Failed to ugrade a Spring Boot app to Flyway 7.0.0

user_4786956 0
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I'm trying to upgrade my Spring Boot 2.3.4 app to use Flyway 7.0.0 (the latest version). Previously it was using Flyway 6.5.6. The relevant entries in build.gradle are shown below.

buildscript {
  ext {
    flywayVersion = "7.0.0" // changed from 6.5.6
  }
}

plugins {
  id "org.flywaydb.flyway" version "${flywayVersion}"
}

dependencies {
  implementation "org.flywaydb:flyway-core:${flywayVersion}"
}

flyway {
  url = "jdbc:postgresql://0.0.0.0:5432/postgres"
  user = "postgres"
  password = "secret"
}

The following error occurs when I start the app e.g. with ./gradlew bootRun

APPLICATION FAILED TO START

Description:

An attempt was made to call a method that does not exist. The attempt was made from the following location:

org.springframework.boot.autoconfigure.flyway.FlywayMigrationInitializer.afterPropertiesSet(FlywayMigrationInitializer.java:65)

The following method did not exist:

'int org.flywaydb.core.Flyway.migrate()'

The method's class, org.flywaydb.core.Flyway, is available from the following locations:

jar:file:/Users/antonio/.gradle/caches/modules-2/files-2.1/org.flywaydb/flyway-core/7.0.0/623494c303c62080ca1bc5886098ee65d1a5528a/flyway-core-7.0.0.jar!/org/flywaydb/core/Flyway.class

The class hierarchy was loaded from the following locations:

org.flywaydb.core.Flyway: file:/Users/antonio/.gradle/caches/modules-2/files-2.1/org.flywaydb/flyway-core/7.0.0/623494c303c62080ca1bc5886098ee65d1a5528a/flyway-core-7.0.0.jar

Action:

Correct the classpath of your application so that it contains a single, compatible version of org.flywaydb.core.Flyway

flyway spring-boot java
3 Answers
user_17746430

In Flyway 7 the signature of migrate changed.

To get Flyway 7.x.x working with Spring Boot 2.3.x you can provide a custom FlywayMigrationStrategy implementation, which calls the the right migrate method.

import org.flywaydb.core.Flyway;
import org.springframework.boot.autoconfigure.flyway.FlywayMigrationStrategy;
import org.springframework.stereotype.Component;

@Component
public class FlywayMigrationStrategyImpl implements FlywayMigrationStrategy {
    @Override
    public void migrate(Flyway flyway) {
        flyway.migrate();
    }
}
user_94019430

downgrade to Flyway 6.5.7 works.

user_34700270
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