com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `com.ali

There was an unexpected error (type=Internal Server Error, status=500).
Type definition error: [simple type, class com.ali.eurekaprovider.pojo.User]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of com.ali.eurekaprovider.pojo.User (no Creators, like There was an unexpected error (type=Internal Server Error, status=500).

SpringBoot 调用服务出错 ,原因没有构造方法

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