# Migrating hibernate-core from version 5.6.10 to 6.1.7

**URL:** <https://discourse.hibernate.org/t/migrating-hibernate-core-from-version-5-6-10-to-6-1-7/10139>\
**Category:** Hibernate ORM\
**Created:** [August 14, 2024, 7:27am UTC](https://discourse.hibernate.org/t/migrating-hibernate-core-from-version-5-6-10-to-6-1-7/10139 "2024-08-14T07:27:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cris458](https://avatars.discourse-cdn.com/v4/letter/c/87869e/32.png) [@Cris458](https://discourse.hibernate.org/u/Cris458)\
**Post date:** [August 14, 2024, 7:27am UTC](https://discourse.hibernate.org/t/migrating-hibernate-core-from-version-5-6-10-to-6-1-7/10139/1 "2024-08-14T07:27:01Z")

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Hello,

I am currently migrating `hibernate-core` from version 5.6.10 to 6.1.7 and `hibernate-validator` to 8.0.0-Final. During this process, I am encountering missing table errors related to auto-increment IDs on my entities, even though the tables exist.

For some entities, I have resolved this issue by using `@GeneratedValue(strategy = GenerationType.IDENTITY)` on the ID. However, I am facing difficulties with entities that inherit from a superclass and cannot be modified.

Here is the error message I am receiving:  
Caused by: org.hibernate.tool.schema.spi.SchemaManagementException: Schema-validation: missing table [`user_rev_entity_seq`]  
at org.hibernate.tool.schema.internal.AbstractSchemaValidator.validateTable(AbstractSchemaValidator.java:133)  
at org.hibernate.tool.schema.internal.GroupedSchemaValidatorImpl.validateTables(GroupedSchemaValidatorImpl.java:46)  
at org.hibernate.tool.schema.internal.AbstractSchemaValidator.performValidation(AbstractSchemaValidator.java:96)  
at org.hibernate.tool.schema.internal.AbstractSchemaValidator.doValidation(AbstractSchemaValidator.java:74)  
at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:293)  
at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.lambda$process$5(SchemaManagementToolCoordinator.java:143)  
at java.base/java.util.HashMap.forEach(HashMap.java:1421)  
at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:140)  
at org.hibernate.internal.SessionFactoryImpl.(SessionFactoryImpl.java:336)  
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:415)  
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1423)  
at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:75)  
at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.[CostcoESS](https://www-costcoess.com) createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:376)  
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409)

How should I address this issue?

Thank you in advance for your assistance.

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<div class="post-metadata">

**Author:** ![beikov](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.hibernate.org/beikov/32/258_2.png) [@beikov](https://discourse.hibernate.org/u/beikov)\
**Post date:** [August 14, 2024, 10:07am UTC](https://discourse.hibernate.org/t/migrating-hibernate-core-from-version-5-6-10-to-6-1-7/10139/2 "2024-08-14T10:07:48Z")

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> [@Cris458](#):
>
> However, I am facing difficulties with entities that inherit from a superclass and cannot be modified.

If you are not in control of your base classes that define the identifier generator, then you’re out of luck. The only way to force the use of `auto_increment` is by specifying `@GeneratedValue(strategy = GenerationType.IDENTITY)`