ORA - Listener question!!

Hi Friends,
In the listener.ora parameter is set to ADMIN_RESTRICTIONS_LISTENER = ON
To rotate the log without having to download the listener, we need these restrictions are in 'OFF'.
Is it imperative for the proper functioning of SAP on Oracle ADMIN_RESTRICTIONS_LISTENER is in 'ON'?
Thanks in advance.
Martin Sello

> In the listener.ora parameter is set to ADMIN_RESTRICTIONS_LISTENER = ON
Ok....
> To rotate the log without having to download the listener, we need these restrictions are in 'OFF'.
What? "Download" the listener?
Why would you need to have the ADMIN_RESTRICTIONS off in order to get a new listener log file?
How about just restarting the listener?
(I mean you are the DBA of this machine and you know the password, don't you ? )
> Is it imperative for the proper functioning of SAP on Oracle ADMIN_RESTRICTIONS_LISTENER is in 'ON'?
Nope, SAP does not know about this setting.
In fact no Oracle client would ever know about it.
It's a server side setting.
It's just about the listener.
cheers,
Lars

Similar Messages

Questions on sqlnet.ora, listener.ora files in RAC environment.

Experts,
I've some confusion with below files in RAC environment.
sqlnet.ora
listener.ora
These files are available in two locations: <GRID_HOME> & <DB_HOME>.
My questions:
1. Why do we have two versions of files ?
2. When I query lsnrctl status from BOTH the homes, it says it is using listener.ora from <GRID_HOME> as shown below.
Listener Parameter File D:\app\11.2.0\grid\network\admin\listener.ora
3. What is the use of files which are in <DB_Home>
4. If you make some changes to listener using "Netmgr" tool, we expect it will update listener.ora in <GRID_HOME>. Interestingly, it is changing the contents of listener.ora in <DB_HOME> .
Can anyone please clarify it ?
Thanks in advance.

859875 wrote:
1. Why do we have two versions of files ? In the past, the CRS s/w did not include ASM (ASM did not provide support for cluster voting and registration disks). Thus the networking components such as SQL*Net and the Listener were not part of the CRS installation.
With Grid Infrastructure, ASM supports cluster voting and registration disks and is recommended to be used for that (as oppose to the old style of raw disks or using an external cluster-based cooked file system like <i>ocfs</i>). And with ASM comes the SQL*Net networking layer and s/w (such as the Listener). As ASM ships with Grid Infrastructure, it now also includes the same networking layer as what the RDBMS installation will. Thus both <GRID_HOME> and <DB_HOME> will contain the same networking components.
However, only a single Listener is for example needed. And that can only run from a single base location. So for operational use, only one version will be actively in use.

Another RAC Listener question

Hi all
Would anyone be able to point me in the right direction as to trouble shoot the following. On one of my RAC nodes I am getting the following.
When I run: srvctl status listener
I get
PRCR-1035 : Failed to look up CRS resource for ora.listener.type
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
When I run: lsnrctl services listener
I get
LSNRCTL for 64-bit Windows: Version 11.2.0.2.0 - Production on 13-JUN-2011 14:55
:00
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
The listener supports no services
The command completed successfully
Thanks to anyone who can point me in the right direction.

Hi there - please see below:
Node2:
CRS-601: Internal error
RC: 11, File: clsCheckParser.cpp, Line: 907
CRS-4000: Command Check failed, or completed with errors.
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4000: Command Status failed, or completed with errors.
Node1:
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
A Big list of reourceses appears for the status resource command for Node 1
Thanks

Tnsnames.ora, sqlnet.ora & listener.ora files are not exit

DB version: 10.2
Hello All,
I just joined the project and notice tnsnames.ora, sqlnet.ora & listener.ora files are not exit under $ORACLE_HOME/network/admin.
But still we can connect to the database,
From command prompt or via enterprise manager studio from client site.
Any idea?
OR
what is the best way to create above files in the existing database?
DN

tnsnames.ora and sqlnet.ora are client side files, listener.ora and sqlnet.ora are server side files.
Listener.ora need not exist if using defaults and dynamic registration of services. It may be possible to cope without all those files, depending on the environment.
Is the database on the local or remote computer and how are you connecting (from sqlplus)?
Maybe you have a tnsnames.ora somwhere else? (Try using find command) Maybe TNS_ADMIN is set?

Move ora.LISTENER.lsnr

Hi gurus,
we have an Oracle RAC 11.2.0.3 (2 nodes) in RedHat 5.3.
we had an old ORACLE_BASE with the old configuration of Oracle RAC, but we migrated some months ago for some problems and we have some parameters with /u01/app/oracle (old ORACLE_BASE) instead of /u02/app/oracle (new ORACLE_BASE).
For example:
[oracle@node1~]$ srvctl config database -d RAC -a
Database unique name: rac
Database name: rac
Oracle home: /u02/app/oracle/product/11.2.0.3/dbhome_2
Oracle user: oracle
Spfile: +DATA/rac/spfilerac.ora
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: rac
Database instances: node2,node1
Disk Groups: DATA, F_R_A
Mount point paths:
Services:
Type: RAC
Database is enabled
Database is administrator managed
[oracle@node1 ~]$ echo $ORACLE_BASE
/u02/app/oracle
but when i do
[oracle@node1~]$ /u02/app/grid/bin/crsctl stat res ora.LISTENER.lsnr -p|grep -i base
USR_ORA_ENV=ORACLE_BASE=/u01/app/oracle
[oracle@node1~]$ srvctl getenv listener
LISTENER:
ORACLE_BASE=/u01/app/oracle
so my idea is change the ORACLE_BASE doing (i look for that sentences in google and tahiti):
[oracle@node1~]$GRID_HOME/bin/crsctl modify resource ora.LISTENER.lsnr -attr USR_ORA_ENV=ORACLE_BASE=/u02/app/oracle
i saw a different form to do:
[oracle@node1~]$GRID_HOME/bin/srvctl setenv listener -l LISTENER -t "ORACLE_BASE=/u02/app/oracle"
with form is the correct, or i must do both? should i restart the listener after execute it? or restart database?
sorry for my bad english and thanks for help.

Me_101 wrote:
Hi gurus,
we have an Oracle RAC 11.2.0.3 (2 nodes) in RedHat 5.3.
we had an old ORACLE_BASE with the old configuration of Oracle RAC, but we migrated some months ago for some problems and we have some parameters with /u01/app/oracle (old ORACLE_BASE) instead of /u02/app/oracle (new ORACLE_BASE).
For example:
[oracle@node1~]$ srvctl config database -d RAC -a
Database unique name: rac
Database name: rac
Oracle home: /u02/app/oracle/product/11.2.0.3/dbhome_2
Oracle user: oracle
Spfile: +DATA/rac/spfilerac.ora
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: rac
Database instances: node2,node1
Disk Groups: DATA, F_R_A
Mount point paths:
Services:
Type: RAC
Database is enabled
Database is administrator managed
[oracle@node1 ~]$ echo $ORACLE_BASE
/u02/app/oracle
but when i do
[oracle@node1~]$ /u02/app/grid/bin/crsctl stat res ora.LISTENER.lsnr -p|grep -i base
USR_ORA_ENV=ORACLE_BASE=/u01/app/oracle
[oracle@node1~]$ srvctl getenv listener
LISTENER:
ORACLE_BASE=/u01/app/oracle
so my idea is change the ORACLE_BASE doing (i look for that sentences in google and tahiti):
[oracle@node1~]$GRID_HOME/bin/crsctl modify resource ora.LISTENER.lsnr -attr USR_ORA_ENV=ORACLE_BASE=/u02/app/oracle
i saw a different form to do:
[oracle@node1~]$GRID_HOME/bin/srvctl setenv listener -l LISTENER -t "ORACLE_BASE=/u02/app/oracle"
Both are same and cane be used, but usually we use srvctl for LOCAL resource and crsctl for GLOBAL resources.
Since LISTENER is running on both the nodes and is a LOCAL resource,so suggest to use srvctl.
Also it can be done with following:
srvctl modify listener -l LISTENER -o /u01/app/oracle/product/11.2.0/dbhome_1
Oracle_home is /u01/app/oracle/product/11.2.0/dbhome_1 in my case
with form is the correct, or i must do both? should i restart the listener after execute it? or restart database?
Both method are not required. Restart of DB is not required but listener is.
HTH

Tnsnames.ora / listener.ora files on Oracle Standby Database

Hi I am configuring an Oracle Standby Database to my production system 4.7 and Oracle 9.2.0.4
My production server is: PR01
Database SID: PRD
Standby database server is: PRDR
Database SID: PRD
I have already configured the server to a standby database offline backup. Was generated the control files of the standby database and the database is in standby mode.
Now I will create a script to start the synchronization of offline redolog from the production server to standby server.
I have a question: in the document SAP Oracle Standby Database, tells me I should change the tnsnames.ora production server pointing to an additional entry disaster recovery server. The tnsnames.ora file must have two entries??? corresponding to a production server and another to the disaster recovery server??
In several links of oracle tells me I should configure listener.ora disaster recovery server that is true??
Guys my question is: where should I change my listener.ora and tnsnames.ora files?
Please clear my doubt.
Best regards,
Desiree

Hi Desiree,
The entry in your TNSNAMES.ORA is a nothing but a tns service, when you define archive log destination it will point to a service. This service's host name will be resolved in your tnsnsmaes.ora file.
Below is the eg of an entry in pfile:
*.log_archive_dest_2='SERVICE=<service_name> ARCH OPTIONAL'
Below is the entry in your tnsnames.ora file
<service_name>.WORLD=
(DESCRIPTION = (ADDRESS_LIST = (ADDRESS =
          (COMMUNITY = SAP.WORLD)
          (PROTOCOL = TCP)
          (HOST = <DR_HOST>)
          (PORT = 1527)
    (CONNECT_DATA =
       (SID = <DB_SID>)
       (GLOBAL_NAME = <DB_SID>.WORLD)
So, your tnsnames.ora will have one entry for your host and the other for the DR host, i.e two entries.
Listener entry for the convenience when there is a switch over.
Regards,
Bala

10g listener question

Hi
All,
First question
When I do some minor modification in tnsnames.ora. Do I Need to stop and start listener again.
Second question
And If I want to stop and start listener Do I need to stop all the databases before I can stop and start listener ? (9i and 10g)
Thanks,
Vishal

When I do some minor modification in tnsnames.ora. Do I Need to stop and start listener again.No, tnsnames.ora is totally independant to the listener.
And If I want to stop and start listener Do I need to stop all the databases before I can stop and start listener ? (9i and 10g)No, the listener is used only to connect new client to the server, once the connection is done, listener is not used anymore for that connection.
Note you can reload instead of stop and start the listener.
Micolas.

11.2.0.3 upgrade to 12.1.0.2 - listener question

I am currently doing a database upgrade from 11.2.0.3 to 12.1.0.2. The server has a number of other 11g database instances which have not yet been upgraded and the listener on teh server is 11g. Should i be creating a 12c listener for the upgrade i.e. having two listeners on the same server or what's the best way to tackle this scenario? thank you.

You don't need the 12c listener for the upgrade. Create the 12c listener.ora file, but do not start the listener. Once the upgrade completes, shut down the 11g listener and start the 12c listener.
Alternatively, install the 12c binaries, create the 12c listener.ora file, shutdown the 11g listener, start the 12c listener, then perform the upgrade.

Tnsnames.ora General Question

We are experiencing a problem that many different users seem to have many different versions of tnsnames.ora. We want to create our "gold" version and ensure that everyone uses the same one. Two questions:
1. Is the "alias" that you give each connection case sensitive? For instance if I name one connection Prod is that the same as PROD?
2. At another place I worked I was under the impression that most applications (PL/SQL Developer for sure) uses the Windows PATH environment variable to locate tnsnames.ora by going through all directories listed in the variable and using the first occurrence of tnsnames.ora that it found. Through a little testing and renaming and such I have found that this doesn't appear to be the case. We are using ADI, Discoverer, different development tools, etc and would like to avoid having more than one location where the file is stored. What is the best way around that or is there a way? I assume that it depends somewhat on each application.
Thanks in advance for the help!

PL/SQL Developer Help->Support Info TNS Names tab shows that C:\oracle\ora92\network\admin\tnsnames.ora is used as my tnsnames.ora for the application. I don't have an ORA_HOME environment variable. So where is it coming from? The path above is in my PATH variable.
So it is different for every application?
I don't have TNS_ADMIN environment variable either.
Sorry for the dumb questions. I just want to be 100% clear.
Message was edited by:
mateoc15

ORA-03136 Question

We have a database that is logging ORA-03136 messages in the log. One of our analysts is pouring through network sniffer packets looking for port 1521 packets with a payload that contains this error. My question is: Is this error something that the client generates and passes to the DB or is it generated locally and logged locally? My thought is the latter but I want to get some confirmation before proceeding.
Thanks.

bobthesungeek76036 wrote:
We have a database that is logging ORA-03136 messages in the log. One of our analysts is pouring through network sniffer packets looking for port 1521 packets with a payload that contains this error. My question is: Is this error something that the client generates and passes to the DB or is it generated locally and logged locally? My thought is the latter but I want to get some confirmation before proceeding.
Thanks.
03136, 00000, "inbound connection timed out"
// *Cause: Inbound connection was timed out by the server because
//          user authentication was not completed within the given time
//          specified by SQLNET.INBOUND_CONNECT_TIMEOUT or its default value
// *Action: 1) Check SQL*NET and RDBMS log for trace of suspicious connections.
//          2) Configure SQL*NET with a proper inbound connect timeout value
//             if necessary.I have seen this from home brew badly coded Java application

ORA-04031 question

We got a ORA-04031: unable to allocate 32 bytes of shared memory ("shared pool","select name,online$,contents...","sql area","tmp"). (BTW. What does this "tmp" mean?)
Noone was able to login to server for about 5 minutes and then it came back to life.
I queried system views, and found out that during the time when database was unavalable, our ASMM tried to grow shared pool and shring buffer cache. It returned an error about 300 times, and (around the time when db came to life) suceeded increasing shared pool from 304 MB to 320 MB.
How can i find out what cused the errors during the resize?
Besides that, free memory in shared pool was 164 MB. I did found this document 451960.1, suggesting it could be a bug (not sure if it's fixed in later versions though).
Also, one side question. What exactly is "KGH: NO ACCESS" part of shared pool? As i understand that part is the memory that is in transit during the resizing of buffer cache/shared pool. But why is it so large all the time (400 MB in my case) ? Should it ever shrink? Resize is not happening all the time, and when it is, it's not that large.
Database is 10.2.0.2 on AIX.

You need to open TAR in Oracle support.
You can also check streams pool size parameter (it is exists in 9.2.0.6). By default Oracle allocated 10% of shared pool for streams but started from 9.2.0.6 you can change streams pool size. There is some minimum recomendation for streams pool. Looks like your streams pool is very small.

TSNnames.ora & Listener.ora - Where do I find these files

Greetings!
I'm trying to connect from a SQL server to an Oracle server through the SQL management studio's Linked Server. I'm a bit confused as I get the error ORA 12504, which it says "Listener was not given the SERVICE_NAME in CONNECT_DATA" .
Where are these files suppouse to be? In the SQL server or the Oracle Server? I did a search in both servers and I don't get any results with the mentioned files names. What do I need to have them?
If someone could point me to an article or some guide, I would be in great debt as I need to figure this out preety soon.
Thanks!

Hello,
YOu can find these files on oracle server under $ORACLE_HOME/admin/network directory.
Examples of listener.ora_
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = <hostname where database is running>)(PORT = 1521))
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME =<path to oracle home>)
      (PROGRAM = extproc)
    (SID_DESC =
      (GLOBAL_DBNAME = <database instance name>)
      (ORACLE_HOME =<path to oracle home>)
      (SID_NAME = <your database instance name>)
Example of tnsames.ora_
<your database instance name>=
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = <hostname where database is running>)(PORT = 1521))
    (CONNECT_DATA =
      (SERVICE_NAME =<your database instance name>)
)Regards
Edited by: OrionNet on Jan 26, 2009 1:23 PM

Configuring tnsnames.ora / listener.ora with HOST = localhost

Dear Oracle experts,
presently I'm trying to configure an Oracle installation on a Win2k server
to work with HOST = localhost entries in my tnsnames.ora and listener.ora.
I have to do that because I want to use that Oracle installation as an image
for several computers which will get different IPs and computer names.
My problem is, taht I only can configure my entries with a real IP adres (127.0.0.1 does not work ) or with the present name of the system but not with localhost or 127.0.0.1.
My listener.ora looks like below :
# listener.ora Network Configuration File: D:\oracle\product\10.1.0\Db_1\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SDU = 4096)
(SID_NAME = EMS)
(ORACLE_HOME = D:\oracle\product\10.1.0\Db_1)
(PRESPAWN_MAX = 10)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost )(PORT = 1521))
The listener above lead to a
ERROR - ORA-12541: TNS:no listener
if I try to connect via iSQLPlus. If I exchange HOST = localhost with HOST = mydnsname the I can connect to the computer via isqlplus.
Is there any possibility to configure the listener and tnsnames without using real IP adresses ?
Best regards,
Daniel Wetzler

Hi maran,
thanks for your answer.
i started the listener from cmd and had the output below :
C:\Documents and Settings\ECS>lsnrctl start
LSNRCTL for 32-bit Windows: Version 10.1.0.2.0 - Production on 22-MAR-2007 16:04
:32
Copyright (c) 1991, 2004, Oracle. All rights reserved.
Starting tnslsnr: please wait...
TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Production
System parameter file is D:\oracle\product\10.1.0\Db_1\network\admin\listener.or
a
Log messages written to D:\oracle\product\10.1.0\Db_1\network\log\listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Produ
ction
Start Date 22-MAR-2007 16:04:33
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File D:\oracle\product\10.1.0\Db_1\network\admin\listener.o
ra
Listener Log File D:\oracle\product\10.1.0\Db_1\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "EMS" has 1 instance(s).
Instance "EMS", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\Documents and Settings\ECS>
In my listener.log I found the following information :
TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Production on 22-MAR-2007 16:11:42
Copyright (c) 1991, 2004, Oracle. All rights reserved.
System parameter file is D:\oracle\product\10.1.0\Db_1\network\admin\listener.ora
Log messages written to D:\oracle\product\10.1.0\Db_1\network\log\listener.log
Trace information written to D:\oracle\product\10.1.0\Db_1\network\trace\listener.trc
Trace level is currently 0
Started with pid=1672
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
22-MAR-2007 16:11:43 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=ECS))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=168821248)) * status * 0
So it seems that my lister is running fine, isn't it ?
But I cannot conect to my database....
I pasted my tnsnames.ora below.
Perhabs there's a bug I didn't fins yet. But if I replace in both files t(tnsnames.ora and listener.ora the "localhost" with my local IP it works just fine...
# tnsnames.ora Network Configuration File: D:\oracle\product\10.1.0\Db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
SIG =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost )(PORT = 1521))
(CONNECT_DATA =
(SERVER = SHARED)
(SERVICE_NAME = SIG)
Hpe someone can help.....
Best regards,
Daniel

Listener question

Hello All,
I have oracle 10g and 9i running on Solaris 9. The 9i was installed after 10g was installed. Now I cannot get 9i listner to work properly and getting following error messages and not sure how to resolve it.
TNS-12542: TNS:address already in use
TNS-12560: TNS:protocol adapter error
TNS-00512: Address already in use
Solaris Error: 125: Address already in use
12618, 00000, "TNS:versions are incompatible"
Any pointers and help will be appreciated.
Thanks

You may not need to run the two listeners. Register the 9i Database with the 10g Listener and restart the listener.
Or
As mentioned already check the file $ORACLE_HOME/network/admin/Listener.ora for both 10g and 9i. Change the default port for one of the two homes and restart the listener ouy the home you changed.
Note: It is better to change the latest Listener that no TNS connections have already been configured to use in order not to go reconfiguring tnsnames.ora files. So the choice of which home's listener port to change should be make carefully.

RAC Listener question

Hi all
I have a 2 node RAC and when I run the command lsnrctl services on node 2 I get a list of services back, but when I run the same on node 1 I get
The listener supports no services
is this normal or should I be receiving a list on both nodes?
I am basically trying to get to the bottom of why one of my databases on this RAC implementation keeps giving me a Io exception: The Network Adapter could not establish the connection in EM, but I have not managed to find an actual error number for this yet.
Thanks
Edited by: Kwisatz78 on Jul 4, 2011 8:21 AM

Hi there
I looked at that link. Both my Listener.ora files are the same, they both say the following:
LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER))))          # line added by Agent
LISTENER_SCAN3=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN3))))          # line added by Agent
LISTENER_SCAN2=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN2))))          # line added by Agent
LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1))))          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN2=ON          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN3=ON          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON          # line added by Agent
This is strange to me and am thinking its because we are using a RAC system that the Listener.ora is like this. The thing is they are both the same anyway yet only one node is pulling back information correctly. Could the endpoints be the problem as per my post above?
Thanks

ORA - Listener question!!

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