本文转自:https://blog.csdn.net/qq_38861740/article/details/125526920 报错ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务,第一种是在你安装完之后未配置监听; 第二种是之前配置了监听但是系统未写入到listener.ora文件中,所以只需要在该文件中写入配置参数就可以了。 解决方法修改listener.ora文件,把一下内容填写到SID_LIST节点下 (SID_DESC =(GLOBAL_DBNAME = orcl1)(ORACLE_HOME = H:\oracle\product\10.2.0\db_1)(SID_NAME = orcl_1))例如 SID_LIST_LISTENER =(SID_LIST =(SID_DESC =(SID_NAME = CLRExtProc)(ORACLE_HOME = H:\oracle\product\10.2.0\db_1)(PROGRAM = extproc)(ENVS = “EXTPROC_DLLS=ONLY:H:\oracle\product\10.2.0\db_1\bin\oraclr11.dll”))(SID_DESC =(GLOBAL_DBNAME = orcl1)(ORACLE_HOME = H:\oracle\product\10.2.0\db_1)(SID_NAME = orcl_1) )) Read More>