错误：The request sent by the client was syntactically incorrect ().
原因：可能是提交form表单与Action中期望接收到的不匹配
为bean类添加注解
@JsonIgnoreProperties@H_403_12@(@H_403_12@ignoreUnknown @H_403_12@=@H_403_12@ @H_403_12@true@H_403_12@)@H_403_12@ @H_403_12@ 问题解决
参考：Spring MVC : The request sent by the client was syntactically incorrect
原文链接：https://www.f2er.com/ajax/161213.html