前端保存json字符串，发送给后端，后端没有接收到

前端报错信息：
client:177 [WDS] Disconnected!
close @ client:177
onclose @ socket.js:17
EventTarget.dispatchEvent @ sockjs.js:170
(anonymous) @ sockjs.js:969
:9528/#/teacher/create:1 Uncaught (in promise) error
DevTools failed to load SourceMap: Could not load content for chrome-extension://ncennffkjdiamlpmcbajkmaiiiddgioo/js/xl-content.js.map: HTTP error: status code 404, net::ERR_UNKNOWN_URL_SCHEME

后端报错信息：

2020-10-17 14:15:30 |ERROR |http-nio-8110-exec-1 |GlobalExceptionHandler.java:23 |com.atguigu.guli.service.base.handler.GlobalExceptionHandler |org.springframework.dao.DataIntegrityViolationException:

Error updating database. Cause: java.sql.SQLException: Field ‘name’ doesn’t have a default value

The error may exist in com/atguigu/guli/service/edu/mapper/TeacherMapper.java (best guess)

The error may involve com.atguigu.guli.service.edu.mapper.TeacherMapper.insert-Inline

The error occurred while setting parameters

SQL: INSERT INTO edu_teacher ( id, gmt_create, gmt_modified ) VALUES ( ?, ?, ? )

Cause: java.sql.SQLException: Field ‘name’ doesn’t have a default value

; Field ‘name’ doesn’t have a default value; nested exception is java.sql.SQLException: Field ‘name’ doesn’t have a default value

解决方法添加@RequestBody注解