JPA报错org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Infin

报错信息：

org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Infinite recursion (StackOverflowError); nested exception is com.fasterxml.jackson.databind.JsonMappingException: Infinite recursion (StackOverflowError) (through reference chain: 

......

报错原因：

无法写入JSON：无限递归（StaskOfFultError）；嵌套异常是COM.FaSTXML.JavaS.DavaDist.jSnMappApExpExchange：无限递归（StAccOffFuffError）（通过引用链：

解决办法：

在set方法上加@JsonBackReference