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Disable Jackson FAIL_ON_INVALID_SUBTYPE in feign (#5597)

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* Disable Jackson FAIL_ON_INVALID_SUBTYPE in feign

With this change, Jackson does not fail even if it doesn't recognize a
discriminator type name. This is helpful when upgrading a microservice with
a new subtype while keeping compatibility with its old clients. The instance
is returned as null instead of throwing an exception deep in the feign
framework, allowing clients to gracefully degrade.

* Disable FAIL_ON_INVALID_SUBTYPE for all Jackson-based projects
This commit is contained in:
Benjamin Douglas
2017-05-16 06:20:05 -07:00
committed by wing328
parent de427297ec
commit be3cfda3ce
12 changed files with 13 additions and 3 deletions
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1
samples/client/petstore/java/jersey2-java6/src/main/java/io/swagger/client/JSON.java
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@@ -16,6 +16,7 @@ public class JSON implements ContextResolver<ObjectMapper> {
mapper = new ObjectMapper();
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
mapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
mapper.enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING);