[Squirrel-sql-users] Help diagnose why SQuirreL fails to connect to Oracle

[Karr, D. <dav...@wa...>]

I had SQuirreL 2.1 installed, and I installed 2.2 over it.  I entered a
new alias for an Oracle thin connection, but it fails with "The Network
Adapter could not establish the connection" when I try to connect.
Another person at another location in my company uses Squirrel (not sure
which version) to connect to the same db, with no trouble.  I looked at
the driver properties, and the driver class name wasn't quite what I
expected, so I changed it to what I expected (oracle.jdbc.OracleDriver),
but it made no difference.  I then wrote a trivial build.xml that uses
the same connection info (and classpath to the driver) and just tries to
list the available tables, and it works perfectly fine.

What could be going wrong here?