Replit
database
Flyway Database Migration Failed on Replit
Your application fails to start because Flyway migration encounters an error. The database schema update is blocked, preventing the app from initializing.
Migration failures often indicate SQL syntax errors, constraint violations, or state mismatches between environments.
Error Messages You Might See
org.flywaydb.core.internal.command.DbValidate$ValidateResult: Validated error
Flyway version check failed
Migration execution failed
Common Causes
- SQL syntax error in migration file
- Migration file naming convention incorrect (must be V1__init.sql)
- Constraint violation when adding columns
- Previous failed migration not cleaned up in flyway_schema_history
- Missing permissions for migration operations
How to Fix It
Check migration file names follow V{number}__{description}.sql format. Review the SQL syntax in error logs. If a migration failed midway, repair or delete the failed entry in flyway_schema_history table and re-run. Use Replit's database console to verify changes.
Real developers can help you.
prajwalfullstack
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Matthew Jordan
I've been working at a large software company named Kainos for 2 years, and mainly specialise in Platform Engineering. I regularly enjoy working on software products outside of work, and I'm a huge fan of game development using Unity. I personally enjoy Python & C# in my spare time, but I also specialise in multiple different platform-related technologies from my day job.
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I'm a full-stack developer focused on building practical and scalable web applications. My main experience is with **React, TypeScript, and modern frontend architectures**, where I prioritize clean code, component reusability, and maintainable project structures.
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SW engineer with 6+ years of experience,
I worked with React/Node/Python
did projects with React+Capacitor.js for ios
Supabase expert
Jared Hasson
Full time lead founding dev at a cyber security saas startup, with 10 yoe and a bachelor's in CS. Building & debugging software products is what I've spent my time on for forever
BurnHavoc
Been around fixing other peoples code for 20 years.
Daniel Vázquez
Software Engineer with over 10 years of experience on Startups, Government, big tech industry & consulting.
hanson1014
Full-stack developer experienced in fixing and deploying AI-generated apps from Lovable, Bolt.new, Cursor, and Replit. I specialize in debugging Supabase integration issues (auth flows, RLS policies, database connections), fixing broken deployments, resolving routing/blank screen problems, and cleaning up messy React/Vite codebases. I also build production apps with the Claude API and have shipped a Mac desktop dev tool (Nexterm from scratch. Based in Hong Kong, fast turnaround.
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15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox).
Cursor ambassador and agentic tooling builder.
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You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
What's the correct migration file naming?
V{number}__{description}.sql - e.g., V1__create_users.sql. Numbers must increase sequentially
How do I fix a failed migration?
Access Replit's database console, check flyway_schema_history table, and manually fix or delete failed entries