404 Listener Error

We are running Oracle Portal 3.0 in a Windows 2000 environment
connecting to Oracle8i Enterprise Edition database Release
8.1.6.1.0. The problem:
1 - Login to the administration side.
2 - Click on the Navigator icon at the top of the screen.
3 - Click on the Pages tab and drill down through Top-Level
Pages, then find an item with Subfolders. At this point, if you
click on the Content Area's Tab, it works with no problem.
However, if you instead click on the Subfolders link and then
click on the Content Area tab, I get the following error message:
Error: The listener returned the following Message: 404 Not Found
Normally I would think it would be a database problem, but
that's not so. I have been able to reproduce the error on 3
different test environments, and one production environment,
some using Oracle on Windows NT, and others using it on Linux.
Any resolution would be appreciated.
John Cartin

The apex_public_user was already unlocked, and sqlplus connection using the password works.
The apex_public_user is set in the "java -jar apex.war setup --database MYDATABASE" step. I've confirmed several times that it matches.
Running apxchpwd.sql is for changing the Internal workspace password, which is different. The default apex login page should be visible regardless of the value of the Internal workspace password.
Edited by: obipsr42 on Jan 11, 2013 12:20 PM

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I used this computers IP and name. Is this what my listener should look like?
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(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\app\cb260e\product\11.2.0\dbhome_1)
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ORA-12541: TNS:no listener, error, in oracle 11g for window 7, 64 bit
While connecting as localhost is pretty well.
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user11225434 wrote:
Thax sir for your kind concern of my problem. Answers of your quaries regarding my question as follows
lsnrctl status
LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 05-AUG-2013 09:37
:21
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
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Start Date                05-AUG-2013 09:31:09
Uptime                    0 days 0 hr. 6 min. 22 sec
Trace Level               off
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SNMP                      OFF
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SID_LIST_LISTENER =
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3. My ip is static 192.168.52.170 and window 7 prof. is there.
4. Sir i have tested the remote connection with firewall configuration is off.
Hopefully this info is useful.
but command: sqlplus username@'192.168.52.178:1521/orcl'
NOTE the difference in IP#s above; 192.168.52.170 vs. 192.168.52.178

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