Hack to force Flyway to initialize early

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration.java

@@ -20,7 +20,9 @@ import javax.annotation.PostConstruct;
 import javax.sql.DataSource;
 
 import org.flywaydb.core.Flyway;
+import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.config.BeanPostProcessor;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
@@ -31,6 +33,7 @@ import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.DependsOn;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
@@ -52,7 +55,7 @@ public class FlywayAutoConfiguration {
 	@Configuration
 	@ConditionalOnMissingBean(Flyway.class)
 	@EnableConfigurationProperties(FlywayProperties.class)
-	public static class LiquibaseConfiguration {
+	public static class FlywayConfiguration {
 
 		@Autowired
 		private FlywayProperties properties = new FlywayProperties();
@@ -93,6 +96,26 @@ public class FlywayAutoConfiguration {
 			return flyway;
 		}
 
+		@Bean
+		@DependsOn("flyway")
+		protected BeanPostProcessor forceFlywayToInitialize() {
+
+			return new BeanPostProcessor() {
+
+				@Override
+				public Object postProcessAfterInitialization(Object bean, String beanName)
+						throws BeansException {
+					return bean;
+				}
+
+				@Override
+				public Object postProcessBeforeInitialization(Object bean, String beanName)
+						throws BeansException {
+					return bean;
+				}
+
+			};
+		}
 	}
 
 }

spring-boot-samples/spring-boot-sample-flyway/src/main/resources/application.properties

@@ -1,2 +1,2 @@
 spring.jpa.generate-ddl: false
-spring.jpa.hibernate.ddl-auto: none
+spring.jpa.hibernate.ddl-auto: validate

spring-boot-samples/spring-boot-sample-flyway/src/main/resources/db/migrations/V1__init.sql

@@ -1,5 +1,5 @@
 CREATE TABLE PERSON (
-	id INTEGER GENERATED BY DEFAULT AS IDENTITY,
+	id BIGINT GENERATED BY DEFAULT AS IDENTITY,
 	first_name varchar(255) not null,
 	last_name varchar(255) not null
 );