Error
Error Code:
1403
MySQL Error 1403: Missing Routine Grant
Description
This error indicates that a specific user attempting to execute a stored procedure or function lacks the necessary EXECUTE privilege for that routine, or the grant itself was never defined or has been revoked. It typically occurs when a user tries to call a routine for which they do not have explicit permissions on their connecting host.
Error Message
There is no such grant defined for user '%s' on host '%s' on routine '%s'
Known Causes
3 known causesGrant Not Defined
The necessary `GRANT EXECUTE` privilege for the specified routine has never been explicitly assigned to the user at their connecting host.
Routine Grant Revoked
The EXECUTE privilege for the routine was previously granted but has since been explicitly removed using a `REVOKE` statement or similar administrative action.
Mismatched User/Host
The user attempting to execute the routine is connecting from a host for which the grant is not defined, or they are not the specific user account that holds the privilege.
Solutions
4 solutions available1. Grant EXECUTE Privilege to User easy
Grant the necessary EXECUTE privilege to the user for the specific routine.
1
Connect to your MySQL server as a user with GRANT privileges (e.g., root).
2
Execute the GRANT statement to give the user EXECUTE permission on the routine. Replace 'username', 'hostname', and 'routine_name' with your actual values.
GRANT EXECUTE ON FUNCTION routine_name TO 'username'@'hostname';
GRANT EXECUTE ON PROCEDURE routine_name TO 'username'@'hostname';3
Flush privileges to ensure the changes take effect.
FLUSH PRIVILEGES;2. Grant Global EXECUTE Privilege medium
Grant EXECUTE privilege on all routines for the specified user and host.
1
Connect to your MySQL server as a user with GRANT privileges (e.g., root).
2
Execute the GRANT statement to give the user EXECUTE permission on all routines. Replace 'username' and 'hostname' with your actual values.
GRANT EXECUTE ON *.* TO 'username'@'hostname';3
Flush privileges to ensure the changes take effect.
FLUSH PRIVILEGES;3. Verify User and Hostname easy
Confirm that the username and hostname used in the grant statement exactly match the user attempting to access the routine.
1
Identify the exact username and hostname that the application or user is connecting with. This can often be found in application logs or connection strings.
2
List existing grants for the user to see how they are currently defined. Replace 'username' and 'hostname' with the identified values.
SHOW GRANTS FOR 'username'@'hostname';3
If the user or hostname is incorrect, you may need to revoke the incorrect grant and create a new one with the correct credentials, or modify the application's connection settings.
REVOKE ALL PRIVILEGES ON *.* FROM 'incorrect_username'@'incorrect_hostname';
FLUSH PRIVILEGES;4. Grant Privileges During User Creation medium
Ensure EXECUTE privileges are granted when the user is initially created.
1
When creating a new user, include the EXECUTE privilege in the CREATE USER statement.
CREATE USER 'new_user'@'localhost' IDENTIFIED BY 'password';
GRANT EXECUTE ON FUNCTION your_database.your_function TO 'new_user'@'localhost';
GRANT EXECUTE ON PROCEDURE your_database.your_procedure TO 'new_user'@'localhost';
FLUSH PRIVILEGES;2
Alternatively, grant global EXECUTE privileges if the user needs access to routines across all databases.
CREATE USER 'new_user'@'localhost' IDENTIFIED BY 'password';
GRANT EXECUTE ON *.* TO 'new_user'@'localhost';
FLUSH PRIVILEGES;