[oracle@hostname]$ sqlplus sys@teston as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Tue Jul 7 15:01:04 2015 Copyright (c) 1982, 2011, Oracle. All rights reserved. Enter password: ERROR: ORA-12154: TNS:could not resolve the connect identifier specified
When do you get this error? Database is on in restricted on no mount status and you will see service handler for this instance is on BLOCKED or RESTRICTED state. [oracle@hostname]$ lsnrctl status LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 07-JUL-2015 15:20:35 Copyright (c) 1991, 2011, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production Start Date 07-JUL-2015 14:18:31 Uptime 0 days 1 hr. 2 min. 3 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/product/11.2.0.3/network/admin/listener.ora Listener Log File /opt/oracle/diag/tnslsnr/stagedevdb2/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=stagedevdb2.ipx.com)(PORT=1521))) Services Summary... Service "+ASM" has 1 instance(s). Instance "+ASM", status READY, has 1 handler(s) for this service... Service "teston" has 1 instance(s). Instance "teston", status BLOCKED, has 1 handler(s) for this service... The command completed successfully Solution: Add (UR=A) in tnsnames.ora file. TESTON = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = stagedevdb2.ipx.com)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = teston) (UR = A) ) ) [oracle@hostname]$ sqlplus sys@teston as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Tue Jul 7 15:25:19 2015 Copyright (c) 1982, 2011, Oracle. All rights reserved. Enter password: Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options |