Fix: MySQL Deadlock Found
Read `SHOW ENGINE INNODB STATUS` for last deadlock
MySQL deadlocks happen when two transactions lock rows in opposite order. The fix is consistent lock ordering + a retry loop — not disabling row locks.
Frequently Asked Questions
What causes MySQL Deadlock Found?
MySQL deadlocks happen when two transactions lock rows in opposite order. The fix is consistent lock ordering + a retry loop — not disabling row locks.
How to fix MySQL Deadlock Found?
Inspect `SHOW ENGINE INNODB STATUS` for the last deadlock. Ensure all code paths lock rows in the same order, and wrap the transaction in a retry with backoff.
Example fix from Kintify Fix
Input: ERROR 1213: Deadlock found when trying to get lock
Output: Inspect `SHOW ENGINE INNODB STATUS` for the last deadlock. Ensure all code paths lock rows in the same order, and wrap the transaction in a retry with backoff.
Used by developers debugging real production systems