14 Database error handling

If Zabbix detects that the backend database is not accessible, it will send a notification message and continue the attempts to connect to the database. For some database engines, specific error codes are recognized.

MySQL

• CR_CONN_HOST_ERROR
• CR_SERVER_GONE_ERROR
• CR_CONNECTION_ERROR
• CR_SERVER_LOST
• CR_UNKNOWN_HOST
• ER_SERVER_SHUTDOWN
• ER_ACCESS_DENIED_ERROR
• ER_ILLEGAL_GRANT_FOR_TABLE
• ER_TABLEACCESS_DENIED_ERROR
• ER_UNKNOWN_ERROR