问题描述
ORA_12514:TNS:listener does not currently know of service requested in connect descriptor
解决方式
右键点击我的电脑-》管理——》服务和应用程序（左侧列表）——》双击右侧服务——》重启“OracleJobScheduler[oracle_sid]
ORA_12514:TNS:listener does not currently know of service requested in connect descriptor
原文：https://www.cnblogs.com/7q4w1e/p/9729729.html