老师，我在用restlet client测试login时，后端能打印出账号和密码，但下面报： was not registered for synchronization because synchronization is not active

admin

999

[19:12:20.164][DEBUG][org.mybatis.spring.SqlSessionUtils]["http-bio-8080"-exec-7] Creating a new SqlSession

[19:12:20.191][DEBUG][org.mybatis.spring.SqlSessionUtils]["http-bio-8080"-exec-7] SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@4764f274] was not registered for synchronization because synchronization is not active

这是浏览器端打印的日志

3localhost:8080/user/login.do Failed to load resource: net::ERR_CONNECTION_RESET

localhost:8080/user/login.do Failed to load resource: the server responded with a status of 500 (Internal Server Error)

4localhost:8080/user/login.do Failed to load resource: net::ERR_CONNECTION_RESET

localhost:8080/user/login.do Failed to load resource: the server responded with a status of 500 (Internal Server Error)

nexus-websocket-b.intercom.io/client-test Failed to load resource: net::ERR_NETWORK_IO_SUSPENDED

nexus-websocket-a.intercom.io/client-test Failed to load resource: net::ERR_NETWORK_IO_SUSPENDED

localhost:8080/user/login.do Failed to load resource: net::ERR_CONNECTION_RESET