SQL developer cannot see connection info from tnsnames.ora file

Greetings All,
I have been using sql developer for a while. Currently on 3.0.04.34.
I have 16 database connections.
Everything was working fine until yesterday.
Today when I tried to connect to a database from the list of connections I am getting following error:
Invalid connection information specified. Verify url format for specified driver.
When I pull up the property for this connection -connection type is still TNS, Netwrok Alias is now greyed out and what was in Netwrok Alias has shifted to Connect Identifier.
When I try to create a new connection I do not see entry from tnsnames.ora file for the databse I am trying to connect to in the Network Alias drop down list.
I can connect to this database from sqlplus.
Has anyone seen this behavior? Does any one know the fix for this?
Thanks.

Hi,
Maybe your preference settings got corrupted, or the Tnsnames.ora file got moved to somewhere SQL Developer can't find it.
Are you using either:
1. Tools|Preferences|Database|Advanced|Tnsnames Directory, or a
2. TNS_ADMIN environment variable
to point to your Tnsnames? Having one of those should enable the Network Alias drop-down list to get populated. Otherwise, if the values moved to Connection Identifier are correct, then you won't be to connect in that mode without also having an Oracle client installed with an 11.1 JDBC thick driver (ocijdbc11.dll).
If there is no issue with the Tnsnames. ora location, it might be a good idea to use Export Connections to make a backup of your connections. Then you can try deleting the connections from SQL Developer and re-importing them. Even if that doesn't fix the problem, you should be no worse off.
Regards,
Gary
SQL Developer Team

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Using Windows XP/Vista...
After testing in our environment, it appears that SQL Developer 1.5.1 (5440) does in fact ignore the TNS_ADMIN environment variable and ONLY looks in the Oracle Home directory (network/admin). We define a central network location for our tnsnames file and have the tns_admin setup to point there instead of locally for our users.
When selecting to add a new connection (in 1.5.1, it works in previously releases... meaning 1.2.something) and selecting TNS, the drop-down remains empty. However, if I exit SQL Developer and then copy the tnsnames file to the local network/admin directory I can then re-launch SQL Developer and the drop-down is populated. Exiting SQL Developer again, deleting the local copy of tnsnames, and then launching SQL Developer yet again results in the drop-down being empty.
All other Oracle-related applications function as expected (as they have for years) using the TNS_ADMIN environment variable.
Any suggestions/ideas?

Bulk import of tnsnames.ora file into SQL developer on first run

Is there a way for SQL developer to read the tnsnames.ora file and import all of the connections from that? Near as I can see, I would either have to manually add each of them or import an xml file of some kind...Thoughts?

There's a feature request for this at the Exchange (http://htmldb.oracle.com/pls/otn/f?p=42626:39:3634225177876117::NO::P39_ID:4582), but they closed it down like a crack-house :-(
So you just have to continue your manual slave-labours...
Have fun,
K.

The SQL*PLUS cannot be connected

The SQL*PLUS cannot be connected.
When I try to connect to sqlplus, I get the following error message: ORA-12560: TNS:protocol adapter error
I trouble shoot it according to the following steps, but have not found any problems:
C:\Documents and Settings\Administrator>sqlplus / as sysdba
SQL*Plus: Release 11.1.0.6.0 - Production on Tue Apr 27 09:45:51 2010
Copyright (c) 1982, 2007, Oracle. All rights reserved.
ERROR:
ORA-12560: TNS:protocol adapter error
Enter user-name:
C:\Documents and Settings\Administrator>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.1.0.6.0 - Production on 27-APR-2010 09:37:56
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.1.0.6.0 - Production
Start Date                27-APR-2010 09:35:08
Uptime                    0 days 0 hr. 2 min. 48 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   F:\app\oracle\product\11.1.0\db_1\network\admin\listener.ora
Listener Log File         f:\app\oracle\diag\tnslsnr\HOST1\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HOST1)(PORT=1521)))
Services Summary...
Service "db1" has 1 instance(s).
Instance "db1", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\Documents and Settings\Administrator>tnsping db1
TNS Ping Utility for 32-bit Windows: Version 11.1.0.6.0 - Production on 27-APR-2010 09:38:46
Copyright (c) 1997, 2007, Oracle. All rights reserved.
Used parameter files:
F:\app\oracle\product\11.1.0\db_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = host1)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICA
TED) (SERVICE_NAME = db1)))
OK (500 msec)
C:\Documents and Settings\Administrator>echo %oracle_sid%
db1Both the OracleServiceDB1 service and the OracleOraDb11g_home1TNSListener service are already started.

The following is from F:\app\oracle\diag\tnslsnr\HOST1\listener\trace\listener.log
System parameter file is F:\app\oracle\product\11.1.0\db_1\network\admin\listener.ora
Log messages written to f:\app\oracle\diag\tnslsnr\HOST1\listener\alert\log.xml
Trace information written to f:\app\oracle\diag\tnslsnr\HOST1\listener\trace\ora_2020_1660.trc
Trace level is currently 0
Started with pid=2020
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HOST1)(PORT=1521)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
Tue Apr 27 09:21:18 2010
System parameter file is F:\app\oracle\product\11.1.0\db_1\network\admin\listener.ora
Log messages written to f:\app\oracle\diag\tnslsnr\HOST1\listener\alert\log.xml
Trace information written to f:\app\oracle\diag\tnslsnr\HOST1\listener\trace\ora_1984_2004.trc
Trace level is currently 0
Started with pid=1984
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HOST1)(PORT=1521)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
Tue Apr 27 09:35:08 2010
System parameter file is F:\app\oracle\product\11.1.0\db_1\network\admin\listener.ora
Log messages written to f:\app\oracle\diag\tnslsnr\HOST1\listener\alert\log.xml
Trace information written to f:\app\oracle\diag\tnslsnr\HOST1\listener\trace\ora_3740_3788.trc
Trace level is currently 0
Started with pid=3740
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HOST1)(PORT=1521)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
Tue Apr 27 09:37:56 2010
WARNING: Subscription for node down event still pending
27-APR-2010 09:37:56 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=Administrator))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=185599488)) * status * 0
Tue Apr 27 09:38:49 2010
27-APR-2010 09:38:49 * ping * 0
Tue Apr 27 10:48:44 2010
27-APR-2010 10:48:44 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=db1)(CID=(PROGRAM=F:\app\oracle\product\11.1.0\db_1\bin\sqlplus.exe)(HOST=HOST1)(USER=Administrator))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.2)(PORT=2030)) * establish * db1 * 12518
TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
   32-bit Windows Error: 2: No such file or directory
Tue Apr 27 10:49:26 2010
System parameter file is F:\app\oracle\product\11.1.0\db_1\network\admin\listener.ora
Log messages written to f:\app\oracle\diag\tnslsnr\HOST1\listener\alert\log.xml
Trace information written to f:\app\oracle\diag\tnslsnr\HOST1\listener\trace\ora_3948_1304.trc
Trace level is currently 0
Started with pid=3948
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HOST1)(PORT=1521)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
Tue Apr 27 10:50:24 2010
27-APR-2010 10:50:24 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=db1)(CID=(PROGRAM=F:\app\oracle\product\11.1.0\db_1\bin\sqlplus.exe)(HOST=HOST1)(USER=Administrator))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.2)(PORT=2045)) * establish * db1 * 12518
TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
   32-bit Windows Error: 2: No such file or directory

SQL Dev 3.0.04 cannot locate TNSNAMES.ora file after Oracle11g XE Beta

Hello,
I had Oracle Developer Suite (Reports, Forms) installed on Windows 7 32 bit along with SQL Developer 3.0.04 (latest prod. build) and everything was working just fine.
Then, I installed Oracle 11g XE Beta database and now, all the existing Connections in SQL Developer give an error "Invalid connection information specified. Verify the URL format for the specified driver."
I thought since 11gXE was the latest Oracle software installed, the Path environment variable in Windows will have the Oracle 11gXE as the leading path string. So, I cut this leading string : C:\Oracle\Oracle11gXE\product\11.1.0\db_1\bin and appended it at the very end.
This means that the Path that existed prior to the 11gXE install is now the leading and hence SQL Developer should be reading the TNSNAMES.ora file from the very first Oracle Home encountered which is for the developer suite. But this does not seem to work.
Any ideas how to fix this? How does SQL Developer determine which tnsnames file to use?
Thanks,
Manish

Hi Manish,
One place to control this is Tools|Preferences|Database|Advanced|Tnsnames Directory.
Otherwise read the documentation in Help|Table of Contents|SQL Developer Concepts and Usage|Database Connections. The third paragraph contains a description of the various alternatives.
Regards,
Gary Graham
SQL Developer Team
Edited by: gggraham on Jul 18, 2011 2:52 PM

SQL Developer is not able to identify the Tnsnames.ora file

Hi,
I have installed the following in the laptop having Win XP:
1) Oracle 10gR2 Client software in the D: drive of laptop. Tnsnames.ora is located in this clients Network\Admin path. This client is used to access the databases on the other servers.
2) Oracle 10gR2 Database software in the E: drive of laptop. Right now there is not Tnsnames.ora file in this softwares Network\Admin path. This db software has been installed to create local databases in the laptop.
3) Oracle SQL Developer Version 2.1.1.64 is also installed in C: drive of laptop.
The problem which now I'm facing is that the SQL Developer is not able to identify the Tnsnames.ora file mentioned in the above point-1 which contains entries of databases on the different servers. Could you please help me out in solving this problem?
Thanks in advance.
MAK

I forget what version I was using at the time, but when I had an ORACLE_HOME defined for the environment and TNSNAMES file defined in SQL Developer (different one than was in ORACLE_HOME), that I would see results from both tns files. I don't know if that is still the case. I have since dropped my ORACLE_HOME environmental variable.

SQL developer cannot see connection info from tnsnames.ora file

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