In a Spring Boot application, for a particular use case (data export & import), we would like to preserve the identifiers for objects that are otherwise assigned automatically by @GeneratedValue(strategy = GenerationType.IDENTITY). To achieve that, we were able to just set the ID manually, and Hiber…

You cannot manually set generated identifier values using the default identifiers. Thanks to a recent improvement Jira , you can however define a custom generator implementation that overrides the allowAssignedIdentifiers(), returning true, to allow for a custom implementation to sporadically use pre…

Manually setting the identifier results in object optimistic locking failure exception

Hibernate ORM

Jimmy January 2, 2025, 9:07am 9

Have you found a solution?

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OptimisticLockException when manually setting the ID for the entity Hibernate ORM	14	2621	July 16, 2025
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Migrating from @GenericGenerator to @IdGeneratorType Hibernate ORM	3	2230	February 19, 2025
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Manually setting the identifier results in object optimistic locking failure exception

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