Sql Developer not reading right tnsnames.ora

I have both a local 9iv2 and a 10xe (app_express) databases installed. Oracle home is set to ora92 and therefore should be reading the tnsnames.ora file in c:\oracle\ora92\network\admin. However, I recently used SQL Developer to connect to the 10xe database, and now all it reads is the tnsnames.ora file in the oraclexe\....\network\admin directory.
Any suggestions as to how to get it to use the tnsnames.ora from the ora92 home again??
The only solution I can think of now is to create one tnsnames.ora file with all the connections I need and copy it to each place where a tnsnames.ora file has been installed (ora92, ver 8 server, oraclexe, designer, forms/reports installs - etc.) Any other suggestions would be appreciated. I don't know why it is not reading from the specified home.
Thanks
Glenn

Hi,
This should help.
Re: tns_admin
-kris

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SQL Developer can't see tnsnames.ora

Hiya. I hope someone can help with this. I installed Oracle instant client (basic lite) on my new Windows 7 machine (32 bit) - yeah, I know Windows 7 is not supported, but my gut feeling is that this isn't the issue I'm having.
I've put my tnsnames.ora file in the same folder as instant client (C:\program files\oracle\instantclient), have created a system environment variable TNS_ADMIN which points to that folder, and have added that folder to the system "path" environment variable. That should do it, right?
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Troubleshooting ideas? Other ways to test that the needed Oracle files are installed properly?
Thanks!

Here's how to debug where it's looking:
http://krisrice.blogspot.com/2008/04/it-seems-to-come-up-often-that-some.html
-kris

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Well, not supported does not necessarly mean does not work, but if you have problem, then your only way is to find a solution on your own or through other fellows who are doing the same.
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I installed Oracle 11g on Windows 8, and am having problems with SQL developer starting. I have tried to debug but not a clue what I am looking for. I really could use some help. It is a 64 bit installation - and seems to be OK as I can connect to the DB in SQL plus. Thanks a lot!
From a self-help perspective, did the following after looking at some threads:
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C:\app\kmalik\product\11.2.0\dbhome_1\sqldeveloper\sqldeveloper\bin>set
ALLUSERSPROFILE=C:\ProgramData
APPDATA=C:\Users\kmalik\AppData\Roaming
CommonProgramFiles=C:\Program Files\Common Files
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
CommonProgramW6432=C:\Program Files\Common Files
COMPUTERNAME=KMMAC
ComSpec=C:\Windows\system32\cmd.exe
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Users\kmalik
LOCALAPPDATA=C:\Users\kmalik\AppData\Local
LOGONSERVER=\\KMMAC
NUMBER_OF_PROCESSORS=1
OS=Windows_NT
Path=C:\app\kmalik\product\11.2.0\dbhome_1\bin;C:\Program Files (x86)\Parallels\
Parallels Tools\Applications;C:\Windows\system32;C:\Windows;C:\Windows\System32\
Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft\Web
Platform Installer\;C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v
1.0\;C:\Program Files (x86)\Windows Kits\8.0\Windows Performance Toolkit\;C:\Pro
gram Files\Microsoft SQL Server\110\Tools\Binn\
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
PROCESSOR_ARCHITECTURE=AMD64
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 58 Stepping 9, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=3a09
ProgramData=C:\ProgramData
ProgramFiles=C:\Program Files
ProgramFiles(x86)=C:\Program Files (x86)
ProgramW6432=C:\Program Files
PROMPT=$P$G
PSModulePath=C:\Windows\system32\WindowsPowerShell\v1.0\Modules\
PUBLIC=C:\Users\Public
SystemDrive=C:
SystemRoot=C:\Windows
TEMP=C:\Users\kmalik\AppData\Local\Temp
TMP=C:\Users\kmalik\AppData\Local\Temp
USERDOMAIN=KMMAC
USERDOMAIN_ROAMINGPROFILE=KMMAC
USERNAME=kmalik
USERPROFILE=C:\Users\kmalik
VS110COMNTOOLS=C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\Tools
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'java' is not recognized as an internal or external command, operable program or batch file.

And also note the following similar thread:
java.exe Requirement to run SQL Developer?

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Oracle SQL Developer version 1.2.1 BUILD MAIN-32.13
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Impossible to start SQL Developer in Read-Only-Mode for certain users who should not be able to modify any data.

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Developing without Full client / tnsnames.ora

I am trying to develop an OCI application using Borland C++ Builder. I want to deploy and develop using Instant Client 10G without tnsnames.ora file. I have 2 PCs - NT4 & XP.
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TESTFILE.DSN
================
[ODBC]
DRIVER=Oracle in OraDb10g_home1
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TEST.VBS
==========
set con = createobject("adodb.connection")
con.open "filedsn=testfile;uid=scott;pwd=tiger;"
set rs = createobject("adodb.recordset")
rs.open "select user from dual",con
msgbox rs.fields(0).value
Note also that unless you really want to create a file dsn, you could also just use a dsnless connection string and pass that directly too:
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SQL Developer not only reading tnsnames.ora

Hello,
I have found a very odd behaviour in SQL Developer 1.2 (running on Windows 2000):
I have set TNS_ADMIN to point to a directory on a network drive residing on a Linux host. In this directory there were many backup files of tnsnames.ora created over time whose names followed the pattern tnsnames.ora.<timestamp> or tnsnames.bak or something similar. In SQL Developer in the "New database connection" dialog many TNS-entries showed up multiple times in the "Network alias" listbox. Only after removing all those backup files from the directory the behaviour of SQL Developer was correct and every entry only showed up once. I also found out that even when I moved the backup files to a new directory "tnsnames.bak" under the directory which TNS_ADMIN points to the entries showed up multiple times. After I renamed this directory to bak.tnsnames the behaviour was again correct. In my opinion SQL Developer should only read the file called tnsnames.ora and ignore all other files or directories with similar names.
Kind regards,
Christof Breker

Various users reported this before.
Maybe others use multiple files, but at least there should be the option to read just this one.
Regards,
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When I installed sql developer at home with a 'static' tnsnames.ora file, sql-developer picked it up right away, and I was able to use the 'connect identifier' pull down menu.
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Is there are a way to make it see our tnsnames.ora file? Is there are some kind of workaround (besides copying the file locally)
Thanks.

Unfortunately, because SQL Developer is set up to allow an install without any local Oracle client, it is not wonderful at picking up some things from the local Oracle client when it is there - such as the TNS_ADMIN setting.
Assuming you are on an Windows box, rather than having your TNS_ADMIN set in the HKEY_LOCAL_MACHINE\SOFTWARE\Oracle registry 'directory', you need to have a Windows environment variable set for TNS_ADMIN (it doesn't matter if this is a User environment variable or a System environment variable). I assume (but don't know) that on a Linux based version you need a Unix environment variable set.
For example on Windows XP, right click on My Computer and select the Properties menu option. On that page, select the Advanced tab and then the Environment Variables button. Then click on the New button (in either the System or User section) and enter the variable name TNS_ADMIN and the variable value that you are using in the registry (ie z:\orant\network\admin).

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I have installed sql developer 3.2.2 and now I am trying to establish a connection with the database 'orcl' which I just created. But it is giving me a 'socket read timed out error' with vendor code 504. Please help. Thanks in advance.

The output from 'lsnrctl status' is -
C:\Users\Bits>lsnrctl status
LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 11-OCT-2013 22:59
:55
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Produ
ction
Start Date                11-OCT-2013 10:18:43
Uptime                    0 days 12 hr. 41 min. 38 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   C:\Oracle\Bits\product\11.2.0\dbhome_1\network\admin\l
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Listener Log File         c:\oracle\bits\diag\tnslsnr\Bits-PC\listener\alert\log
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Service "orclXDB" has 1 instance(s).
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TNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on 11-OCT-2
013 23:04:28
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
C:\Oracle\Bits\product\11.2.0\dbhome_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhos
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OK (0 msec)
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825084 wrote:
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Oracle SQL Developer 1.0
Copyright (c) 2005 Oracle Corporation. All Rights Reserved.
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-----

Sql Developer not reading right tnsnames.ora

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