报错信息：

Maximum upload size exceeded; nested exception is java.lang.IllegalStateException: The multi-part request contained parameter data (excluding uploaded files) that exceeded the limit for maxPostSize set on the associated connectorMaximum upload size exceeded; nested exception is java.lang.IllegalStateException: The multi-part request contained parameter data (excluding uploaded files) that exceeded the limit for maxPostSize set on the associated connector"

翻译一下：

超过最大上载大小;嵌套异常是java.lang.IllegalStateException:多部分请求包含的参数数据(不包括上传的文件)超过了在关联的connectorMaximum上传大小设置的maxPostSize限制;java.lang.IllegalStateException:多部分请求包含的参数数据(不包括上传的文件)超过了在关联连接器上设置的maxPostSize限制。

简单来说就是 请求的json超限，