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litespeed_wiki:php:503-errors [2019/03/19 20:30] Jackson Zhang [Plesk 503 error] |
litespeed_wiki:php:503-errors [2019/08/01 19:08] Jackson Zhang ["zend_extension" Instead of "extension" and Vice Versa] |
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- Comment out the ''extension_dir'' line to let PHP pick a default. | - Comment out the ''extension_dir'' line to let PHP pick a default. | ||
+ | ==== ''Too many open files'' error may cause 503 error ==== | ||
+ | If you found there are a lot of ''Too many open files!'' errors, which cause 503 errors. | ||
+ | |||
+ | <code> | ||
+ | grep "Too many open files" error_log | ||
+ | |||
+ | 2019-08-01 21:58:03.511076 [INFO] [319934] [157.33.150.151:49873-1#APVH_pcrm.lidopiegade.lv:lsapi] connection to [uds://tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock] on request #0, confirmed, 0, associated process: 0, running: 0, error: Too many open files! | ||
+ | 2019-08-01 21:58:03.511078 [INFO] [319934] [uds://tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock] Connection error: Too many open files, adjust maximum connections to 4! | ||
+ | 2019-08-01 21:58:03.511085 [NOTICE] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock.pid]: Too many open files | ||
+ | 2019-08-01 21:58:03.511087 [ERROR] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock]: Too many open files | ||
+ | 2019-08-01 21:58:03.809177 [ERROR] [319934] [HTAccess] Failed to open [/home/zazzybab/public_html/girls/shannon-stewart/.htaccess]: Too many open files | ||
+ | 2019-08-01 21:58:03.810914 [ERROR] [319934] [46.51.216.186:63901] /home/zazzybab/public_html/girls/shannon-stewart/shannon-stewart-playboy-33645.jpg: open() failed, 24:Too many open files | ||
+ | 2019-08-01 21:58:05.072915 [NOTICE] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock.pid]: Too many open files | ||
+ | 2019-08-01 21:58:05.072918 [ERROR] [319934] [APVH_lidopiegade_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_lidopiegade_Suea-php56.sock]: Too many open files | ||
+ | 2019-08-01 21:58:05.072932 [NOTICE] [319934] [APVH_birkenfelds_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_birkenfelds_Suea-php56.sock.pid]: Too many open files | ||
+ | 2019-08-01 21:58:05.072934 [ERROR] [319934] [APVH_birkenfelds_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_birkenfelds_Suea-php56.sock]: Too many open files | ||
+ | 2019-08-01 21:58:05.072949 [NOTICE] [319934] [APVH_vairaksaules_Sulsphp56:]: Failed to open pid file [/tmp/lshttpd/APVH_vairaksaules_Suea-php56.sock.pid]: Too many open files | ||
+ | 2019-08-01 21:58:05.072951 [ERROR] [319934] [APVH_vairaksaules_Sulsphp56:]: Failed to lock pid file for [/tmp/lshttpd/APVH_vairaksaules_Suea-php56.sock]: Too many open files | ||
+ | |||
+ | </code> | ||
+ | |||
+ | You may want to check the current ulimit: | ||
+ | ulimit -n | ||
+ | 32768 | ||
+ | you may consider to increase to a much higher value like: | ||
+ | ulimit -n 3276800 | ||
+ | | ||
+ | Check [[litespeed_wiki:config:increasing-os-file-descriptor-limit|this wiki]] for details. | ||
==== Magento 503 error ==== | ==== Magento 503 error ==== | ||
After (re)installation of LiteMage Cache extension in Magento Connect manager or enable other modules in Magento 2, Magento site may be placed in maintenancence mode and couldn't be accessed and may give 503 errors. Please refer [[litespeed_wiki:cache:litemage:troubleshooting:connect-cache-session-cleaning-error|this]] for details. | After (re)installation of LiteMage Cache extension in Magento Connect manager or enable other modules in Magento 2, Magento site may be placed in maintenancence mode and couldn't be accessed and may give 503 errors. Please refer [[litespeed_wiki:cache:litemage:troubleshooting:connect-cache-session-cleaning-error|this]] for details. | ||
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{{ :litespeed_wiki:php:plesk-503-disable-apcu.png?800 |}} | {{ :litespeed_wiki:php:plesk-503-disable-apcu.png?800 |}} | ||
- | ==== CPanel webdisk 503 errors ==== | + | ==== CPanel WebDisk 503 Errors ==== |
You might see some errors like the following: | You might see some errors like the following: | ||
2019-03-12 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! | 2019-03-12 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! | ||
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2019-03-12 12:14:00.324206 [INFO] [http://127.0.0.1:2077] request force stop: too many 503 errors | 2019-03-12 12:14:00.324206 [INFO] [http://127.0.0.1:2077] request force stop: too many 503 errors | ||
- | when checking /etc/apache2/conf/httpd.conf | + | Check ''/etc/apache2/conf/httpd.conf'': |
ProxyPass "/___proxy_subdomain_webdisk" "http://127.0.0.1:2077" max=1 retry=0 | ProxyPass "/___proxy_subdomain_webdisk" "http://127.0.0.1:2077" max=1 retry=0 | ||
- | It is cpanel webdisk service. If this webdisk service generated too many 503 errors, you might consider to disable it. To disable cpanel WebDisk, you can login WHM and disable ''cPanel DAV Daemon'' in Service Manager. | + | 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 ===== | ===== Advanced Troubleshooting Guide ===== | ||