Okay, so I have spent over 2 days trying to fix this problem. I have googled the issue, searched the archives of various forums, as well as read the documentation on oracle's website. At this point I am lost.
I am running Oracle Database 11g Release 2 EXPRESS EDITION. I am running Fedora 17 in Oracle's VirtualBox. The client I am attempting to connect to the server with is SQLDeveloper, and I am using the latest version of it.
When I am logged in as root, these are two of the many lines I have when I type "export" in the shell:
Thank you very much for our reply. I ran the oracle daemon as root, but all the relevant programs are running under the oracle user nonetheless. Does it make a difference in that case? Also, here is the result from the command you told me to execute:
Oh, by the way gandolf989, I apologize in advanced for this (and to any other people reading this thread), but here is some other information that I thought might help. I'm not sure how relevant it is, but just to show everything is running:
[zeke@zeke bin]$ ./tnsping xe
--- SNIP ---
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))
OK (0 msec)