EC
3095
MySQLERRORNotableReplicationMEDIUM confidence

NDB replication schema error

Production Risk

High — NDB replication may not function correctly.

What this means

An error occurred in the NDB Cluster replication schema, typically related to the ndb_replication table or conflict detection configuration.

Why it happens
  1. 1The ndb_replication table is missing, corrupted, or has an incorrect structure.
  2. 2Invalid conflict function configuration in the ndb_replication table.
How to reproduce
trigger — this will error
trigger — this will error
-- Triggered automatically by NDB replication setup

expected output

ERROR 3095 (HY000): NDB Cluster Replication: schema error in ndb_replication table.

Fix

Recreate or repair the ndb_replication table

Recreate or repair the ndb_replication table
-- Follow NDB Cluster documentation to recreate ndb_replication

Why this works

Restores the required metadata table for NDB replication.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 3095 ER_NDB_REPLICATION_SCHEMA_ERROR2

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