解决方法:
1、JSON字符串中有转义字符,可以替换,也可以直接toString之后清除转移字符。
参考:
https://stackoverflow.com/questions/40986738/spring-data-rest-no-string-argument-constructor-factory-method-to-deserialize/40986739
http://blog.csdn.net/legend_x/article/details/31767083
http://www.oschina.net/question/227902_163010
https://stackoverflow.com/questions/40166309/no-string-argument-constructor-factory-method-to-deserialize-from-string-value
https://stackoverflow.com/questions/12933394/jackson-deserialize-as-an-empty-list