MARS - Oracle TNS listener errors

Anyone familiar with this:
[pnadmin]$ pndbusage
Program aborted due to: ORA-12541: TNS:no listener
MARS was fine before the holiday weekend. When I came back, I was looking at the summary page and the graph wasn't being drawn. I SSH'd to MARS and did the above.
While SSH'd to MARS (and my HTTPS session still open) I did a reboot and I still get the same error. Also, now when I HTTPS to MARS I get a login page, but the url is: https://10.6.184.116/logout.jsp
The username/password fields and login button are in the upper left corner of the browser window, not in the middle like normal.
So, now I have two problems. The first being my TNS listener error and the second being that I can't log in. It wants me to log out first...ugh.
Thanks,
Bob

This sounds like a known issue and if memory serves a developer will need to login and do something, so you'll need to open a TAC case.
Here is the link:
http://www.cisco.com/en/US/products/ps6241/products_field_notice09186a008070fcaf.shtml

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Here is what I was given from our security group here at
USDOJ:
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Version 7,0,2,142559
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Serial Number
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Hi all,
I have installed Form/Reports 11gr2 with Weblogic 10.3.6 64-bit & database 11gr2.
All installations and configures are successful.
But when I give URL address (servername:portno/forms/frmservlet?form=main) to open a form, it gives me following error;
ora-12514: TNS:listener does not currently know of service requested in connect descriptor.
I searched on google, but didn't clear my error. I also checked Oracle services, all are started.
So please guide me !
Thanks/Regards.
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I never changed settings in tnsnames.ora, it is always as per default settings. If required now then let me know.
Please note that when I connect my form builder with databases, it is connected. But when I run my form it again show same error and open a dialog box for
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    (CONNECT_DATA =
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ORCL =
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TNS listener error "ORA-12514: TNS:listener..."

Hi all,
I have a problem with my listener on Oracle 11.2.0.2.
I am more of a developer than a DBA, and I do not have a DBA to consult, so I hope you can address me, please.
I have 2 DB instances running on the same machine ORCL and ORCL2 on port 1521, both using the same listener "LISTENER" as well on port 1521.
In my TNSnames I had to add yesterday as well a new entry to a DB (ORCL3) hosted on a different machine.
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ORA-12514: TNS:listener does not currently know of service requested in connect
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I think the answer is to have to separate listeners for ORCL and ORCL2, but I have had several failed attempts.
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Hi, thanks.
ORANAMES:
# tnsnames.ora Network Configuration File: C:\oracle\product\11.2.0\dbhome_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
ORCL2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl2)
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl.xxx.xxx.net)
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(DESCRIPTION =
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(CONNECT_DATA =
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(SERVICE_NAME = orcl.2.3.4)
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Alias LISTENER
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Uptime 0 days 2 hr. 19 min. 26 sec
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Listener Log File C:\oracle\diag\tnslsnr\xxx\listener\alert\log.xml
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at sun.reflect.NativeMethodAccessorImpl.invoke
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at sun.reflect.DelegatingMethodAccessorImpl.invoke
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HI ,
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answer to the first question:
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Copyright (c) 1991, 2005, Oracle. All rights reserved.
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Message was edited by:
Dan A

This error means that the service name could not be resolved by name-lookup. Verify the listener.ora is properly configured, check the name and address defined either in listener.ora or in the tnsnames.ora file.
I suggest you this reference Configuring Password Listener Authentication
~ Madrid

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I am new to Oracle and I have come accross this error earlier.
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The documentation
http://tahiti.oracle.com/
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http://www.oracle.com/pls/db102/db102.homepage
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Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
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MARS - Oracle TNS listener errors

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