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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
Common Causes
- Cascade generated V2__*.sql migration with same timestamp as existing migration
- Cascade created backward-incompatible schema changes without intermediate migrations
- Migration naming convention not followed (version ordering incorrect)
- 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.
Real developers can help you.
Sage Fulcher
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Stanislav Prigodich
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Basel Issmail
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Matthew Butler
Systems Development Engineer @ Amazon Web Services
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Get HelpFrequently 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.