OS: Oracle Linux Server release 5.7 DB: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production 1.查看监听状态: SQL> !lsnrctl status LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 12-NOV-2013 01:36:29 Copyright (c) 1991, 2011, O
1. Question description: if you are setting the oracle client to add a local network service, you may see the dialogue that show you the message (oracle client ORA-12541: TNS: 无监听程序). 2.you can check the listener first, with command (lsnrctl status;