Jsonb Property Names Must Be Unique

[aditrada]

Description:

If a duplicate property name is found, then exception must be thrown.

The definition of duplicate means that the names, after processing any escaped characters, are identical sequences of Unicode characters.

The following will lead to an error:

@JsonbProperty("name")
private String firstName;

@JsonbProperty("name")
private String lastName;

Specification:

https://jakarta.ee/specifications/jsonb/2.0/jakarta-jsonb-spec-2.0.html#property-names-resolution
https://jakarta.ee/specifications/jsonb/2.0/jakarta-jsonb-spec-2.0.html#uniqueness-of-properties

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