11g default listener

Hello
Oracle 11gR2
Even though, there is no listener.ora file in oracle_home/network/admin and grid_home/network/admin. Listener is started sucessfully.
How come this happen ?
cd /oracle/11gR2/product/11.2.0/dbhome_1/network/admin
ls -l
[oracle@localhost admin]$ ls -l
total 16
drwxr-xr-x 2 oracle oinstall 4096 Jul 6 03:46 samples
-rw-r--r-- 1 oracle oinstall 187 May 9 2007 shrept.lst
cd /oracle/11gR2/grid/network/admin
[oracle@localhost admin]$ ls -l
total 16
drwxr-xr-x 2 oracle oinstall 4096 Jul 6 03:27 samples
-rw-r--r-- 1 oracle oinstall 187 May 9 2007 shrept.lst
[oracle@localhost admin]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 06-JUL-2011 23:29:38
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Starting /oracle/11gR2/product/11.2.0/dbhome_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.2.0 - Production
Log messages written to /oracle/11gR2/diag/tnslsnr/localhost/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.2.0 - Production
Start Date                06-JUL-2011 23:29:38
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Log File         /oracle/11gR2/diag/tnslsnr/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))
The listener supports no services
The command completed successfully
[oracle@localhost admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 06-JUL-2011 23:23:01
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.2.0 - Production
Start Date                06-JUL-2011 23:04:39
Uptime                    0 days 0 hr. 18 min. 25 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Log File         /oracle/11gR2/diag/tnslsnr/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))
Services Summary...
Service "+ASM" has 1 instance(s).
Instance "+ASM", status READY, has 1 handler(s) for this service...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully

From 11.2 onwards, if you are going to be adding a grid home , oracle would be starting a grid listener from there. This would be listening on the same port 1521 and would be using dynamic registration to add the services. The entries are coming from the default values if there is no listener.ora, there is one usually though.
HTH
Aman....

Similar Messages

Creating physical standby db through grid control 11g fails with "default listener is not running"

On step 4/6, i am getting error like below
ErrorExamine and correct the following error(s), then re-try the operation.Default Listener in Grid Infrastructure - The default listener in the grid infrastucture is not running.
I have the listener running on grid user and grid home, 11.2 in both primary and standby.
During these steps till 4, its no where asked for grid user password.
Not sure how it will detect the grid home listener.
Listener is running with default port 1521 on both the servers primary and standby
On the step 4 screen the other option for default listener is non-default listener and its pointing to db home and not grid home.
So i guess oracle is looking for the listener to be up on the db home and not on grid home causing the issues,
if so how to fix this ?
I am using role separation, separate user for grid and oracle homes grid and oracle user and all are on 11.2.0.1 db + grid

Hello again;
Check the solution in this: ( and note the multiple versions of oracle it covers )
UNABLE TO FIND GRID INFRASTRUCTURE LISTENER (Doc ID 1483234.1)
Best Regards
mseberg

Oracle 11g Express: listener/DB stopped regularly ...

Dear all,
we currently use oracle DB 11g express edition on Win XP in order to do nigthly test of our product accessing the DB via a JDBC driver. After two successful nightly test communicating via JDBC doesn't work anymore due to stopped DB listener. The first error message I got was "ORA-12518, TNS:listener could not hand off client connection", I fixed it via settings up maximum processes to 450, then I got the next error message where I don't know what to do "ORA-12560: TNS:protocol adapter error". Please can you help me since I need a stable DB for nightly continuous integration tests.
Thank you in advance, Andreas.

Bumping processes would seem to be a symptom fix, not a problem fix- if a session can't get a connection because available processes are at the max, must be some client programs with a bug/glitch where they aren't letting go of their session(s).
Eg. maybe hitting an exception block, and the code never sees a "close connection" call? Until that bug (the problem) gets fixed, increasing process limits is not going to be much of a fix. Just a guess, can't know for sure without seeing the code.
Anyways, for the ora-12560 something may have gone astray (or changed?) with host network adapter settings- hostname change? IP address change? IPv6? Is the host a DHCP client? Is there more than one NIC on the host? Do both the hostname and its IP address(es) resolve correctly? (... ipconfig /all ... `hostname` ... nslookup <hostname> ... nslookup <n.n.n.n> ...)
One item to try, stop the listener and move the listener.ora file "out of the way" (eg move listener.ora listener.ora.bk) as others have suggested here before. Any RDBMS install has its default listener, named LISTENER, and if all the default settings are OK for your setup then using that should work fine. Double checking that the listener service still shows in the services applet would also be advisable, only takes a moment ... Start/Run/services.msc ...
Another possible fix for ora-12560 is setting ...HOST=0.0.0.0... in listener.ora, that is the "any IPv4" address setting, but that is advisable only if the host has one NIC, otherwise the instance would be accepting connections at an address you might not want made available to remote clients.

Q:Multiple databases using Single default listener ??

I created a database on a host and have been using the default listener to connect to it - no entries in listener.ora/tnsnames.ora -
now I have another database created on the host (different service_names) , but am unable to connect to it using default listener
without making entry in tnsnames.ora .
Q - Why does this work for the first DB I created and not for the second ?
Edited by: user7480241 on May 28, 2009 8:16 PM
Additional details about the env
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL>
SQL> show parameter listener
NAME TYPE VALUE
local_listener string
remote_listener string
SQL> show parameter service_names
NAME TYPE VALUE
service_names string MAHARAJA
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> show parameter listener
NAME TYPE VALUE
local_listener string
remote_listener string
SQL> show parameter service_names
NAME TYPE VALUE
service_names string MAHARAJ2
SQL>
-bash-3.00$ lsnrctl service
LSNRCTL for Solaris: Version 10.2.0.2.0 - Production on 29-MAY-2009 11:19:01
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
Services Summary...
Service "MAHARAJ2" has 1 instance(s).
Instance "MAHARAJ2", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "MAHARAJ2_XPT" has 1 instance(s).
Instance "MAHARAJ2", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "MAHARAJA" has 1 instance(s).
Instance "MAHARAJA", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "MAHARAJA_XPT" has 1 instance(s).
Instance "MAHARAJA", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
The command completed successfully
-bash-3.00$ tnsping MAHARAJA
TNS Ping Utility for Solaris: Version 10.2.0.2.0 - Production on 29-MAY-2009 11:20:01
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
/export/home/oracle/network/admin/sqlnet.ora
Used EZCONNECT adapter to resolve the alias
Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=MAHARAJA.))(ADDRESS=(PROTOCOL=TCP)(HOST=10.0.2.15)(PORT=1521)))
OK (30 msec)
-bash-3.00$ tnsping MAHARAJ2
TNS Ping Utility for Solaris: Version 10.2.0.2.0 - Production on 29-MAY-2009 11:20:10
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
/export/home/oracle/network/admin/sqlnet.ora
TNS-03505: Failed to resolve name
DB & Global Names
SQL> show parameter name
NAME TYPE VALUE
db_file_name_convert string
db_name string MAHARAJA
db_unique_name string MAHARAJA
global_names boolean FALSE
instance_name string MAHARAJA
lock_name_space string
log_file_name_convert string
service_names string MAHARAJA
SQL> show parameter name
NAME TYPE VALUE
db_file_name_convert string
db_name string MAHARAJ2
db_unique_name string MAHARAJ2
global_names boolean FALSE
instance_name string MAHARAJ2
lock_name_space string
log_file_name_convert string
service_names string MAHARAJ2
SQL>

Why does this work for the first DB I created and not for the second ?Because Oracle tries to make it easy for folks.
listener.ora is not required for V10.
tnsnames.ora changes are required so SQL*Net can identify the 2nd DB; so do the necessary as document at http://tahiti.oracle.com

How to find Parameter values of a non-default listener using LSNRCTL

Hi,
I have a non-default listener with name like "lsnr_abcd" in non-default port.
I am on 10.2.0.4 database version. If I want to find out parameter values (like displaymode,dynamic_registration,etc)
for a non-default listener, which command should I use?
I know that for default listener, we can do the following
1) Execute lsnctl
2) show dynamic_registration
What should I execute if I want to get this details for a listener "lsnr_abcd"
Thank You
Sarayu

After setting your current listener to non default listener like this
lsnrctl> SET CURRENT_LISTENER lsnr_abcd
You can execute the further commands without your listener name
lsnrctl>set DISPLAYMODE
Edited by: vreddy on Jul 19, 2012 6:53 AM
Edited by: vreddy on Jul 19, 2012 6:54 AM

SCAN listeners and default listener all goes to 2nd node

I installed GRID/Oracle yesterday and I saw on the first node, there are scan-listener1,2 and on second node, it has scan-listner3.
This morning,I try to create db by dbca, and it give me a warning that there is no default listener on local node.
Then I checked, there is none any listener at all on local node:
ps -ef|grep tns
grid 31295 30685 0 13:47 pts/1 00:00:00 grep tns
but all on second node:
ps -ef|grep tns
grid 13518 1 0 00:14 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -inherit
grid 13536 1 0 00:14 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit
grid 15878 15566 0 13:48 pts/0 00:00:00 grep tns
grid 16945 1 0 06:22 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN3 -inherit
grid 16959 1 0 06:22 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN2 -inherit
How to explain this situation? How all the listener failed to second node?
WHere is the log I can check?
Thanks

Thanks for your help.
Here are results from commands you recommended:
[grid@oracle01. bin]$ ./crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
[grid@oracle01. bin]$ ./crsctl check cluster -all
oracle01:
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
oracle02:
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
[grid@oracle01. bin]$ ./crsctl stat res -t
NAME TARGET STATE SERVER STATE_DETAILS
Local Resources
ora.LISTENER.lsnr
OFFLINE OFFLINE oracle01
ONLINE ONLINE oracle02
ora.OCR_VOTE.dg
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
ora.REME_DAT.dg
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
ora.REME_FRA.dg
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
ora.asm
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
ora.gsd
OFFLINE OFFLINE oracle01
OFFLINE OFFLINE oracle02
ora.net1.network
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
ora.ons
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
ora.registry.acfs
ONLINE ONLINE oracle01
ONLINE ONLINE oracle02
Cluster Resources
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE oracle02
ora.LISTENER_SCAN2.lsnr
1 ONLINE ONLINE oracle02
ora.LISTENER_SCAN3.lsnr
1 ONLINE ONLINE oracle02
ora.cvu
1 OFFLINE OFFLINE
ora.oc4j
1 ONLINE ONLINE oracle01
ora.oracle01.vip
1 ONLINE INTERMEDIATE oracle02 FAILED OVER
ora.oracle02.vip
1 ONLINE ONLINE oracle02
ora.scan1.vip
1 ONLINE ONLINE oracle02
ora.scan2.vip
1 ONLINE ONLINE oracle02
ora.scan3.vip
1 ONLINE ONLINE oracle02
[grid@oracle01. bin]$
You can see here ora.oracle01.vip has failed over to second node. what is the cause of this issue?
Thanks.

Trying to add another DB under SCAN via DBCA "Default listener LISTENER is not Configured in the grid infrastructure home"

Trying to install another DB under RAC using SCAN listener on a new port. DBCA gives error "Default listener LISTENER is not Configured in the grid infrasturcture home".
Have tried srvctl config listener, srvctl start listener to start the listener. Still not able to get past the DBCA error. What am I missing? Do not want to start LISTENER on port 1521 as SCAN is running on 1521.

No your Database config does use hostname/ip + port or a tns-entry pointing to the local_listener. Neither method does care for the home the listener is running from.
You will however have to take care of the entries in the clusterware, as the listener is a controlled resource. If you manually relocate it, then it will only work until next restart of crs stack.
The simplest way to switch the home is by running first netca from database home and delete the listener and then switch to grid home run netca again and create the listener.
netca will take care of registering it with crs with the correct environment settings. You will have a short period where your rac won't have a listener and therefore won't accept new connections until the new listener is up and running.
Relocating the current listener requires to modify several parameters via crsctl in the cluster registry, but allows doing this node by node without complete outage.
If you want to go that way, then create another listener from grid home and compare the settings of current listener and of the new listener. You will need to update several parameter before you can relocate it.
Run this command to show the current settings and compare it to the listener from grid home:
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You will need to modify serveral parameters, ACTION_SCRIPT,AGENT_FILENAME,ALIAS_NAME,ORACLE_HOME and the ACL
Modify works like this, for ACL you must use the encasing single apostrophe ' and run it as root:
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I would recommend Version 1 if short outage is acceptable. For both variants verify that you can resolve all tnsnames entries in both homes.
Regards
Thomas

Grid control and non-default listener

I have oem 10.2.0.5 on linux redhat 5
i have a series of databases with 2 oracle homes on solaris.
1. we use virtual IPs instead of the host ip. so one IP for each database. This is due to our active/passive cluster. I have read the documentation on this. I was able to configure for this by taking the tnsnames file and using that in the target configration.
My problem now is that the OEM sees my listener as being down. I think this is because it is looking for the default listener on port 1521. We have 1 listener per database and they are on non-default ports. This is for our active/passive failover.
how do I configure the target to look for the correct listener? so I do not have a listener called listner.
My listener has the same name as the database name and is on the same port as my database.

Guess2 wrote:
I have oem 10.2.0.5 on linux redhat 5
i have a series of databases with 2 oracle homes on solaris.
1. we use virtual IPs instead of the host ip. so one IP for each database. This is due to our active/passive cluster. I have read the documentation on this. I was able to configure for this by taking the tnsnames file and using that in the target configration.
My problem now is that the OEM sees my listener as being down. I think this is because it is looking for the default listener on port 1521. We have 1 listener per database and they are on non-default ports. This is for our active/passive failover.
how do I configure the target to look for the correct listener? so I do not have a listener called listner.
My listener has the same name as the database name and is on the same port as my database.Your database isn't "on" a port, so the fact that you make a statement like "My listener . . . is on the same port as my database." indicates you don't yet have a clear understanding of the relationship of the listener to the database. The fact that you would name your listener the same as your database further indicates you don't yet have a clear understanding of the relationship of the listener to the database.
The database (actually, we're talking about the instance) really has no inherent relationship to the listener. The listener is just a connection broker. One listener, listening on one port, can service requests for multiple databases, even multiple versions (9.x, 10.x) databases, even databases running out of different homes. For that reason alone, I consider it bad practice to name a listener the same as a database. That implies a relationship that simply doesn't exist. Only under extraordinary circumstances would it be necessary to have more than one listener running on a server, regardless of how many database instances may be on that server. And for that reason it really doesn't make much sense to name your listener anything but the default - "listener".
You configure your listener to listen on a certain ip and port. You configure your clients (via tnsnames or other naming method) to send connection requests to the ip and port the listener was configured to listen for, requesting a connection to a service name the listener knows about. The listener knows about service names either through coding in the SID_LIST section of listener.ora, or through self-registration by the instance.
I worked with active/passive clusters with virtual IP's a few years ago and there was really nothing special I had to do as far as the databases, clients, or listeners.

Dont need default LISTENER

Default listener auto starts which i dont need, i only need LISTENER_TEST , how to delet it permanently or stop it permanently?
[oracle@localhost admin]$ ps -ef | grep tns
oracle 2553 1 0 12:50 ? 00:00:00 tnslsnr LISTENER -inherit
oracle 8042 1 0 16:04 ? 00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_TEST -inherit
oracle 8101 7961 0 16:08 pts/1 00:00:00 grep tns

Sybrand,
on Oracle 9i and higher you get a listener called listener on port 1521, even if you don't configure it explicitlyI maybe miss something, could you explain please ?
Here is my try, I don't get any listener process on 1521 :
[ora102@orion:/apps/oracle/10.2.0/network/admin]DEMO102$ more listener.ora
LISTENER_TEST =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = orion.phoenix-nga)(PORT = 1522))
[ora102@orion:/apps/oracle/10.2.0/network/admin]DEMO102$ lsnrctl start LISTENER_TEST
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 10-JUN-2008 23:21:50
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Starting /apps/oracle/10.2.0/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 10.2.0.4.0 - Production
System parameter file is /apps/oracle/10.2.0/network/admin/listener.ora
Log messages written to /apps/oracle/10.2.0/network/log/listener_test.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orion.phoenix-nga)(PORT=1522)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
Alias                     LISTENER_TEST
Version                   TNSLSNR for Linux: Version 10.2.0.4.0 - Production
Start Date                10-JUN-2008 23:21:50
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /apps/oracle/10.2.0/network/admin/listener.ora
Listener Log File         /apps/oracle/10.2.0/network/log/listener_test.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=orion.phoenix-nga)(PORT=1522)))
The listener supports no services
The command completed successfully
[ora102@orion:/apps/oracle/10.2.0/network/admin]DEMO102$ ps -ef | grep tns
ora102    6048     1 4 23:21 ?        00:00:00 /apps/oracle/10.2.0/bin/tnslsnr LISTENER_TEST -inherit
ora102    6049 6048 0 23:21 ?        00:00:00 /apps/oracle/10.2.0/bin/tnslsnr LISTENER_TEST -inherit
ora102    6050 6049 0 23:21 ?        00:00:00 /apps/oracle/10.2.0/bin/tnslsnr LISTENER_TEST -inherit
ora102    6051 6049 0 23:21 ?        00:00:00 /apps/oracle/10.2.0/bin/tnslsnr LISTENER_TEST -inherit
[ora102@orion:/apps/oracle/10.2.0/network/admin]DEMO102$Nicolas.

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I am using oracle 10.2.0.3 in IBM AIX.
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user623166 wrote:
Is there any way to edit live database listener from another server ? if yes , please let me know the process.The file that contains the configuration details of the listener is listener.ora and any changes done over it would require the file to be re-read . This would require the listener to be stopped and restarted. The impact would be only this that the new incoming connection requests would have to wait.
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Hi
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anyway, now am getting new error: ORA-00020: maximum number of processes (150) exceeded
I get this error when trying to login to SQL plus, or create/configure database.
I tried deleting oracle 11g via universal installer i get message saying run the command c:\...dbhome_1\deinstall\deinstall
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Sorry dude..I wish I worked on 11g and know this.

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Graham

It is the same problem which occurs with every Oracle product ending up in a different home, so this question is asked over and over again by people who never read anything and assume they are unique.
I can guarantee you: you are not unique, you are just one of a horde of millions, not reading installation manuals, not researching anythinjg, but just dumping this error in some forum (maybe all forums you can spell), including the wrong ones, like this one.
So here goes, YET AGAIN:
You have MULTIPLE tnsnames.ora floating around, and either you need to set them or you need to set TNS_ADMIN, AS DOCUMENTED.
PLEASE READ THOSE DOCS, THEY ARE WRITTEN FOR YOU TO READ THEM, INSTEAD OF ASKING OTHERS TO DO FOR FREE WHAT YOU COULD HAVE DONE.
WHY DO PEOPLE NEVER READ?
IF YOU BUY A CAR, YOU LEARN TO DRIVE FIRST, ISN'T IT?
Sybrand Bakker
Senior Oracle DBA

11g default listener

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