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JsonMappingException when trying to instantiate org.springframework.messaging.Message [SPR-16486] #21029

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spring-projects-issues opened this issue Feb 11, 2018 · 0 comments
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in: messaging status: backported type: regression
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@spring-projects-issues spring-projects-issues commented Feb 11, 2018

Itamar Benjamin opened SPR-16486 and commented

in StreamListener input, when trying to receive a parameterized Message instance (see referenced github gist link), this exception is thrown:
org.springframework.messaging.converter.MessageConversionException: Could not read JSON: Can not construct instance of org.springframework.messaging.Message: abstract types either need to be mapped to concrete types, have custom deserializer, or contain additional type information

this was introduced in spring-messaging:4.3.14.RELEASE, overriding only this dependency to 4.3.13.RELEASE resolves this issues


Affects: 4.3.14

Reference URL: https://gist.github.com/ItamarBenjamin/feb62ab96bda55555aa6c96dd545ddaf

Issue Links:

  • #20799 Exception when receiving Long collection in MessageMapping

Referenced from: commits 4ee09c8, 2033f50

Backported to: 4.3.15

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