Differences

This shows you the differences between two versions of the page.

--- litespeed_wiki:php:503-errors [2019/02/27 16:29]
Jackson Zhang [Plesk 503 error]
+++ litespeed_wiki:php:503-errors [2019/03/20 19:24]
Lisa Clarke [CPanel webdisk 503 errors] Proofreading
@@ Line 378: / Line 378: @@
 ==== Plesk 503 error ====
-Some version of Plesk PHP, such as php71 and PHP56's buggy apcu module may cause 503 error on LSWS. Generally, only one object cache or value cache should be enabled, instead of two or more. It may cause conflicts between modules.  Disabling apcu module should fix the problem.
+Some versions of Plesk PHP, such as php71 and php56, have a buggy APCu module that may cause a 503 error on LSWS. Generally, only one object cache or value cache should be enabled. Enabling two or more may cause conflicts between modules.  Disabling the APCu module should fix the problem.
-Plesk Admin -> Tools and configuration -> PHP configuration -> 7.1.x FastCGI application -> Unselect "apcu" and " To ACCEPT"
+Navigate to **Plesk Admin > Tools and configuration > PHP configuration > 7.1.x FastCGI application**. Unselect ''apcu'' and press the **TO ACCEPT** button.
 {{ :litespeed_wiki:php:plesk-503-disable-apcu.png?800 |}}
+==== CPanel WebDisk 503 Errors ====
+You might see some errors like the following:
+-03-12 12:14:00.324041 [INFO] [51.68.79.11:54920:proxy] connection to [127.0.0.1:2077] on request #1, confirmed, 0, associated process: 0, running: 0, error: Connection refused!
+-03-12 12:14:00.324165 [INFO] [51.68.79.11:54920:proxy] connection to [127.0.0.1:2077] on request #1, confirmed, 0, associated process: 0, running: 0, error: Connection refused!
+-03-12 12:14:00.324194 [NOTICE] [51.68.79.11:54920:proxy] Max retries has been reached, 503!
+-03-12 12:14:00.324206 [INFO] [http://127.0.0.1:2077] request force stop: too many 503 errors
+Check ''/etc/apache2/conf/httpd.conf'':
+   ProxyPass "/___proxy_subdomain_webdisk" "http://127.0.0.1:2077" max=1 retry=0
+The errors are coming from cPanel WebDisk service. If this service generates too many 503 errors, you might consider disabling it. To disable cPanel WebDisk, you can log into WHM and disable **cPanel DAV Daemon** in the **Service Manager**.
 ===== Advanced Troubleshooting Guide =====