JpaSystemException: A collection with cascade=”all-delete-orphan” was no longer referenced by the owning entity instance

June 2025
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Case:

Entity declaration:

    @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
    private List<Foo> foos = Lists.newArrayList();

This block

            user.getFoos().clear();
// instantiate `foos`, eg: final List<Foo> foos = myService.createFoos(bla, bla);
            user.setFoos(foos);

generates this error:

org.springframework.orm.jpa.JpaSystemException: A collection with cascade="all-delete-orphan" was no longer referenced by the owning entity instance: com.github.lalou.jonathan.blabla.User.foos

Fix:

Do not use setFoos() ; rather, after clearing, use addAll(). In other words, replace:

            user.getFoos().clear();
            user.setFoos(foos);

with

user.getFoos().clear(); user.getFoos().addAll(foos);

(copied to https://stackoverflow.com/questions/78858499/jpasystemexception-a-collection-with-cascade-all-delete-orphan-was-no-longer )

Posted in en-US | Tags: Hibernate, jpa-2.1, spring-data, spring-data-jpa

Jonathan Lalou's blog

JpaSystemException: A collection with cascade=”all-delete-orphan” was no longer referenced by the owning entity instance

Case:

Fix:

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