Caused by org flywaydb core api FlywayException Validate failed Migration Checksum mismatch for migration 2

Question

I tried to find the solution for the below problem  but none of them worked for me  I am developing Angular   Spring Boot application using MySQL   flyway  Please guide whats going wrong here   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 org flywaydb core api FlywayException  Validate failed  Migration Checksum mismatch for migration 2 - gt  Applied to database   1499248173 - gt  Resolved locally      -1729781252     at org springframework beans factory support AbstractAutowireCapableBeanFactory initializeBean AbstractAutowireCapableBeanFactory java 1578    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractAutowireCapableBeanFactory doCreateBean AbstractAutowireCapableBeanFactory java 545    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractAutowireCapableBeanFactory createBean AbstractAutowireCapableBeanFactory java 482    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractBeanFactory 1 getObject AbstractBeanFactory java 306    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support DefaultSingletonBeanRegistry getSingleton DefaultSingletonBeanRegistry java 230    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractBeanFactory doGetBean AbstractBeanFactory java 302    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractBeanFactory getBean AbstractBeanFactory java 197    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractBeanFactory doGetBean AbstractBeanFactory java 296    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractBeanFactory getBean AbstractBeanFactory java 197    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework context support AbstractApplicationContext getBean AbstractApplicationContext java 1054    spring-context-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework context support AbstractApplicationContext finishBeanFactoryInitialization AbstractApplicationContext java 829    spring-context-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework context support AbstractApplicationContext refresh AbstractApplicationContext java 538    spring-context-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework boot context embedded EmbeddedWebApplicationContext refresh EmbeddedWebApplicationContext java 118    spring-boot-1 3 1 RELEASE jar 1 3 1 RELEASE      at org springframework boot SpringApplication refresh SpringApplication java 764   spring-boot-1 3 1 RELEASE jar 1 3 1 RELEASE      at org springframework boot SpringApplication doRun SpringApplication java 357   spring-boot-1 3 1 RELEASE jar 1 3 1 RELEASE      at org springframework boot SpringApplication run SpringApplication java 305   spring-boot-1 3 1 RELEASE jar 1 3 1 RELEASE      at org springframework boot SpringApplication run SpringApplication java 1124   spring-boot-1 3 1 RELEASE jar 1 3 1 RELEASE      at org springframework boot SpringApplication run SpringApplication java 1113   spring-boot-1 3 1 RELEASE jar 1 3 1 RELEASE      at com boot App main App java 9   classes  na  Caused by  org flywaydb core api FlywayException  Validate failed  Migration Checksum mismatch for migration 2 - gt  Applied to database   1499248173 - gt  Resolved locally      -1729781252     at org flywaydb core Flyway doValidate Flyway java 1108    flyway-core-3 2 1 jar na      at org flywaydb core Flyway access 300 Flyway java 62    flyway-core-3 2 1 jar na      at org flywaydb core Flyway 1 execute Flyway java 1012    flyway-core-3 2 1 jar na      at org flywaydb core Flyway 1 execute Flyway java 1006    flyway-core-3 2 1 jar na      at org flywaydb core Flyway execute Flyway java 1418    flyway-core-3 2 1 jar na      at org flywaydb core Flyway migrate Flyway java 1006    flyway-core-3 2 1 jar na      at org springframework boot autoconfigure flyway FlywayMigrationInitializer afterPropertiesSet FlywayMigrationInitializer java 66    spring-boot-autoconfigure-1 3 1 RELEASE jar 1 3 1 RELEASE      at org springframework beans factory support AbstractAutowireCapableBeanFactory invokeInitMethods AbstractAutowireCapableBeanFactory java 1637    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE      at org springframework beans factory support AbstractAutowireCapableBeanFactory initializeBean AbstractAutowireCapableBeanFactory java 1574    spring-beans-4 2 4 RELEASE jar 4 2 4 RELEASE          18 common frames omitted   application properties  logging level org springframework web DEBUG  server port 8080  spring h2 console enabled true spring h2 console path  h2     For H2 DB  spring datasource url jdbc h2 file   dasboot  spring datasource username sa  spring datasource password   spring datasource driver-class-name org h2 Driver     For MYSQL DB spring datasource url jdbc mysql   localhost 3306 dasboot spring datasource username root spring datasource password root spring datasource driver-class-name com mysql jdbc Driver  spring datasource max-active 10 spring datasource max-idle 8 spring datasource max-wait 10000 spring datasource min-evictable-idle-time-millis 1000 spring datasource min-idle 8 spring datasource time-between-eviction-runs-millis 1  flyway baseline-on-migrate true spring jpa hibernate ddl-auto false    datasource flyway url jdbc h2 file   dasboot  datasource flyway username sa  datasource flyway password   datasource flyway driver-class-name org h2 Driver   datasource flyway url jdbc mysql   localhost 3306 dasboot datasource flyway username root datasource flyway password root datasource flyway driver-class-name com mysql jdbc Driver   pom xml   lt parent gt           lt groupId gt org springframework boot lt  groupId gt           lt artifactId gt spring-boot-starter-parent lt  artifactId gt           lt version gt 1 3 1 RELEASE lt  version gt       lt  parent gt        lt name gt das-boot lt  name gt       lt url gt http   maven apache org lt  url gt        lt properties gt           lt project build sourceEncoding gt UTF-8 lt  project build sourceEncoding gt       lt  properties gt        lt dependencies gt           lt dependency gt               lt groupId gt org springframework boot lt  groupId gt               lt artifactId gt spring-boot-starter-web lt  artifactId gt           lt  dependency gt           lt dependency gt               lt groupId gt org springframework boot lt  groupId gt               lt artifactId gt spring-boot-starter-data-jpa lt  artifactId gt           lt  dependency gt           lt dependency gt               lt groupId gt com h2database lt  groupId gt               lt artifactId gt h2 lt  artifactId gt           lt  dependency gt           lt dependency gt               lt groupId gt org flywaydb lt  groupId gt               lt artifactId gt flyway-core lt  artifactId gt           lt  dependency gt            lt dependency gt               lt groupId gt org springframework boot lt  groupId gt               lt artifactId gt spring-boot-starter-test lt  artifactId gt               lt scope gt test lt  scope gt           lt  dependency gt           lt dependency gt               lt groupId gt mysql lt  groupId gt               lt artifactId gt mysql-connector-java lt  artifactId gt           lt  dependency gt       lt  dependencies gt    V2  create shipwreck sql  -- For H2 DB --CREATE TABLE SHIPWRECK  --  ID INT AUTO INCREMENT  --  NAME VARCHAR 255   --  DESCRIPTION VARCHAR 2000   --  CONDITION VARCHAR 255   --  DEPTH INT  --  LATITUDE DOUBLE  --  LONGITUDE DOUBLE  --  YEAR DISCOVERED INT --    CREATE TABLE  dasboot   shipwreck       ID  INT NOT NULL AUTO INCREMENT     NAME  VARCHAR 255  NULL     DESCRIPTION  VARCHAR 2000  NULL     CONDITION  VARCHAR 255  NULL     DEPTH  INT NULL     LATITUDE  DOUBLE NULL     LONGITUDE  DOUBLE NULL     YEAR DISCOVERED  INT NULL    PRIMARY KEY   ID

User · Answer

simple solution will be change spring datasource url jdbc h2 file   dasboot in application properties to new file name like   spring datasource url jdbc h2 file   dasboots

User · Answer

Actually there is another solution  but it s a workaround  that should not be done in a properly managed project  However I met a situation  where it was not possible to go down the better road     You can update the schame version table  and actually change the checksum to the new one  This will cause the migration to go through  but can have other side effects    When deploying to different environments  test  uat  prod  etc  then it might happen  that you have to update the same checksum on more environments  And when it comes to gitflow  and release branches  you can easily mix up the whole

User · Answer

Here the solution which worked for me when I had this issue in my local system    Go to flyway schema history in your DB  Delete the row containing the sql migration script

User · Answer

just don t validate   flyway setValidateOnMigrate false

User · Answer

What I did when faced this issue  was connect to DB and update the checksum field correspondent to the mistaken version  putting there the value resolved locally by FlyWay   For the following error   nested exception is org flywaydb core api FlywayException  Validate failed  Migration Checksum mismatch for migration 1 12     - gt  Applied to database   1029320280     - gt  Resolved locally      -236187247   I simply did this   UPDATE schema version SET checksum   -236187247 WHERE version rank   12 AND checksum   1029320280    And problem solved    NOTE  You have to be sure your schema is actually correct  check your tables and their structure  if everything is OK  then you can apply this solution  otherwise  you should repair your schema manually first using plain and native SQL

User · Answer

Flyway changed the way it calculates the checksums from version 3 to version 5  You can re-calculate the checksums  Since the Flyway plugin doesn t properly read the Spring datasource properties  you have to manually specify them on the command line  or one of the other various ways Flyway accepts     mvn flyway repair -Dflyway user root -Dflyway password  -Dflyway url jdbc mysql   localhost 3306 mydatabase -Dflyway table schema version   Flyway also changed the table it stores the checksums  so you also have to specify flyway-table schema version to use your old table  or else it will give you a warning  and probably an error in version 6     INFO  Repairing Schema History table for version 2  Description  create sources  Type  SQL  Checksum  2125962141        INFO  Repairing Schema History table for version 3  Description  create stats  Type  SQL  Checksum  389912194        INFO  Repairing Schema History table for version 4  Description  add user encrypted  Type  SQL  Checksum  182607572

User · Answer

Flyway is comparing the checksum of the SQL script with that of the previously run checksum   This exception typically occurs if you change a SQL script that has already been applied by Flyway  thus causing a checksum mismatch   If this is development  you can drop your database and start the migrations from scratch   If you re in production  never edit SQL scripts that have already been applied   Only create new SQL scripts going forward

User · Answer

Update your schema version record to mach the  Resolved locally  value which in your case is -1729781252

User · Answer

I had the same issue and deleted the complete schema from the database  yet the issue remained   I solved this by running the repair   command of flyway   flyway repair      Alternatively with Flyway Maven plugin   mvn flyway repair   Maven plugin addition into pom xml    lt plugin gt       lt groupId gt org flywaydb lt  groupId gt       lt artifactId gt flyway-maven-plugin lt  artifactId gt       lt version gt 5 2 4 lt  version gt   lt  plugin gt    BTW  I did not find what exactly went wrong   With Gradle  as per comment from Raf      gradlew flywayRepair

User · Answer

I had the same issue and tried all the options  delete schema  delete specific row  update checksum  but nothing works     In my case flyway-core dependency got corrupted somehow   Solution    Delete flyway-core folder from   m2 local repository path    org flywaydb flyway-core   Execute  maven clean install  so that it will download new one and add it into a project    I hope this will help

User · Answer

If you have your problem in production  you must have V2  create shipwreck sql identically to the one you have in your latest version where it has not been modified   Then the checksum will be correct again

User · Answer

Just add  spring flyway enabled false   in application properties file if you do not want flyway to check the checksum every time you run the application

User · Answer

The best solution would be to do these steps     Delete the file called - V2  create shipwreck sql  clean and build the project again   Run the project again  login into h2 and delete the table called  schema version       drop table schema version   Now make V2  create shipwreck sql file with ddl and rerun the project again  Do remember this  add version 4 1 2 for flyway-core in pom xml like    lt dependency gt       lt groupId gt org flywaydb lt  groupId gt       lt artifactId gt flyway-core lt  artifactId gt       lt version gt 4 1 2 lt  version gt   lt  dependency gt     It should work now  Hope this will help

User · Answer

use this query in your local DB    select   from schema version delete from schema version where checksum Column    -1729781252   Note  -1729781252 is the  Resolved locally  value  Build and start the server

User · Answer

If you are sure that the modification in the SQL file has no impact on your existing schema  you can also update the checksum of the existing schema   I did this following a slight change in the sql file   Here is how I updated the checksum   update flyway schema history set checksum    -1934991199  where installed rank    1

User · Answer

1-Delete the migration file  2-connect to your database and drop the table created by the migration  3-recreate the file of the migration with the the right sql

User · Answer

I had the same issue and I believe this occurred because of checksum between linux and windows  also mac   you can use repair   command in flyway   flyway repair      Be careful   if you are in production environment   make sure that you did not change the migration SQL file  because when you run the flyway repair    it means you saying to flyway that your are sure about the migration version and their checksum and then the flyway repair them

User · Answer

I would simply delete from schema version the migration s that deviates from migrations to be applied  This way you don t throw away any test data that you might have   For example   SELECT   from schema version order by installed on desc  V 005 five sql V 004 four sql V 003 three sql V 002 two sql V 001 one sql   Migrations to be applied  V 005 five sql   V 004 addUserTable sql   V 003 three sql V 002 two sql V 001 one sql   Solution here is to delete from schema version  V 005 five sql V 004 four sql   AND revert any database changes caused  for example if schema created new table then you must drop that table before you run you migrations   when you run flyway it will only re apply  V 005 five sql   V 004 addUserTable sql     new schema version will be  V 005 five sql   V 004 addUserTable sql   V 003 three sql V 002 two sql V 001 one sql   Hope it helps

User · Answer

There are 3 ways to solve this issue while development  Any one from below can solve this issue  1  provide the changes in new migration sql file with incrementing version  2  change the schema name in db url we provide     datasource flyway url jdbc h2 file   cart3      datasource flyway url jdbc h2 file   cart4   3  delete the  mv and  trace files in users home directory        ex  cart3 mv  and cart3 trace   under c   users username

User · Answer

IF YOU ARE NOT IN PRODUCTION  you can look in your flywayTable in the data base and remove the line which contain the name of the script which has been applied   flywayTable is a project option which define the name of the table in the db used by flyway which contain information about the version of this db  already applied scripts

[java] Caused by: org.flywaydb.core.api.FlywayException: Validate failed. Migration Checksum mismatch for migration 2

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