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  1. ,
    Expert tip

    Check if your DTO has a default constructor with getters and setters. Check as well if you have more than one @JsonBackReference in the same class and if there's a @JsonManagedReference that matches it!

Solutions on the web

via Stack Overflow by paroxit
, 6 months ago
Content type 'application/json;charset=UTF-8' not supported
via Stack Overflow by sonoerin
, 2 years ago
Content type 'application/json;charset=UTF-8' not supported
via Stack Overflow by André Filipe Santos
, 2 years ago
Content type 'application/json;charset=UTF-8' not supported org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/json;charset=UTF-8' not supported
via Coderanch by H Paul, 1 year ago
Content type 'application/xml;charset=UTF-8' not supported
org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/json;charset=UTF-8' not supported	at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodArgumentResolver.readWithMessageConverters(AbstractMessageConverterMethodArgumentResolver.java:235)	at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.readWithMessageConverters(RequestResponseBodyMethodProcessor.java:149)	at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.resolveArgument(RequestResponseBodyMethodProcessor.java:127)