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Error while trying to connect to database: User db_user already has more than ‘max_user_connections’ active connections

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Benjamin Weßel
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Plesk for Linux kb: technical ABT: Group A

Applicable to:

  • Plesk for Linux

Symptoms

The following error appears, when trying to connect to MySQL database:

PLESK_INFO: User db_user already has more than ‘max_user_connections’ active connections

Cause

The value of max_user_connections in database configuration is exceeded, because user db_user is connected to the MySQL server simultaneously multiple times.

Resolution

Increase the value of max_user_connections parameter in accordance to the article How to increase value of max_user_connections for MySQL/MariaDB?

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