Listener response to a TNS ping is 144140 msecs

Hi Gurus,
I am using Oracle 10gR2 on Windows2003 64 Bit. Some times i am getting " Listener response to a TNS ping is 144140 msecs " alert from database control windows. At the time of error users are not able to access the database but after sometimes it automatically gets cleared.
This is happening very frequently and production users are facing problem. Can somebody help me in getting the resolution for this.
Thanks
Vivek

Compare "tnsping" timings with "ping" timings. Collect samples at frequent intervals and see if you can discern a pattern -- for example, is it a network timeout or a firewall timeout after N minutes or is at a certain times of the day.
Hemant K Chitale

Similar Messages

  • Listener response to a TNS ping is 200 msecs

    I am getting this aletr in Ent. mgr
    Listener response to a TNS ping is 200 msecs
    What is this and how to bring it down
    Chaand Kackria

    possibly you (or em) did reload the listener to read the configuration file. In that moment, the tnsping can take up to a few seconds
    HTH
    Laurent Schneider
    OCM DBA

  • Listener response to a TNS ping is 220 msecs

    Hi,
    i'm getting this alert when i try to connect Oracle10g database.
    thanks

    I’m using Windows Advanced Server 2000 operating system. This server is in domain network. I have installed oracle10g database 10.1.0.2.0 and oracle10g developer suite on same server in different homes
    When I try to connect oracle from Oracle10g database home there is a no problem but from oracle10g developer suite home it’s takes long time to connect database around 1 min.
    I tried both ip address and name but result is same.
    There is no LDAP server and CITRIX involved.
    ===Developer Suite TNSNAMES.ORA file
    # tnsnames.ora Network Configuration File: E:\DevSuiteHome\NETWORK\ADMIN\tnsnames.ora
    # Generated by Oracle configuration tools.
    ORACLE =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = oracle.Sunflag-tz)(PORT = 1521))
    (CONNECT_DATA =
    (SERVICE_NAME = sununga)
    EXTPROC_CONNECTION_DATA =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = oracle.Sunflag-tz)(PORT = 1521))
    (CONNECT_DATA =
    (SERVICE_NAME = PLSExtProc)
    ===Oracle Database TNSNAMES.ORA file
    # tnsnames.ora Network Configuration File: F:\oracle\product\10.1.0\db_1\network\admin\tnsnames.ora
    # Generated by Oracle configuration tools.
    oracle =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = oracle.Sunflag-tz)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
    (SERVICE_NAME = sununga)
    EXTPROC_CONNECTION_DATA =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
    (CONNECT_DATA =
    (SID = PLSExtProc)
    (PRESENTATION = RO)
    Both are on same server so there is no point to check network ping and trace route.
    Please help me on this issue.
    Thanks

  • Listener response to a TNS ping is 2,010 msecs

    Host=hostname
    Target type=Listener
    Target name=[ https://0058-WIN-S51.cis.ccsd.net:7800/em/redirect?pageType=TARGET_HOMEPAGE&targetName=LISTENER_SCAN1&targetType=oracle_listener ]LISTENER_SCAN1_ora-sx-rac
    Message=]Listener response to a TNS ping is 2,010 msecs
    Severity=Critical
    Oem 12c keeps give this alert all day.
    4 node RAC 11.2.3.0.5 version
    solaris OS.
    why it's causing tnsping 2010????

    From the Metric Reference Manual
    http://docs.oracle.com/cd/E24628_01/em.121/e25160/oracle_listener.htm#CCHCCDHJ
    Response Time (msec)
    This metric represents the time (in milliseconds) that it takes for the Listener to respond to a network request (ping).
    By default, this metric has a critical threshold of 100 and a warning threshold of 80. A critical alert is generated when the metric value exceeds the critical threshold value 1 time. A warning alert is generated when the metric value exceeds the warning threshold value 1 time. You can edit the value for a threshold as required.
    By default, Enterprise Manager tests the value of this metric every 24 hours.
    When an alert is generated, the alert text is:
    Listener response to a TNS ping is %value% msecs
    Data Source
    The value of this metric is derived using the TNSPING command.
    2010 ms is abnormally high. May be there is some issue wiith your netowrk.

  • Listener response to a TNS ping

    We are receiving an EM Alert quite frequently with the following info
    Severity=Critical
    Message=Listener response to a TNS ping is 330 msecs
    Rule Name=Listerner Status
    The listener is working fine but we keep getting this alert, any suggestions or comments of why it is happening or how to stop it?
    thanks
    sha

    You're getting it becuase the response time is 330msecs!!
    If you feel you should not be alerted for this, just edit the metric accordingly and put a higher value in for the critical state.
    Not difficult

  • Listener response.

    Hi all experts,
    Our environment is 11gR2 in windows. I am getting this followig errors through grid control.
    Host=xxxx.xxxx..com
    Target type=Listener
    Target name=LISTENER_SCANx_xxxxxx-scan
    Message=Listener response to a TNS ping is 28,580 msecs
    Severity=Critical
    Event reported time=Sep 30, 2013 10.00:03 AM EDT
    Operating System=Windows
    Platform=x64
    Associated Incident Id=102525
    Associated Incident Status=New
    Associated Incident Owner=
    Associated Incident Acknowledged By Owner=No
    Associated Incident Priority=None
    Associated Incident Escalation Level=0
    Event Type=Metric Alert
    Event name=Response:tnsPing
    Metric Group=Response
    Metric=Response Time (msec)
    Metric value=28580
    Key Value=
    Rule Name=xxx - Metric Alert,Fatal_Critical
    Rule Owner=SYSMAN
    Update Details:
    Listener response to a TNS ping is 28,580 msecs
    Incident created by rule (Name = Incident management Ruleset for all targets, Incident creation Rule for metric alerts.; Owner

    OS is responsible for any and all network packet exchanges.
    Oracle is the victim; not the culprit.
    windows are rectangular openings in walls & typically containing glass so not sure what these have to do with Oracle listener response

  • TNS-01150: The address of the specified listener name is incorrect  TNS-011

    Hi Gurus,
    Good day!
    I would like to seek your expertise on how to resolve the errors below:
    TNS-01150: The address of the specified listener name is incorrect
    TNS-01153: Failed to process string: (ADDRESS=(COMMUNITY=sap.world)(PROTOCOL=TCP)(Host=155.125.167.74)(Port=1521))
    Here's my listener.ora configuration:
    LISTENER =
    (ADDRESS_LIST =
    (ADDRESS =
    (COMMUNITY = SAP.WORLD)
    (PROTOCOL = TCP)
    (HOST = 155.125.167.74)
    (PORT = 1521)
    STARTUP_WAIT_TIME_LISTENER = 0
    CONNECT_TIMEOUT_LISTENER = 0
    TRACE_LEVEL_LISTENER = OFF
    SID_LIST_LISTENER =
    (SID_LIST =
    (SID_DESC =
    (SID_NAME = L50)
    (ORACLE_HOME = /oracle/L50/102_64)
    Appreciate your help.
    Cheers,
    Virgilio

    SQL NET files has own stream format:
    bash-2.05$ cat listener.ora
    # listener.ora Network Configuration File: /u01/app/ora10g/product/10.2.0/Db_1/network/admin/listener.ora
    # Generated by Oracle configuration tools.
    LISTENER10G =
      (DESCRIPTION_LIST =
            (DESCRIPTION =
            (ADDRESS_LIST =
            (ADDRESS = (PROTOCOL = TCP)(HOST = MYHOST)(PORT = 1523))
            (ADDRESS = (PROTOCOL = IPC)(KEY = extproc32))
      )But if I change format as below:
    LISTENER10G =
      (DESCRIPTION_LIST =
            (DESCRIPTION =
    (ADDRESS_LIST =
            (ADDRESS = (PROTOCOL = TCP)(HOST = MYHOST)(PORT = 1523))
            (ADDRESS = (PROTOCOL = IPC)(KEY = extproc32))
      )bash-2.05$ lsnrctl start LISTENER10g
    LSNRCTL for Solaris: Version 10.2.0.4.0 - Production on 02-APR-2010 14:46:28
    Copyright (c) 1991, 2007, Oracle. All rights reserved.
    Starting /u01/app/ora10g/product/10.2.0/Db_1/bin/tnslsnr: please wait...
    TNSLSNR for Solaris: Version 10.2.0.4.0 - Production
    System parameter file is /u01/app/ora10g/product/10.2.0/Db_1/network/admin/listener.ora
    Log messages written to /u01/app/ora10g/product/10.2.0/Db_1/network/log/listener10g.log
    TNS-01150: The address of the specified listener name is incorrect
    Listener failed to start. See the error message(s) above...
    Back to orijinal format again everyhing is OK.

  • Tns ping pointing to old server in windows

    HI,
    I am facing issue while trying to access server from oracle client after changing database server name.
    I have configured tns file from netca and its showing connection successfull but stll when i do tnsping it points to old server and gives below error.
    Please help me in this..
    Its on windows server 2003.
    db is 11g and server
    C:\Documents and Settings\msdem>tnsping visR1211
    TNS Ping Utility for 32-bit Windows: Version 11.1.0.6.0 - Production on 05-SEP-2012 17:22:43
    Copyright (c) 1997, 2007, Oracle. All rights reserved.
    Used parameter files:
    E:\DB_SOA\app\msdem\product\11.1.0\db_1\network\admin\sqlnet.ora
    Used TNSNAMES adapter to resolve the alias
    Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = vena.xxx.com)(PORT = 1571))) (CONNE
    CT_DATA = (SERVICE_NAME = visR1211)))
    TNS-12545: Connect failed because target host or object does not exist

    Aman wrote:
    HI,
    I am facing issue while trying to access server from oracle client after changing database server name.
    I have configured tns file from netca and its showing connection successfull but stll when i do tnsping it points to old server and gives below error.
    Please help me in this..
    Its on windows server 2003.
    db is 11g and server
    C:\Documents and Settings\msdem>tnsping visR1211
    TNS Ping Utility for 32-bit Windows: Version 11.1.0.6.0 - Production on 05-SEP-2012 17:22:43
    Copyright (c) 1997, 2007, Oracle. All rights reserved.
    Used parameter files:
    E:\DB_SOA\app\msdem\product\11.1.0\db_1\network\admin\sqlnet.ora
    Here it is reporting where it found sqlnet.ora. Most likely it is using tnsnames.ora from the same location. Check your entry for 'visR1211' in that copy of tnsnames.ora and you will find that it references exactly what tnsping is showing in 'Attempting to contact', below.
    >
    Used TNSNAMES adapter to resolve the alias
    Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = vena.xxx.com)(PORT = 1571))) (CONNE
    CT_DATA = (SERVICE_NAME = visR1211)))
    TNS-12545: Connect failed because target host or object does not existFor more information on tracing out a connection attempt, start here: http://edstevensdba.wordpress.com/2011/02/09/sqlnet_overview/, then follow by reading the related posts.

  • Need platform independent java code for TNS PING

    Hi, I am able to ping server /ip address. but unable to ping some TNS entry.
    There is one way to ping TNS entry using System command, but that will make my code platform dependent. i want platform independent code.. need code help for TNS Ping to database server.. here are my code:
    ---Code for server / Ip address ping:---------
    package DBM;
    import java.io.IOException;
    import java.net.InetAddress;
    import java.net.UnknownHostException;
    import java.util.ArrayList;
    import oracle.net.TNSAddress.*;
    public class PingServer
    public static void main(String[] args)
    System.out.println(" Server Pinging Starts...");
    ArrayList<String> list=new ArrayList<String>();
    list.add("g5u0660c.atlanta.hp.com");
    list.add("g1u1675c.austin.hp.com");
    list.add("gvu1785.atlanta.hp.com");
    list.add("10.130.14.109");
    list.add("10.130.0.173");
    list.add("DESCRIPTION = (SDU = 32768) (enable = broken) (LOAD_BALANCE = yes) (ADDRESS = (PROTOCOL = TCP)(HOST = gvu1515.atlanta.hp.com)(PORT = 1525))(ADDRESS = (PROTOCOL = TCP)(HOST = gvu1785.atlanta.hp.com)(PORT = 1525)");
    list.add("IDSENGI");
    //This Ipadd variable is used to convert the arraylist into String
    String ipadd="";
    try
         for(String s: list)
              ipadd=s;
              // InetAddress is class.in this class getByName()is used to take only string parameter.
              InetAddress inet = InetAddress.getByName(ipadd);
              //InetAddress inet1 =InetAddress.getAllByName("IDESENGP");
              System.out.println("Sending Ping Request to " + ipadd);
              //in InetAddress call IsReachabe(3000)method is used to ping the server IP and if ping is successfully then return true otherwise false.
              //IsReachable()take time in millisecond and return type is boolean.
              System.out.println("Host is reachable: "+inet.isReachable(3000));
         System.out.println("Server Pinging program is working fine........");
    catch (UnknownHostException e)
         System.err.println("Host does not exists");
    catch (IOException e)
         System.err.println("Error in reaching the Host");
    ----Code for TNS ping using system host----
    package DBM;
    import java.io.*;
    public class doscmd
    public static void main(String args[])
    try
    Process p=Runtime.getRuntime().exec("cmd /c tnsping IDSENGP");
    p.waitFor();
    BufferedReader reader=new BufferedReader(new InputStreamReader(p.getInputStream()));
    String line=reader.readLine();
    while(line!=null)
    System.out.println(line);
    line=reader.readLine();
    catch(IOException e1) {}
    catch(InterruptedException e2) {}
    System.out.println("Done");
    The above two codes are working absolutely fine... but need TNS ping program is platform dependent..we need to deploy it in both windows, unix...
    Please help.

    You don't need to install another JDK, just use the api from 1.2 and you should be fine. You can even use the 1.4 jdk to compile as if it were 1.2 by using the -target option in javac.

  • Sql developer is able to connect, but NO toad or sqlplus or tns ping

    Hi folks,
    Come across an interesting situation, able to connect using sql developer, but no tns ping or toad or even sql plus too, what do you think, what is the problem and how to fix too.
    Guidance/assistance will highly be appreciated.
    Thanks.

    user8604530 wrote:
    Sorry folks, for not providing complete info ... apologize for this inconvenience, here is error + version too:
    SQL*Plus: Release 11.2.0.1.0 Production on Wed Jan 11 16:30:05 2012
    Copyright (c) 1982, 2010, Oracle. All rights reserved.
    ERROR:
    ORA-12154: TNS:could not resolve the connect identifier specified
    Enter user-name:
    Error for tnsping too, where as, able to ping the server, but not to db.
    As told earlier too, able to work via sql developer.we still do not know what exactly you did that throws the error!
    ORA-12154 ALWAYS only occurs on SQL Client & no SQL*Net packets ever leave client system
    ORA-12154 occurs when client requests a connection to some DB server system using some connection string.
    The lookup operation fails because the name provided can NOT be resolved to any remote DB.
    The analogous operation would be when you wanted to call somebody, but could not find their name in any phonebook.
    The most frequent cause for the ORA-12154 error is when the connection alias can not be found in tnsnames.ora.
    The lookup operation of the alias can be impacted by the contents of the sqlnet.ora file; specifically DOMAIN entry.
    TROUBLESHOOTING GUIDE: ORA-12154 & TNS-12154 TNS:could not resolve service name [ID 114085.1]
    http://edstevensdba.wordpress.com/2011/02/26/ora-12154tns-03505/

  • Error while starting listener on my database TNS-1255,TNS-12560, TNS-00525

    Hi All,
    I am newbie to oracle and i have been struggling from last one week to get this error corrected on my database.
    Listener services are not working due to which i'm unable to proceed my work. Please provide ur help as i really want to learn.
    Edited by: 978366 on Jan 12, 2013 6:18 AM

    Please take a look at all the details asked by you guys. It will really helpful if this can get fixed
    [oraprod@mycomp admin]$ cat /etc/hosts
    # Do not remove the following line, or various programs
    # that require network functionality will fail.
    10.10.10.100 mycomp.mydomain.com mycomp
    [oraprod@mycomp admin]$ uname -a
    Linux mycomp.mydomain.com 2.6.9-89.0.0.0.1.ELhugemem #1 SMP Tue May 19 04:38:38 EDT 2009 i686 i686 i386 GNU/Linux
    SQL> select * from v$version;
    BANNER
    Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
    PL/SQL Release 10.2.0.1.0 - Production
    CORE 10.2.0.1.0 Production
    TNS for Linux: Version 10.2.0.1.0 - Production
    NLSRTL Version 10.2.0.1.0 - Production
    listener.ora entry
    LISTENER =
    (DESCRIPTION_LIST =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = mycomp.mydomain.com)(PORT = 1521))
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROCO))
    SID_LIST_LISTENER =
    (SID_LIST =
    (SID_DESC =
    (GLOBAL_DBNAME = test.mycomp.mydomain.com)
    (ORACLE_HOME = /u01/app/oraprod/product/1020/db_1)
    (SID_NAME = test)
    (SID_DESC =
    (SID_NAME = PLSExtProc)
    (ORACLE_HOME = /u01/app/oraprod/product/1020/db_1)
    (PROGRAM = extproc)
    tnsname.ora entry
    TEST =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = mycomp.mydomain.com)(PORT = 1521))
    (CONNECT_DATA =
    (SERVICE_NAME = TEST)
    listener status
    [oraprod@mycomp admin]$ lsnrctl status
    LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 14-JAN-2013 16:44:33
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=mycomp.mydomain.com)(PORT=1521)))
    TNS-12541: TNS:no listener
    TNS-12560: TNS:protocol adapter error
    TNS-00511: No listener
    Linux Error: 111: Connection refused
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROCO)))
    TNS-12541: TNS:no listener
    TNS-12560: TNS:protocol adapter error
    TNS-00511: No listener
    Linux Error: 111: Connection refused
    [oraprod@mycomp admin]$ lsnrctl start
    LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 14-JAN-2013 16:44:44
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Starting /u01/app/oraprod/product/1020/db_1/bin/tnslsnr: please wait...
    TNS-12537: TNS:connection closed
    TNS-12560: TNS:protocol adapter error
    TNS-00507: Connection closed
    Linux Error: 29: Illegal seek
    [oraprod@mycomp admin]$

  • ORA-12505, TNS:listener and ORA-12514: TNS:listener

    All,
    Connecting to the database through the SQL Developer is giving me the error "ORA-12505, TNS:listener does not currently know of SID given in connect descriptor"
    Database version : Oracle 10g XE
    O/S : Windows 7, 32 bit
    I have restarted my machine and tried but no luck. Tried from sqlplus also and the error was
    ERROR:
    ORA-12514: TNS:listener does not currently know of service requested in connect
    descriptor"
    Please provide me the steps to check and resolve this issue.
    Thank you very much in advance.
    Thanks

    Here is what I have in my tnsnames.ora file
    XE =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = MSPL-08-09-D169.MSFTPNQ.com)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
    (SERVICE_NAME = XE)
    EXTPROC_CONNECTION_DATA =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
    (CONNECT_DATA =
    (SID = PLSExtProc)
    (PRESENTATION = RO)
    ORACLR_CONNECTION_DATA =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
    (CONNECT_DATA =
    (SID = CLRExtProc)
    (PRESENTATION = RO)
    Database name is 'XE'

  • Am unable to start the listener, it throws error# TNS-12560 and TNS-00583.

    $ lsnrctl start
    ---------------------------------------------------ERROR MESSAGE----------------------------
    LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 25-SEP-2011 00:01:50
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...
    TNSLSNR for Linux: Version 10.2.0.1.0 - Production
    System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
    Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
    Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521)))
    TNS-12560: TNS:protocol adapter error
    TNS-00583: Valid node checking: unable to parse configuration parameters
    Listener failed to start. See the error message(s) above...
    am using two database 1)bullet 2)karthy where bullet db is target and karthy is catalog and my LISTENER ENTRY is
    SID_LIST_LISTENER =
    (SID_LIST =
    (SID_DESC =
    (SID_NAME = karthy)
    (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
    (global_name = karthy)
    (SID_DESC =
    (SID_NAME = bullet)
    (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
    (global_name = bullet)
    my TNS entry is
    tns_bull
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(port=1521))
    (CONNECT_DATA =
    (server=dedicated)
    (service_name=karthy)
    kindly correct me where am gone wrong...

    ksk wrote:
    OS cmds
    $ cat /etc/hosts
    # Do not remove the following line, or various programs
    # that require network functionality will fail.
    127.0.0.1 localhost.localdomain localhost
    ::1 localhost6.localdomain6 localhost6
    Listener is connected so their is no error at that tailexcellent point.
    using localhost/127.0.0.1 means that no remote client can ever connect to listener/DB
    The upside is that your DB like mine can NEVER be hacked across the *NET!                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

  • Listener  errors in logs  TNS-001184 TNS-12502

    Oracle Enterprise Edition 10.2.0.3
    HP-UX
    2 Node RAC
    Hi
    I have seen repetitive errors in listener log file of one of our databases.
    The errors are like this,
    07-DEC-2010 12:35:27 * service_register * EXS1 * 1184
    TNS-01184: Listener rejected registration or update of service handler "DEDICATED"
    TNS-01185: Registration attempted from a remote node
    08-DEC-2010 12:35:27 * service_died * EXS1 * 12537
    08-DEC-2010 12:35:27 * service_update * EXS1 * 0
    There are also errors like the following,
    TNS-12560: TNS:protocol adapter error
    TNS-00530: Protocol adapter error
    TNS-12502: TNS:listener received no CONNECT_DATA from client
    I referred this oracle metalink note, ID 275058.1 and it says this is because LOCAL_LISTENER and REMOTE_LISTENER are not configured properly, But I see errors like this being frequent (every minute) yesterday and only once today.
    Our Application team complains about problems in performance of various procedures at various time intervals. Can this be the cause of such performance degradation ?

    The first error is similar when copy/paste listener.ora to other node (ex. test enviroment) and not modify listener.ora then when you tyr start listener, it connect and register to original node.
    If your application team have poor performance, maybe you must trace (tkprof or sqlnet trace) to concrete the problem.
    Good luck

  • 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.
    Since then, I can connect to ORCL and ORCL3 without problem via sqlplus, but I get the below error when I connect to ORCL2:
    ORA-12514: TNS:listener does not currently know of service requested in connect
    descriptor
    I think the answer is to have to separate listeners for ORCL and ORCL2, but I have had several failed attempts.
    Can you please advise on what I need to do? I have looked at various sites, but if you are not too experienced with listeners, they are not really very clear.
    Thanks

    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)
    ORCL3 =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 1.2.3.4)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
    (SERVICE_NAME = orcl.2.3.4)
    STATUS:
    LSNRCTL> status
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
    STATUS of the LISTENER
    Alias LISTENER
    Version TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 - Production
    Start Date 28-JAN-2012 10:14:06
    Uptime 0 days 2 hr. 19 min. 26 sec
    Trace Level off
    Security ON: Local OS Authentication
    SNMP OFF
    Listener Parameter File C:\oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
    Listener Log File C:\oracle\diag\tnslsnr\xxx\listener\alert\log.xml
    Listening Endpoints Summary...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
    Services Summary...
    Service "CLRExtProc" has 1 instance(s).
    Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
    Service "orcl.xxx.xxx.net" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
    Service "orclXDB.xxx.xxx.net" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
    The command completed successfully

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