No network Alias show

Hi
When i am using the TNS connection type no network alias show on the drop down box. Also can not connect using basic connection type. This worked before installing oracle 10g. Can connect to sqlplus so i know that it is up and running. Any suggestions would be great.
Version using:
CVS Version     Internal to Oracle SQL Developer (client-only)
Java(TM) Platform     1.5.0_06
Oracle IDE     1.5.1.54.40
Versioning Support     1.5.1.54.40

lrrltt wrote:
Where is your tns_names file? C:\DevSuiteHome_1\NETWORK\ADMIN
Do you have TNS_ADMIN set? Yes i set the the environmental variable for TNS_ADMIN --
C:\DevSuiteHome_1\NETWORK\ADMIN\tnsnames.ora
I think this should be just the directory
TNS_ADMIN=C:\DevSuiteHome_1\NETWORK\ADMIN
Are the entries in that tnsnames correct? SQLDeveloper will stop parsing the file if it encounters a syntax error, even although other tools can still use it.
What error do you get when you try to connect with the basic tab?
Status : Failure - test failed Io exception: The network adapter could not establish the connection
This error usually means a fundamental network problem - wrong host name for instance, or a firewall blocking connections.
>
I know that the infomation for the basic connection is correct, for it works at home (on diffrent PC) with the same settings.
Can you do telnet hostname 1521? If you can connect, you won't get a response, but you may get a more informative error?
Edited by: Jim Smith on Sep 4, 2008 4:17 PM

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