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flywa报错Migration checksum mismatch for migration version 1.1 -＞ Applied to database : 1332862643 -＞

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导读：本篇文章讲解 flywa报错Migration checksum mismatch for migration version 1.1 -＞ Applied to database : 1332862643 -＞，希望对大家有帮助，欢迎收藏，转发！站点地址：www.bmabk.com

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详情错误日志

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.6.3)

2022-11-01 14:50:33.363  INFO 26596 --- [           main] com.flyway.FlaywayApplication            : Starting FlaywayApplication using Java 1.8.0_71 on HYT211145187-01 with PID 26596 (G:\WorkSpace\springboot-test\flyway-test\target\classes started by 211145187 in G:\WorkSpace\springboot-test)
2022-11-01 14:50:33.366  INFO 26596 --- [           main] com.flyway.FlaywayApplication            : No active profile set, falling back to default profiles: default
2022-11-01 14:50:34.336  INFO 26596 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8015 (http)
2022-11-01 14:50:34.372  INFO 26596 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2022-11-01 14:50:34.373  INFO 26596 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.56]
2022-11-01 14:50:34.460  INFO 26596 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2022-11-01 14:50:34.460  INFO 26596 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1052 ms
2022-11-01 14:50:34.839  INFO 26596 --- [           main] o.f.c.internal.license.VersionPrinter    : Flyway Community Edition 6.5.7 by Redgate
2022-11-01 14:50:34.844  INFO 26596 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariCP - Starting...
2022-11-01 14:50:45.205  INFO 26596 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariCP - Start completed.
2022-11-01 14:50:45.225  INFO 26596 --- [           main] o.f.c.internal.database.DatabaseFactory  : Database: jdbc:mysql://10.110.13.86:3306/flyway (MySQL 5.7)
2022-11-01 14:50:45.297  WARN 26596 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flywayInitializer' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration$FlywayConfiguration.class]: Invocation of init method failed; nested exception is java.lang.reflect.InvocationTargetException
2022-11-01 14:50:45.297  INFO 26596 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariCP - Shutdown initiated...
2022-11-01 14:50:45.301  INFO 26596 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariCP - Shutdown completed.
2022-11-01 14:50:45.305  INFO 26596 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2022-11-01 14:50:45.314  INFO 26596 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-11-01 14:50:45.343 ERROR 26596 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flywayInitializer' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration$FlywayConfiguration.class]: Invocation of init method failed; nested exception is java.lang.reflect.InvocationTargetException
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.15.jar:5.3.15]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.15.jar:5.3.15]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.3.jar:2.6.3]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732) [spring-boot-2.6.3.jar:2.6.3]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:414) [spring-boot-2.6.3.jar:2.6.3]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) [spring-boot-2.6.3.jar:2.6.3]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) [spring-boot-2.6.3.jar:2.6.3]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) [spring-boot-2.6.3.jar:2.6.3]
	at com.flyway.FlaywayApplication.main(FlaywayApplication.java:14) [classes/:na]
Caused by: java.lang.reflect.InvocationTargetException: null
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_71]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_71]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_71]
	at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_71]
	at org.springframework.boot.autoconfigure.flyway.FlywayMigrationInitializer.afterPropertiesSet(FlywayMigrationInitializer.java:70) ~[spring-boot-autoconfigure-2.6.3.jar:2.6.3]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.15.jar:5.3.15]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.15.jar:5.3.15]
	... 18 common frames omitted
Caused by: org.flywaydb.core.api.FlywayException: Validate failed: 
Migration checksum mismatch for migration version 1.1
-> Applied to database : 1332862643
-> Resolved locally    : -826751737

	at org.flywaydb.core.Flyway.doValidate(Flyway.java:292) ~[flyway-core-6.5.7.jar:na]
	at org.flywaydb.core.Flyway.access$100(Flyway.java:73) ~[flyway-core-6.5.7.jar:na]
	at org.flywaydb.core.Flyway$1.execute(Flyway.java:166) ~[flyway-core-6.5.7.jar:na]
	at org.flywaydb.core.Flyway$1.execute(Flyway.java:158) ~[flyway-core-6.5.7.jar:na]
	at org.flywaydb.core.Flyway.execute(Flyway.java:527) ~[flyway-core-6.5.7.jar:na]
	at org.flywaydb.core.Flyway.migrate(Flyway.java:158) ~[flyway-core-6.5.7.jar:na]
	... 25 common frames omitted


Process finished with exit code 1

报错原因：修改了已经执行过的迁移文件，比如V开头的叫V1.1__add_flyway_test_table.sql这个名字的文件，重新执行这个更改的迁移文件时就会产生新的校验和“checkSum”与原来校验和不符合，导致报该错误，原则上不可以直接修改已经执行的迁移文件，要修改需要新建迁移文件进行修改。

举例说明：比如最开始我有个文件V1.1__add_flyway_test_table.sql，里面有个insert插入一条数据的sql，然后我启动整个项目，执行sql插入一条数据，且V开头的文件按常理已经执行过一次了，后面压根不会再次执行，但我手欠儿，再次对V开头的文件V1.1__add_flyway_test_table.sql进行修改或者新增几条sql，然后再次启动项目就会报错误5的错误了。

解决方案：

  • 1）方案1（不推荐）：涉及的2张表flyway_schema_history和flyway_test_table都删除，这会造成已有的数据丢失、混乱。
  • 2）方案2（推荐）：可以使用Flyway Maven 插件，双击运行：flyway:repair ，修复该错误，再重新执行：flyway:migrate。这样项目就能再次启动。
  • 3）方案3（不推荐）：删除2张表flyway_schema_history和flyway_test_table，然后重新启动项目把所有sql脚本从头到尾执行一遍。缺点：万一数据量太大太耗时，甚至可能出错。

碰到个问题：原来的V1.1__add_flyway_test_table.sql里面有个内容，然后我对它修改后，执行flyway:repair，在执行flyway:migrate后，再次启动项目发现V1.1__add_flyway_test_table.sql新增的内容没有执行？数据库没有产生新数据？

答案：应该是不会执行的，除非新增个V开头的迁移文件才会执行，即：对已经执行过的V开头的迁移文件修改后也不会执行，需要新建迁移文件进行修改才会生效。

详情请看我的博客：↓

springboot使用flyway，使用介绍、个人总结及报错场景如何修改

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