TNS Listener crashes on XP constantly

Hi I have Oracle 9i 9.2.0.1 installed on winxp. Everything was working fine for many weeks until a few days ago when suddenly the TNS listener crashes after each connection to the db, and I have to manually restart the tns listener service each time.
I always get this message windows error message:
TNSLSNR.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
Error signature
szAppName : TNSLSNR.exe szAppVer : 0.0.0.0 szModName : orantcp9.dll
szModVer : 0.0.0.0 offset : 00005732
Any suggestions as to what I should do? Thanks
-P

I have exactly the same problem. When I put the trace_level_listener on as Joel suggested, listener still crashes with the same error message, but it restarts automatically. My listener.ora is here
# LISTENER.ORA Network Configuration File: c:\ora9idb\network\admin\listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = CyberCitizenInc)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = c:\ora9idb)
(PROGRAM = extproc)
(SID_DESC =
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = c:\ora9idb)
(SID_NAME = orcl)
TRACE_LEVEL_LISTENER = USER
# CONNECT_TIMEOUT_LISTENER = 10

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    (SID_DESC =
    (GLOBAL_DBNAME = standby.standby.swapnilkambli.com)
    (ORACLE_HOME = /u01/app/oracle/dbhome_1)
    (SID_NAME = standby)
    LISTENER =
    (DESCRIPTION_LIST =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = standby.swapnilkambli.com)(PORT = 1521))
    ADR_BASE_LISTENER = /u01/app/oracle
    [email protected](standby) $
    [email protected](standby) $ lsnrctl services
    LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 03-MAR-2013 11:43:14
    Copyright (c) 1991, 2009, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=standby.swapnilkambli.com)(PORT=1521)))
    Services Summary...
    Service "standby" has 1 instance(s).
    Instance "standby", status BLOCKED, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:0 refused:0 state:ready
    LOCAL SERVER
    Service "standby.standby.swapnilkambli.com" has 1 instance(s).
    Instance "standby", status UNKNOWN, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:3 refused:0
    LOCAL SERVER
    The command completed successfully
    [email protected](standby) $ tnsping db1
    TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 03-MAR-2013 11:49:12
    Copyright (c) 1997, 2009, Oracle. All rights reserved.
    Used parameter files:
    Used TNSNAMES adapter to resolve the alias
    Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = primary.swapnilkambli.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = db1.primary.swapnilkambli.com)))
    OK (0 msec)
    [email protected](standby) $
    [email protected](standby) $
    [email protected](standby) $ tnsping standby
    TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 03-MAR-2013 11:49:18
    Copyright (c) 1997, 2009, Oracle. All rights reserved.
    Used parameter files:
    Used TNSNAMES adapter to resolve the alias
    Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = standby.swapnilkambli.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = standby.standby.swapnilkambli.com)))
    OK (0 msec)
    tnsping works from both side I am able to connect from primary as below:
    [email protected](db1) $ rman target sys/root123#@db1 auxiliary sys/root123#@standby
    Recovery Manager: Release 11.2.0.1.0 - Production on Sun Mar 3 11:44:23 2013
    Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
    connected to target database: DB1 (DBID=1402881212)
    connected to auxiliary database: DB1 (not mounted)
    RMAN>
    DB version 11.2.0.1.0
    OS version Linux 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
    primary server--- primary.swapnilkambli.com
    primary database--- db1
    standby server--- standby.swapnilkambli.com
    standby database--- standby
    After I dropped the physical standby first time I did make some changes in tns of standby server which I dont recollect.
    Help on this error ORA-12514 is available on internet but I did not find anything helpful to my situation
    Edited by: user12860499 on Mar 2, 2013 10:45 PM

    GOT IT!!!!
    I check listener trace and found below:
    Log messages written to /u01/app/oracle/diag/tnslsnr/standby/listener/alert/log.xml
    03-MAR-2013 12:21:59 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=standby.swapnilkambli.com)(USER=oracle))(COMMAND=reload)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=186646784)) * reload * 0
    03-MAR-2013 12:22:00 * service_register * standby * 0
    Sun Mar 03 12:22:16 2013
    03-MAR-2013 12:22:16 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=db1.primary.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=standby.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=39512)) * establish * db1.primary.swapnilkambli.com * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    03-MAR-2013 12:22:20 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=standby.standby.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=standby.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.56.102)(PORT=54862)) * establish * standby.standby.swapnilkambli.com * 0
    03-MAR-2013 12:22:20 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=standby.standby.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=standby.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.56.102)(PORT=54863)) * establish * standby.standby.swapnilkambli.com * 0
    03-MAR-2013 12:22:20 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=standby.standby.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=standby.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.56.102)(PORT=54864)) * establish * standby.standby.swapnilkambli.com * 0
    Sun Mar 03 12:22:27 2013
    03-MAR-2013 12:22:27 * service_update * standby * 0
    Sun Mar 03 12:22:40 2013
    03-MAR-2013 12:22:40 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=standby.standby.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=primary.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.56.101)(PORT=60821)) * establish * standby.standby.swapnilkambli.com * 0
    03-MAR-2013 12:22:40 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=standby.standby.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=primary.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.56.101)(PORT=60822)) * establish * standby.standby.swapnilkambli.com * 0
    03-MAR-2013 12:22:40 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=standby.standby.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=primary.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.56.101)(PORT=60823)) * establish * standby.standby.swapnilkambli.com * 0
    03-MAR-2013 12:22:42 * service_update * standby * 0
    03-MAR-2013 12:22:45 * service_update * standby * 0
    Sun Mar 03 12:22:51 2013
    03-MAR-2013 12:22:51 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=db1.primary.swapnilkambli.com)(CID=(PROGRAM=rman)(HOST=standby.swapnilkambli.com)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=39536)) * establish * db1.primary.swapnilkambli.com * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    there was a entry in /etc/hosts which was directing primary.swapnilkambli.com to 127.0.01
    This was because I created this OS from a Virtual box template wherein that entry was made.
    I changed the /etc/hosts to refelct the true address and it worked!!

  • Data Guard Broker teasing error ORA-12514: TNS:listener

    Hello,
    I have spent many hours but don't understand what little thing I am missing or confusing me.. Please help to fix the issue.
    Physical Standb db created successfully, but now facing following issue: Though it should be and must be fixed but really making me mad
    DGMGRL> SHOW CONFIGURATION;
    Configuration - DATA GUARD
      Protection Mode: MaxPerformance
      Databases:
        dg - Primary database
    Fast-Start Failover: DISABLED
    Configuration Status:
    DISABLED
    DGMGRL> ADD DATABASE DG_DB2
    > AS CONNECT IDENTIFIER IS DG_DB2
    > MAINTAINED AS PHYSICAL;
    Error: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
    Failed.
    PRIM:
    db_name: DG
    db_unique_name: dg
    service_names:  dg
    STBY:
    db_name: DG
    db_unique_name: dg_db2
    service_names:  dg_db2
    # TNSNAMES same entries on both Primary and Standby: HOSTNAMES are different.
    DG =
      (DESCRIPTION =
        (ADDRESS = (PROTOCOL = TCP)(HOST = db01.domain)(PORT = 1521))
        (CONNECT_DATA =
          (SERVER = DEDICATED)
          (SERVICE_NAME = dg)
    DG_DB2 =
      (DESCRIPTION =
        (ADDRESS = (PROTOCOL = TCP)(HOST = db02.domain)(PORT = 1521))
        (CONNECT_DATA =
          (SERVER = DEDICATED)
          (SERVICE_NAME = dg_db2)
    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
          (ADDRESS = (PROTOCOL = TCP)(HOST = db01.domain)(PORT = 1521))   db02.domain for Standby on standby machine.
    # Listener.ora on PRIMARY:
    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
          (ADDRESS = (PROTOCOL = TCP)(HOST = db01.domain)(PORT = 1521))
    SID_LIST_LISTENER =
      (SID_LIST =
        (SID_DESC =
          (GLOBAL_DBNAME = dg_DGMGRL.domain)
          (ORACLE_HOME = /oracle/app/11g/db)
           (SID_NAME = dg)
           (SERVICE_NAME = dg.domain)
    # Listener.ora on Standby:
    SID_LIST_LISTENER =
      (SID_LIST =
        (SID_DESC =
          (GLOBAL_DBNAME = dg_db2_DGMGRL.domain)
          (ORACLE_HOME = /oracle/app/11g/db)
           (SID_NAME = dg_db2)
           (SERVICE_NAME = dg_db2.domain)
    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS = (PROTOCOL = TCP)(HOST = db02.domain)(PORT = 1521))
          (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    I created Stby DB with the minimum parameters required, so that I configure BROKER and see it magic, but badly stuck in this situation here. I have read many docs related to this..but can not fix it unfortunately.
    Please guide me from your own experience as note ids, blogs are not helping me here...
    Bundle of thanks.
    Best Regards

    Hi,
    Your listener.ora file has SERVICE_NAME = dg_db2.domain whereas tnsnames.ora file has SERVICE_NAME = dg_db2.
    Check in your database for exact service name and reflect the same in both the files.
    SQL> sho parameter service_names
    Restart the listener and try connecting.
    Thank you!!

  • ORA-12504 tns listener was not given the SERVICE_NAME in CONNECT-DATA

    Hi
    i installed a fresh oracle linux and installes 11.2.0 database server. the server works fine but i have a proplem to connect to the database from a windows 2008 r2
    client. For the client connection i installed the oracle instantclient on the windows system. Now i want to configure the system dsn to connect to the oracle
    server like this
    data source description: vSphere 64
    description: ----
    TNS Service Name: VCDB
    user id: system
    then i go to TEST connection
    Service Name: VCDB
    user name: system
    Password: mypassword
    so i copied the tnsnames.ora from the server to the client
    then i get
    ora-12504 tns listener was not given the SERVICE_NAME in CONNECT-DATA
    here´s my tnsnames.ora from the client
    VCDB =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 172.31.98.173)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
    (SERVICE_NAME = vcdb.vmware)
    i tested serveral config´s but nothing works. I can ping the server and also i cn telnet the server on port 1521. The listener on the server works fine
    lsnrctl status
    LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 20-SEP-2010 20:48:52
    Copyright (c) 1991, 2009, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=vc-db1.mydomain)(PORT=1521)))
    STATUS of the LISTENER
    Alias LISTENER
    Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
    Start Date 20-SEP-2010 20:47:45
    Uptime 0 days 0 hr. 1 min. 7 sec
    Trace Level off
    Security ON: Local OS Authentication
    SNMP OFF
    Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
    Listener Log File /u01/app/oracle/diag/tnslsnr/vc-db1/listener/alert/log.xml
    Listening Endpoints Summary...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=vc-db1mydomain)(PORT=1521)))
    Services Summary...
    Service "vcdb.vmware" has 1 instance(s).
    Instance "vcdb", status READY, has 1 handler(s) for this service...
    Service "vcdbXDB.vmware" has 1 instance(s).
    Instance "vcdb", status READY, has 1 handler(s) for this service...
    The command completed successfully
    but it´s not possible to create a connection to the server. My enviroment variables are this
    ORACLE_BASE=/u01/app/oracle
    ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1
    ORACLE_HOSTNAME=vc-db1.mydomain
    ORACLE_SID=vcdb
    ORACLE_TERM=xterm
    so i think on the server site everything is correct. How could i establish a connection from the windows client
    to the linux database server. Or is ODBC the wrong method for this?
    Kind regards
    ACID25

    Hi,
    Check the listener log and see if the connection information is logged (in this case with error)
    If logged, then we are reaching the correct listener.
    Then check tnsping VCDB works fine along with sqlplus connection through listener using VCDB as connect string.
    If above both works, then issue can be isolated to ODBC configuration or setup issue.
    In case even if the tnsping / sqlplus is failing to connect with VCDB, then worth taking a client sqlent trace at level 16 and listener trace at level 16 to analyse the issue further.
    Thanks,
    Sathya

  • ORA-12514: TNS:listener could not resolve SERVICE_NAME given in connect

    Hi Friends,
    I have created 10g database for catalog.
    I kept the tns entry in some other server. Tnsping is working fine.. I can see the result.
    mexn01:$ tnsping rman09na
    TNS Ping Utility for HPUX: Version 9.2.0.5.0 - Production on 28-APR-2008 19:29:07
    Copyright (c) 1997 Oracle Corporation. All rights reserved.
    Used parameter files:
    /apps/app/oracle/local/network/admin/sqlnet.ora
    Used TNSNAMES adapter to resolve the alias
    Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = torora60)(PORT = 1522))) (CONNECT_DATA = (SERVICE_NAME = rman09na)))
    OK (0 msec)
    When I am trying to connect to the database I am getting following error..
    mexn01:$ sqlplus ismdba/xxxxx@rman09na
    SQL*Plus: Release 9.2.0.5.0 - Production on Mon Apr 28 19:29:22 2008
    Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
    ERROR:
    ORA-12514: TNS:listener could not resolve SERVICE_NAME given in connect
    descriptor
    Please help me..
    Thanks in advance.

    Try on the server where it doesn't work:
    sqlplus ismdba/xxxxx@"(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = torora60)(PORT = 1522))) (CONNECT_DATA = (SERVICE_NAME = rman09na)))"
    or
    tnsping "(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = torora60)(PORT = 1522))) (CONNECT_DATA = (SERVICE_NAME = rman09na)))"
    (note the double quotes)
    If that works then your tnsnames.ora is incorrect on that server.

  • Problem: ORA-12514, TNS:listener does not currently know of service request

    When I enter a command for an Oracle 10g Express installation I am getting the following error:
    Integration Repository Creation Assistant (IRCA) 10.1.3.1.0
    (c) Copyright 2006 Oracle Corporation. All rights reserved.
    Running IRCA for all product(s):
    connection="localhost 1521 orcl", -overwrite, orabpelUser=ORABPEL, esbUser=ORAESB, orawsmUser=ORAWSM
    ERROR: Failed to establish database connection due to the following error:
    Listener refused the connection with the following error:
    ORA-12514, TNS:listener does not currently know of service requested in connect descriptor
    The Connection descriptor used by the client was:
    (DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=on)(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=orcl)))
    Please check your connection parameters and try again.
    Hmm, whats wrong?
    Listener status yields:
    D:\db\install\soa_schemas\irca>lsnrctl status
    LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 10-FEB-2008 13:04:22
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Anmeldung bei (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
    STATUS des LISTENER
    Alias LISTENER
    Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
    Startdate 10-FEB-2008 12:48:44
    Uptime 0 days 0 hours. 15 min. 38 sec.
    Trace-Level off
    Security ON: Local OS Authentication
    SNMP OFF
    Standard-Service XE
    Parameter file of listener D:\Oracle\app\oracle\product\10.2.0\server\network\admin\listener.ora
    Log file of listener D:\Oracle\app\oracle\product\10.2.0\server\network\log\listener.log
    Summary listener endpoints...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=8080))(Presentation=HTTP)(Session=RAW))
    Services overview...
    Service "CLRExtProc" hat 1 Instance(s).
    Instance "CLRExtProc", Status UNKNOWN, has 1 Handler for this service...
    Service "PLSExtProc" hat 1 Instance(s).
    Instance "PLSExtProc", Status UNKNOWN, has 1 Handler for this service...
    Service "XEXDB" hat 1 Instance(s).
    Instance "xe", Status READY, has 1 Handler for this service...
    Service "XE_XPT" hat 1 Instance(s).
    Instance "xe", Status READY, has 1 Handler for this service...
    Service "xe" hat 1 Instance(s).
    Instance "xe", Status READY, has 1 Handler for this service...
    The command was successfully executed.
    D:\db\install\soa_schemas\irca>lsnrctl services
    LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 10-FEB-2008 13:18:59
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Anmeldung bei (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
    Services _bersicht...
    Service "CLRExtProc" has 1 Instance(s).
    Instance "CLRExtProc", Status UNKNOWN, has 1 Handler for this service...
    Handler:
    "DEDICATED" established:0 refused:0
    LOCAL SERVER
    Service "PLSExtProc" has 1 Instance(s).
    Instance "PLSExtProc", Status UNKNOWN, has 1 Handler for this service...
    Handler:
    "DEDICATED" established:0 refused:0
    LOCAL SERVER
    Service "XEXDB" has 1 Instance(s).
    Instance "xe", Status READY, has 1 Handler for this service...
    Handler:
    "D000" established:0 refused:0 current:0 max:1002 Status:ready
    DISPATCHER <machine: LOCALHOST, pid: 3584>
    (ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1049))
    Service "XE_XPT" has 1 Instance(s).
    Instance "xe", Status READY, has 1 Handler for this service...
    Handler:
    "DEDICATED" established:1 refused:0 Status:ready
    LOCAL SERVER
    Service "xe" has 1 Instance(s).
    Instance "xe", Status READY, has 1 Handler for this service...
    Handler:
    "DEDICATED" established:1 refused:0 Status:ready
    LOCAL SERVER
    The command was successfully executed.

    Hi,
    no, you got it wrong:
    Oracle uses network services which are a logical representation of the database to resolve network requests.
    in your ntsnames.ora file you have the following:
    network_alias = my_alias -- here you can write anything you just need to resolve it correctly
    (DESCRIPTION=
    (ADDRESS=
    (PROTOCOL=TCP)
    (host=hostname or IP)
    (port=listener adapter port)
    ) -- this a complete socket information of the listener adapter!!
    (CONNECT_DATA=
    (SERVICE=your_service) -- this is what you tell the listener about the service you want to connect to. It is defined in the instance with the paramter service_names
    In general it is network aliasses which are resolved with connect descriptor in the tnsnames.ora.
    A connect decriptor consists of the address part + the connect_data part.
    The address part is used to reach the listener.
    The connect_data part is the information you hand over to the listener.
    So the listener must know the service name.
    The listener can either know this from the instance itself. When an Oracle instance is started it tries to registrer itself with a listener which listens on port 1521 for the protocol TCP.
    The instance tell this listener two paramater values: INSTANCE_NAME and SERVICE_NAMES. Then the listener knows the instance and which services are defined. It is just a reprentation of the database to the listener.
    If the listerner knows the service requested with a connect, it can establish a connection to a service handler. This could be a dedicated server process or a dispatcher.
    Another mehtod to let the listener know the service requested is so called static regustration of the instance. This is made with an SID LIST in the listener.ora file.
    Then the listener knows SID for the instance plus ORACLE_HOME and can find the executable to start a server process for a connect request.
    Hope it helps a little-.
    =;-)
    If you have further questions pls do not hesitate to ask. O.K.?

  • JDBC - ORA-12514 TNS:listener does not currently know of service requested

    Hi, I am using JDBC driver in Java for connecting to my Oracle XE 11g database on Windows 2008 Server R2 Standard, but I am receiving the following error
    +java.sql.SQLException: Listener refused the connection with the following error:
    ORA-12514, TNS:listener does not currently know of service requested in connect descriptor+
    I am using this connection string:
    jdbc:oracle:thin:@WIN-H0E7IBS7HLQ:1521:XE;
    The configuration files:
    listener.ora:
    SID_LIST_LISTENER =
    (SID_LIST =
    (SID_DESC =
    (SID_NAME = PLSExtProc)
    (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
    (PROGRAM = extproc)
    (SID_DESC =
    (SID_NAME = CLRExtProc)
    (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
    (PROGRAM = extproc)
    LISTENER =
    (DESCRIPTION_LIST =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    (ADDRESS = (PROTOCOL = TCP)(HOST = WIN-H0E7IBS7HLQ)(PORT = 1521))
    DEFAULT_SERVICE_LISTENER = (XE)
    tsnames.ora:
    XE =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = WIN-H0E7IBS7HLQ)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
    (SERVICE_NAME = XE)
    EXTPROC_CONNECTION_DATA =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    (CONNECT_DATA =
    (SID = PLSExtProc)
    (PRESENTATION = RO)
    ORACLR_CONNECTION_DATA =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    (CONNECT_DATA =
    (SID = CLRExtProc)
    (PRESENTATION = RO)
    sqlnet.ora:
    SQLNET.AUTHENTICATION_SERVICES = (NTS)
    I have already run some diagnostic tools:
    tnsping XE
    TNS Ping Utility for 32-bit Windows: Version 11.2.0.2.0 - Production on 18
    013 17:38:48
    Copyright (c) 1997, 2010, Oracle. All rights reserved.
    Used parameter files:
    C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\sqlnet.ora
    Used TNSNAMES adapter to resolve the alias
    Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = WI
    IBS7HLQ)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME
    OK (30 msec)
    lsnrctl status
    LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 18-MAR-2013
    :10
    Copyright (c) 1991, 2010, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
    STATUS of the LISTENER
    Alias LISTENER
    Version TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 -
    ction
    Start Date 18-MAR-2013 17:25:02
    Uptime 0 days 0 hr. 16 min. 7 sec
    Trace Level off
    Security ON: Local OS Authentication
    SNMP OFF
    Default Service XE
    Listener Parameter File C:\oraclexe\app\oracle\product\11.2.0\server\net
    dmin\listener.ora
    Listener Log File C:\oraclexe\app\oracle\diag\tnslsnr\WIN-H0E7IBS7
    stener\alert\log.xml
    Listening Endpoints Summary...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1ipc)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=WIN-H0E7IBS7HLQ)(PORT=1521)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=WIN-H0E7IBS7HLQ)(PORT=8080))(P
    ation=HTTP)(Session=RAW))
    Services Summary...
    Service "CLRExtProc" has 1 instance(s).
    Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service
    Service "PLSExtProc" has 1 instance(s).
    Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service
    Service "XEXDB" has 1 instance(s).
    Instance "xe", status READY, has 1 handler(s) for this service...
    Service "xe" has 1 instance(s).
    Instance "xe", status READY, has 1 handler(s) for this service...
    The command completed successfully
    lsnrctl services
    LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 18-MAR-2013
    :06
    Copyright (c) 1991, 2010, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
    Services Summary...
    Service "CLRExtProc" has 1 instance(s).
    Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service
    Handler(s):
    "DEDICATED" established:0 refused:0
    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
    Service "XEXDB" has 1 instance(s).
    Instance "xe", status READY, has 1 handler(s) for this service...
    Handler(s):
    "D000" established:0 refused:0 current:0 max:1022 state:ready
    DISPATCHER <machine: WIN-H0E7IBS7HLQ, pid: 5248>
    (ADDRESS=(PROTOCOL=tcp)(HOST=WIN-H0E7IBS7HLQ)(PORT=57253))
    Service "xe" has 1 instance(s).
    Instance "xe", status READY, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:0 refused:0 state:ready
    LOCAL SERVER
    The command completed successfully
    I have searched a lot about what is possible is going on, but I have'nt found nothing yet. Can somebody please help me
    Edited by: 994624 on 18-mar-2013 15:54

    Both client and server are in localhost. I had a DNS to change the hostname to 127.0.0.1. I have remove it. Same thing happens. This is the listener.log
    Mon Mar 18 18:15:18 2013
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63780)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63781)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63782)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63783)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63785)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63786)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63787)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63788)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63789)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63790)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63791)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63792)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63793)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63794)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63795)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63796)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63797)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63798)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63799)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63800)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63802)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63803)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63804)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:18 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63805)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:24 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.84)(PORT=63885)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:24 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::b8b1:84a9:681b:ab5a%11)(PORT=63886)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:24 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::18ef:3bdd:3f57:feab%15)(PORT=63887)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
    18-MAR-2013 18:15:24 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))(SERVICE_NAME=xe;)(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=Administrador))) * (ADDRESS=(PROTOCOL=tcp)(HOST=2001:0:9d38:953c:18ef:3bdd:3f57:feab)(PORT=63888)) * establish * xe; * 12514
    TNS-12514: TNS:listener does not currently know of service requested in connect descriptor

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