3393
MariaDBERRORNotableAccess ControlHIGH confidence
Dynamic privilege already exists
Production Risk
Low — component installation fails; no privilege is duplicated.
How to reproduce
trigger — this will error
trigger — this will error
-- Triggered during plugin/component installation that duplicates a privilege name.
expected output
ERROR 3393 (HY000): Dynamic privilege already exists.
Fix
Check for conflicting components
Check for conflicting components
SELECT * FROM mysql.component; SELECT privilege_name FROM performance_schema.global_privileges;
Why this works
Lists all installed components and registered privileges to identify the conflict.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3393 ER_DYNAMIC_PRIVILEGE_EXISTS
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