No Listener Error In Sql
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ora-12541 tns no listener 11g ORA-12541: TNS: no listener Oracle Tips by John Garmany You Asked: I ora 12541 tns no listener but listener is running get the ORA-12541 error message when I try to connect through Forms6i and Reports6i Builder. I've started the listener also. I have ora-12541: tns:no listener linux no problems accessing the database through SQL*Plus. I've checked the listener.ora and tnsnames.ora files and everything seems okay. We Said: From the docs: ORA-12541: TNS no listener Cause: Listener for the source repository has not beenOra 12541 Tns No Listener Toad
started. Action: Start the Listener on the machine where the source repository resides. Basically the Forms server could not find the listener. First check the tnsnames.ora file and ensure that it points to the correct server and port. If the Forms server is on another machine, test the TNS resolve with tnsping from the command prompt. Finally, check the listener. First, ensure that your listener service is running. C:\Documents and Settings\ME>lsnrctl stat This tns no listener error in oracle 11g should show the status of the listener and the services it is listening for. Remember that when you run SQL*Plus on the database server, it does not need the listener to connect unless you specify the database tnsnames.ora entry.Try to start the listener service using lsnrctl from DOS prompt. set ORACLE_HOME= cd %ORACLE_HOME%/bin lsnrctl start LISTENER If the listener service is not running, re-start the listener service using the Windows task manager or use the DOS command line utility to re-start the Windows service with the "net start" command: C:\Documents and Settings\ME>net start OracleOraDb10g_home1TNSListener You can use the lsnrctl status command to verify that the listener is down, and lsnrctl start to start your listener. If you are on Windows, also verify that the listener service is running. Here are more notes on lsnrctl: Oracle listener lsnrctl command Oracle listener lsnrctl command Oracle listener security tips Blocking Oracle access by IP Addresses �� Burleson is the American Team Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals. Feel free to ask questions on our Oracle forum. Verify ex
Anil Kumar on June 26, 2013 All Posts, Database, Oracle DBA 18 Comments Resolved ORA-12541: TNS no listener error 4.57 (91.43%) 7 votes ora-12514 tns no listener N no. of articles you will find on the internet about "ORA-12541
Ora 12541 Tns No Listener Oracle 11g Client
TNS no listener error" but still finding an effective solution. Don't worry this solution helped me a lot and
Tns-12560: Tns:protocol Adapter Error
I hope it will help you too. I got the same issue while working on Oracle 10g database then I decided to share my experience and steps to resolve this http://www.dba-oracle.com/t_ora_12541_tns_no_listener.htm issue. Error Message: ORA-12541 TNS no listener error Resolution: Now you have to follow below mentioned steps to resolve the ORA-12541 issue. Step-1: First check your listener status. C:\>lsnrctl status The above command will show the current status of your listener. Step-2: Start the listener, if listener is not running. C:\>lsnrctl start This command will start all your listener services. Step-3: http://itbloggertips.com/2013/06/resolved-ora-12541-tns-no-listener-error/ Stop the listener, if listener is running. C:\>lsnrctl stop This command will stop all your listener services. Step-4: Now restart the listener. C:\>lsnrctl reload This command will restart all your listener services. Note: If you want to see all the available listener commands. Type lsnrtcl help on command prompt and you will get all available options. C:\>lsnrctl help LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 02-JUL-2015 20:25:14 Copyright (c) 1991, 2010, Oracle. All rights reserved. The following operations are available An asterisk (*) denotes a modifier or extended command: start stop status services version reload save_config trace change_password quit exit set* show* Step-5: One last and very important thing which you have to do. Open sqlnet.ora file and make the changes as suggested. Change NTS to NONE SQLNET.AUTHENTICATION_SERVICES = (NONE) Now restart the listener services and your listener problem ORA-12541 will be resolved. If this is not working, do write in comment section. I will try to help you at the earliest. Get Fr
example inside Event Log Technote (troubleshooting) Problem(Abstract) User tries to launch Controller. User receives error message on screen. If they look at http://www.ibm.com/support/docview.wss?uid=swg21361712 their client PC's 'application' Event Log, there is an entry there, corresponding https://asktom.oracle.com/pls/asktom/f?p=100:11:0::NO::P11_QUESTION_ID:431775600346873836 with the time when they tried to logon. On the Controller application server, there are periodic VBRUNTIME errors. Symptom Client PC screen: An error occurred while trying to access the server Client PC Event Log: Event Type: WarningEvent Source: Cognos ControllerEvent Category: NoneEvent ID: 0Date: 1/31/2008Time: 10:20:10 AMUser: no listener N/AComputer: PCNAMEDescription:Error occured at 1/31/2008 10:20:10 AM in Cognos Controller, Error No=5, Source=FrangoDirect.ServerInfoD.GetServerInfo#ControllerProxyClient, Description=System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Runtime.InteropServices.COMException (0x80004005): ORA-12541: TNS:no listener at FrServerB.ServerInfoClass.GetServerInfo(String sGuid, String sUser) at Cognos.Controller.Proxy.CCRWS.ServerInfo_GetServerInfo(String sGuid, String sUser) --- End of inner exception stack trace ---, HelpFile= HelpContext=0 Application Server Event Log: Event Type: Warning Event Source: VBRuntime Event Category: None Event tns no listener ID: 1 Date: 1/31/2008 Time: 10:08:02 AM User: N/A Computer: SERVERNAME Description: The VB Application identified by the event source logged this Application FrSrvFunc: Thread ID: 3424 ,Logged: Error occured at 1/31/2008 10:08:02 AM in FrSrvFunc, Error No=-2147467259, Source=Server function:Db_CreateConnection(..) , Description= ORA-12541: TNS:no listener, HelpFile= HelpContext=0 And: Event Type: Error Event Source: VBRuntime Event Category: None Event ID: 1 Date: 1/31/2008 Time: 10:08:02 AM User: N/A Computer: SERVERNAME Description: The VB Application identified by the event source logged this Application FrSrvFunc: Thread ID: 3424 ,Logged: Connection Error: Udl=File Name=C:\Program Files\cognos\c8\Data\DEVELOPMENT.Udl But security is OFF!!! Error No=-2147467259, Source=OraOLEDB, Description= ORA-12541: TNS:no listener, Native Error=12541, Sql State = In addition, if using TNSPING, you may get the error ' TNS-12541: TNS: no listener'. Cause There are many potential causes for 'ORA-12541 TNS:no listener' errors. For example: Scenario #1 - Tnsnames.ora file does not have the correct information required to connect to the Oracle instance See separate IBM Technote 1346169 for more details Scenario #2 - Oracle server has more than one network card, but only 1 card is conf
Last updated: April 22, 2016 - 4:40 am UTC Category: SQL*Plus � Version: 9.2.0 Latest Followup You Asked i'm running oracle on standalone computer at home.it used to work properly but from couple of days i'm getting error stating "ORA-12560: TNS:protocol adapter error " what should i do? please help.. (scott/tiger) and we said... sounds like the database is not up. you probably restarted your machine and the instance is not set to autostart C:\Documents and Settings\tkyte>sqlplus scott/tiger SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:43:55 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production With the Partitioning, OLAP and Data Mining options scott%ORA10GR1> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production With the Partitioning, OLAP and Data Mining options C:\Documents and Settings\tkyte>net stop oracleserviceora10gr1 The OracleServiceORA10GR1 service is stopping......... The OracleServiceORA10GR1 service was stopped successfully. C:\Documents and Settings\tkyte>sqlplus scott/tiger SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:44:35 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. ERROR: ORA-12560: TNS:protocol adapter error Enter user-name: ERROR: ORA-12560: TNS:protocol adapter error Enter user-name: ERROR: ORA-12560: TNS:protocol adapter error SP2-0157: unable to CONNECT to ORACLE after 3 attempts, exiting SQL*Plus C:\Documents and Settings\tkyte>net start oracleserviceora10gr1 The OracleServiceORA10GR1 service is starting.......... The OracleServiceORA10GR1 service was started successfully. C:\Documents and Settings\tkyte>sqlplus scott/tiger SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:45:12 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production With the Partitioning, OLAP and Data Mining options scott%ORA10GR1> in the above ora10gr1 is my oracle sid, you can use control panel instead - control panel -> services -> look for the services starting with Oracle. Reviews Write a Review Another method September 10, 200