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litespeed_wiki:php:503-errors [2019/02/27 16:29] Jackson Zhang [Plesk 503 error] |
litespeed_wiki:php:503-errors [2019/02/27 19:56] Lisa Clarke [Plesk 503 error] Copyediting |
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==== Plesk 503 error ==== | ==== 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 |}} | {{ :litespeed_wiki:php:plesk-503-disable-apcu.png?800 |}} | ||
===== Advanced Troubleshooting Guide ===== | ===== Advanced Troubleshooting Guide ===== |