ERROR:ORA-280 应当以 SYSDBA 身份或 SYSOPER 身份建立 SYS 连接:
https://blog.csdn.net/wwghnr/article/details/6052064
java.sql.SQLException: ORA-28040: 没有匹配的验证协议:
https://www.cnblogs.com/zhangyongheng/p/6606078.html
https://blog.csdn.net/wwghnr/article/details/6052064
https://www.cnblogs.com/zhangyongheng/p/6606078.html