EC
3227
MySQLERRORNotableLockingHIGH confidence

Invalid lock service name or identifier

Production Risk

Low — application-level locking error.

Why it happens
  1. 1Lock namespace or lock name passed to service_get_write_locks() or service_get_read_locks() is invalid.
  2. 2Name contains disallowed characters or exceeds the maximum length.
How to reproduce
trigger — this will error
trigger — this will error
SELECT service_get_write_locks('', 'lockname', 10);

expected output

ERROR 3227 (HY000): Incorrect locking service lock name.

Fix

Use valid namespace and lock names

Use valid namespace and lock names
SELECT service_get_write_locks('myapp', 'resource1', 10);

Why this works

Both namespace and lock name must be non-empty strings within length limits.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 3227 ER_LOCKING_SERVICE_WRONG_NAME

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