OpenAPITools/jackson-databind-nullable

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JsonNullable wrapper class and Jackson module to support meaningful null values

Stars: 153
Forks: 47
Open beginner issues: 0
Indexed issues: 11
Avg merge: 4d 15h
Merged PRs (30d): 6

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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11 open issues indexed

[Req] add javax/jakarta validator for Present Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

OpenAPITools/jackson-databind-nullable#176 · Opened Aug 19, 2026
Blank strings should not be deserialized as JsonNullable.undefined() Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OpenAPITools/jackson-databind-nullable#125 · Opened Feb 27, 2026
Summary of Suggested Changes Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenAPITools/jackson-databind-nullable#74 · 13 comments · Opened Sep 23, 2025
Looking for maintainers Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenAPITools/jackson-databind-nullable#71 · 21 comments · Opened Sep 9, 2025
The openapi swagger codegen generates JsonNullable type fields if the type attribute in swagger is not mentioned. How to overcome this without modifying the swagger. I want JsonNullable for other fields except few. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenAPITools/jackson-databind-nullable#57 · 1 comment · Opened Oct 10, 2023
Confusion with setSerializationInclusion(Include.NON_NULL) Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

OpenAPITools/jackson-databind-nullable#55 · 1 comment · 1 reaction · Opened Sep 21, 2023
Allow to suppress null values in serialization Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

OpenAPITools/jackson-databind-nullable#51 · 3 comments · 3 reactions · Opened Feb 24, 2023
Copyright information Open

Difficulty 1/5 Under an hour Newbie friendliness 62/100

OpenAPITools/jackson-databind-nullable#47 · 4 comments · 1 reaction · Opened Jan 15, 2023
Custom deserializer and empty string treatment Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenAPITools/jackson-databind-nullable#46 · 3 comments · 4 reactions · Opened Jan 10, 2023
Deserialising an empty character as json null instead of json undefined Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

OpenAPITools/jackson-databind-nullable#26 · 3 comments · 8 reactions · Opened Aug 2, 2021
Usage of jackson-databind-nullable with openapi generator plugin Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenAPITools/jackson-databind-nullable#17 · 4 comments · Opened Jun 16, 2020

OpenAPITools/jackson-databind-nullable

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