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Jackson 2.9.5, 2.9.6 incompatible with snakeyaml 1.20, 1.21

See original GitHub issue

A backwards-incompatible (with jackson 2.9.5) change was introduced in snakeyaml 1.20, so anyone trying to use the latest released versions of jackson and snakeyaml would run into a problem:

java.lang.NoSuchMethodError: org.yaml.snakeyaml.events.MappingStartEvent.<init>(Ljava/lang/String;Ljava/lang/String;ZLorg/yaml/snakeyaml/error/Mark;Lorg/yaml/snakeyaml/error/Mark;Ljava/lang/Boolean;)V

    at com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.writeStartObject(YAMLGenerator.java:489)
    at com.fasterxml.jackson.core.base.GeneratorBase.writeStartObject(GeneratorBase.java:286)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:626)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
    at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3893)
    at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3207)

Issue Analytics

State:
Created 5 years ago
Reactions:1
Comments:12 (1 by maintainers)

Top GitHub Comments

1reaction

cthiebaudcommented, Aug 30, 2018

FYI, snakeyaml 1.23 is released since 2018-08-27, cf.

https://search.maven.org/artifact/org.yaml/snakeyaml

https://repo1.maven.org/maven2/org/yaml/snakeyaml/1.23/

1reaction

ahgittincommented, Aug 15, 2018

I have opened https://bitbucket.org/asomov/snakeyaml/issues/412/restore-the-boolean-constructors-for to try to facilitate this. I’ve seen this error in other projects too. No fun!

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