Check that you have a tnsnames.ora file with your service name properly defined.
By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
Try to tnsping the service name. If successful, it should look something like this:
C:>tnsping oratst01 TNS Ping Utility for 32-bit Windows: Version 10.1.0.2.0 - Production on 09-NOV-2005 21:41:21 Copyright (c) 1997, 2003, Oracle. All rights reserved. Used parameter files: C:oracleproduct10.1.0db_1networkadminsqlnet.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = C373)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = ORATST01))) OK (30 msec)Also, check that the listener is up and that your database has registered with the listener. At the command prompt, type:
lsnrctl statusYou should see output similar to this and your instance registered with the listener:
C:>lsnrctl status LSNRCTL for 32-bit Windows: Version 10.1.0.2.0 - Production on 09-NOV-2005 21:43:04 Copyright (c) 1991, 2004, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=c373)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Production Start Date 09-NOV-2005 21:14:43 Uptime 0 days 0 hr. 28 min. 20 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File C:oracleproduct10.1.0db_1networkadminlistener.ora Listener Log File C:oracleproduct10.1.0db_1networkloglistener.log Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521))) (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\.pipeEXTPROCipc))) (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=c373)(PORT=8080))(Presentation=HTTP)(Session=RAW)) (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=c373)(PORT=2100))(Presentation=FTP)(Session=RAW)) Services Summary... Service "ORATST01XDB" has 1 instance(s). Instance "oratst01", status READY, has 1 handler(s) for this service... Service "PLSExtProc" has 1 instance(s). Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service... Service "oratst01" has 1 instance(s). Instance "oratst01", status READY, has 1 handler(s) for this service... The command completed successfully
Dig Deeper on Oracle database installation, upgrades and patches
Related Q&A from Maria Anderson
Can I use /var/opt/oracle/oratab to specify listener information?continue reading
We would like to migrate our database from Oracle 8.1.7 to Oracle 10g. We would like to know the impact for our application developed using Delphi ...continue reading
I have been trying to install Oracle 8.1.7 on SUSE Linux 9.0 and got the error: "Error in invoking target install of makefile /opt/oracle/...../*.mk."continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.