How to transfer the embedded identifier from a grandparent to a grandchild @OneToMany mapping using Hibernate

Hibernate ORM
13 
org.hsqldb.HsqlException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10136 table: PRODUCT_TAX column: ORDER_ID

That’s because productItemTax does not have the orderId property set. You need to make sure you set it.

The problem is that the ProductItem.order property has a null identifier. You didn’t set it properly from the incoming JSON.

Therefore, you need to make sure you can recreate the right associations from the JSON document.

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