Cannot Deserialize From Object Value Spring Boot

Spring Boot JSON解析错误:无法从Array值反序列化类型的值(标记`JsonToken.START_ARRAY`) _大数据知识库

Cannot Deserialize From Object Value Spring Boot. Web objectmapper mapper = new objectmapper(); Web i got an error.

Spring Boot JSON解析错误:无法从Array值反序列化类型的值(标记`JsonToken.START_ARRAY`) _大数据知识库
Spring Boot JSON解析错误:无法从Array值反序列化类型的值(标记`JsonToken.START_ARRAY`) _大数据知识库

Web objectmapper mapper = new objectmapper(); Web i got an error. Helper base class for jsondeserializer. (no creators, like default constructor, exist): Cannot deserialize from object value (no delegate. Web i have a repository test in a spring boot project that i'm running into errors on and i can't figure it out.

(no creators, like default constructor, exist): Web objectmapper mapper = new objectmapper(); (no creators, like default constructor, exist): Web i got an error. Cannot deserialize from object value (no delegate. Web i have a repository test in a spring boot project that i'm running into errors on and i can't figure it out. Helper base class for jsondeserializer.