Windsurf database

Cascade Created Conflicting Database Migrations

Database migrations generated by Cascade conflict with existing migrations, causing the migration engine to fail during startup. The application won't boot because Flyway/Liquibase can't determine the correct migration order.

Cascade may have generated new migrations without checking existing schema version files.

Error Messages You Might See

Migration validation failed Duplicate migration version Migration V2__*.sql conflicts with V2__*.sql Flyway: Unable to determine latest schema version
Migration validation failedDuplicate migration versionMigration V2__*.sql conflicts with V2__*.sqlFlyway: Unable to determine latest schema version

Common Causes

  1. Cascade generated V2__*.sql migration with same timestamp as existing migration
  2. Cascade created backward-incompatible schema changes without intermediate migrations
  3. Migration naming convention not followed (version ordering incorrect)
  4. Cascade added DROP TABLE statements that conflict with dependent tables

How to Fix It

Check migrations directory for duplicate version numbers. Review Cascade's generated migration for compatibility with existing schema. If conflicts, rename Cascade migration with higher version number. Test migration on copy of production database before deploying.

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Frequently Asked Questions

How do I view applied migrations?

Query flyway_schema_history table: SELECT * FROM flyway_schema_history ORDER BY installed_rank;

Can I fix migration conflicts?

Rename Cascade's migration to higher version (e.g., V4__* instead of V2__*) and reorder appropriately.

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