MySQL Error 1625: Bad NDB Replication Schema

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Description

MySQL Error 1625 indicates a problem with the schema of the `mysql.ndb_replication` table, which is crucial for MySQL NDB Cluster replication operations. This error occurs when the table's structure is found to be incorrect, corrupted, or incompatible with the running NDB Cluster software.

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Error Message

Bad schema for mysql.ndb_replication table. Message: %s

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Known Causes

4 known causes

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Corrupted `ndb_replication` Table

The `mysql.ndb_replication` table, critical for NDB Cluster replication, has an invalid or damaged structure.

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Improper Schema Alteration

The `ndb_replication` table's schema was manually or incorrectly modified, making it incompatible with NDB Cluster.

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Failed NDB Cluster Upgrade

An NDB Cluster upgrade was incomplete or failed, leaving the `ndb_replication` table in an inconsistent state.

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NDB Version Incompatibility

A mismatch between NDB Cluster software versions and the `ndb_replication` table schema is causing the error.

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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

Check the error message carefully for specific details
Review recent changes that might have caused the error
Search for the exact error code in the official documentation
Check log files for additional context
Try restarting the application or service

Find Help

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Related Errors

5 related errors