
+++ litespeed_wiki:cache:lscwp:troubleshooting:image_optimize_error [2019/07/02 13:44]
qtwrk
@@ Line 2: / Line 2: @@
 There are a number of different warning/error messages you may see after you've sent an image optimization request. This is your guide to those messages.
-===== Generic solution =====
+===== Generic Solution =====
-If your error message is not found below , please first try the generic way which it should fix most of issues you may encounter.
+If your error message is not found below, please first try this, which should fix most issues you may encounter:
-Please try clean up unfinished data, re-send optimization request again.
+  - Press the **Clean up Unfinished Data** button
+  - Re-send optimization request
 {{:litespeed_wiki:cache:lscwp:troubleshooting:img-opt1.png|}}
+Other things you may need to check:
+  - Security plugins may intervene the image optimization process, try disable it temporarily
+  - Plugins that controls page access, like maintenance mode , spam shield , additional authentications page , altering the HTTP/HTTPS schemes, hot-link protection rewrite rule ...etc , these features could also intervene the image optimization, if you have these , try disable them temporarily.
 ===== Too Many Errors =====
@@ Line 112: / Line 118: @@
 ==== Solution ====
-Press the ''Clean Up Unfinished Data'' button, and then press the refresh icon next to ''Optimization Summary''. You should now be able to send a new optimization request.
+Press the **Clean Up Unfinished Data** button, and then press the refresh icon next to **Optimization Summary**. You should now be able to send a new optimization request.
 {{:litespeed_wiki:cache:lscwp:troubleshooting:1.png|}}
-===== Error when handling your previous requests [Send request to reset fetch error count] =====
+===== Error when handling your previous requests =====
 ==== Error Details ====
-This error is similar as above one, having error while handling the request.
+This error is similar as above one, and displays ''Error when handling your previous requests [Send request to reset fetch error count]''
 ==== Solution ====
-Press the ''Clean Up Unfinished Data'' button, and then press the refresh icon next to ''Optimization Summary''. You should now be able to send a new optimization request.
+Press the **Send request to reset fetch error count** button in notification bar. Then, press the **Clean Up Unfinished Data'** button, and press the refresh icon next to **Optimization Summary**. You should now be able to send a new optimization request.
 {{:litespeed_wiki:cache:lscwp:troubleshooting:1.png|}}
 ===== Lot Of Images Pushed And Pulled Back Immediately  =====
@@ Line 143: / Line 148: @@
 Update or repair the WordPress database.
+===== cURL error 28: Operation timed out after 15001 milliseconds with 0 bytes received  =====
+==== Error Details ====
+Firewall blocked curl communication to our image optimization servers.
+==== Solution ====
+Add our image optimization server [[https://wp.api.litespeedtech.com/ips|IPs]] to firewall white-list.