Ora 12541 Error
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Ora 12541 Tns No Listener Toad
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Tns No Listener Error In Oracle 11g
only takes a minute: Sign up Oracle client ORA-12541: TNS:no listener [closed] up vote 20 down vote favorite 1 I am new on Oracle database, but I have one issue, now on my Database server (server1) listener and database instance is run correctly and I can use sqlplus to connect to this DB, But when I connect to database by ora 12541 tns no listener oracle 11g client using other server, I check the TNS configuration is correct but system said ERROR: ORA-12541: TNS:no listener My database is Oracle 10gR2 So how can I solve this issue? oracle listener share|improve this question edited Sep 23 '14 at 9:26 subhashis 1,55672430 asked Nov 13 '12 at 9:58 aliasosx 1332212 closed as off-topic by Jens Erat, Annjawn, Eric Brown, g00glen00b, showdev Feb 21 '14 at 23:30 This question appears to be off-topic. The users who voted to close gave this specific reason:"Questions on professional server- or networking-related infrastructure administration are off-topic for Stack Overflow unless they directly involve programming or programming tools. You may be able to get help on Server Fault." – Jens Erat, Annjawn, Eric Brown, g00glen00b, showdevIf this question can be reworded to fit the rules in the help center, please edit the question. 3 should be a serverfault.com / dba.stackexchange.com question –Raptor Nov 13 '12 at 10:01 But when I connect to database by using other server You mean to say that when you try to connect the same database from serv
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 N no. of articles you will find
Tns-12560: Tns:protocol Adapter Error
on the internet about "ORA-12541 TNS no listener error" but still finding an ora-12514 tns no listener effective solution. Don't worry this solution helped me a lot and I hope it will help you too. I got tns-00511 the same issue while working on Oracle 10g database then I decided to share my experience and steps to resolve this issue. Error Message: ORA-12541 TNS no listener error Resolution: Now you have to http://stackoverflow.com/questions/13358656/oracle-client-ora-12541-tnsno-listener 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: Stop the listener, if listener is running. C:\>lsnrctl stop This command will stop all your listener services. Step-4: Now restart http://itbloggertips.com/2013/06/resolved-ora-12541-tns-no-listener-error/ 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 Free Blogging Tips & Technology updates in your Email !!! Subscribe via RSS feed 0 Related PostsFixed ORA-12518: TNS:listener could not hand off client connectionResolved ORA-12528: TNS:listener: all appropriate instances are blocking new connections errorFixed: ORA-01722: invalid numberOracle DBA T
example inside Event Log Technote (troubleshooting) Problem(Abstract) User tries to launch Controller. User http://www.ibm.com/support/docview.wss?uid=swg21361712 receives error message on screen. If they look at their client PC's 'application' Event Log, there is an entry there, corresponding 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 no listener server Client PC Event Log: Event Type: WarningEvent Source: Cognos ControllerEvent Category: NoneEvent ID: 0Date: 1/31/2008Time: 10:20:10 AMUser: 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 tns no listener 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 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 ar