PHP Startup: Unable to load dynamic library 'redis.so'

SPDTeam

• February 15, 2021 05:18

Hi all I recently was trying out Redis and after the experiment I uninstalled it. Or so I thought. I've just noticed several errors being recorded at the Account (website) level, in the error_log file. PHP Warning: PHP Startup: Unable to load dynamic library 'redis.so' (tried: /opt/cpanel/ea-php74/root/usr/lib64/php/modules/redis.so (/opt/cpanel/ea-php74/root/usr/lib64/php/modules/redis.so: cannot open shared object file: No such file or directory), /opt/cpanel/ea-php74/root/usr/lib64/php/modules/redis.so.so (/opt/cpanel/ea-php74/root/usr/lib64/php/modules/redis.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
I've checked for references to Redis in the PHP.ini (WHM >> MultiPHP INI Editor) but cannot see anything specific to Redis. I've missed a step somewhere. Any suggestions?

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  cPRex Jurassic Moderator

  • February 18, 2021 13:44

  Hey there! Can you try running the following command to see if that shows you an entry for Redis directly in the configuration? grep -R redis /opt/cpanel/ea-php74/root/etc/php.ini
  If not, you may want to try a more general search of those areas with something like this: grep -Ri redis /opt/cpanel/ea-php*/root/etc/php.ini

  

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  SPDTeam

  • February 18, 2021 16:34

  Thanks, PRex I eventually found the culprit. It was in /opt/cpanel/ea-php74/root/etc/php.d/redis.ini
  line: extension=redis.so. For now, I've commented the line out. Hopefully, that will stop the errors. What would be the safe way to uninstall Redis and the EasyApache4 PHP extension? Assuming I don't just remove the redis.ini...

  Hey there! Can you try running the following command to see if that shows you an entry for Redis directly in the configuration? grep -R redis /opt/cpanel/ea-php74/root/etc/php.ini
  If not, you may want to try a more general search of those areas with something like this: grep -Ri redis /opt/cpanel/ea-php*/root/etc/php.ini

  

  
  

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  cPRex Jurassic Moderator

  • February 18, 2021 16:39

  I'm glad that command helped to track it down. Since Redis isn't something we support on our end, we don't have a recommended install or uninstall option. You may have seen this thread where this was discussed:

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  SPDTeam

  • February 19, 2021 10:40

  Thanks, will do.

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