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Kotlin/Springboot/Mongodb – @DBRef bidirectional relationship causes infinite recursion exception
作者:
Takuro Huang
發佈日期:
2023 年 6 月 2 日
From my previous post here (
https://www.takurohuang.com/2023/06/02/kotlin-springboot-mongodb-dbreflazytrue-cannot-subclass-final-class-error/
), I faced those issues while using @DBRef for bidirectional relationship. The infinite recursion issue can happen even when
lazy = true
if you return the mongodb entity directly without converting it to DTO which needs to take out relationship before returning it back to client.
Beside converting it to DTO, there are also some other ways to get this issue fixed. Introduce to
@JsonManagedReference
,
@JsonBackReference
annotation from Jackson.
For more information, you can refer to this post. (
https://www.baeldung.com/jackson-bidirectional-relationships-and-infinite-recursion
)
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