EC
3216
MySQLERRORCommonInnoDB / EncryptionHIGH confidence

Tablespace encryption error

Production Risk

High — encryption/decryption failure can block data access.

Why it happens
  1. 1Error during encryption/decryption of an InnoDB tablespace.
  2. 2Keyring plugin not loaded or encryption key not available.
  3. 3Mismatch between the tablespace encryption state and the keyring configuration.
How to reproduce
trigger — this will error
trigger — this will error
ALTER TABLE t1 ENCRYPTION='Y';

expected output

ERROR 3216 (HY000): Tablespace encryption error.

Fix 1

Ensure keyring plugin is loaded

Ensure keyring plugin is loaded
INSTALL PLUGIN keyring_file SONAME 'keyring_file.so';

Why this works

Encryption requires the keyring plugin to manage encryption keys.

Fix 2

Verify keyring configuration

Verify keyring configuration
SHOW PLUGINS;

Why this works

Confirm the keyring plugin is active and the key file is accessible.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 3216 ER_TABLESPACE_ENCRYPTION_ERRMSG

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