No Listener Error In Oracle
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Tns No Listener Error In Oracle 11g
Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each ora-12541 tns no listener toad other. Join them; it 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
Ora-12514 Tns No Listener
(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 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 ora-12541: tns:no listener linux 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 server? –user75ponic Nov 13 '12 at 10:01 I mean I connect to Database server by client by sqlplus or sql developer on Sqldeveloper Error "An error was encountered performing the requested operation: The Network Adapter could not establish the connection Vendor code 20" –aliasosx Nov 13 '12 at 10:04 So you are able to connect to database using sqlplus but not from SQL Developer? –user75ponic Nov 13 '12 at 10:13 you've verified the listener is up on the "server1" box, verified its port number, and checked the TNSNames/connection string on the other server that it matches the ip/hostname and
Anil Kumar on June 26, 2013 All Posts, Database, Oracle DBA 18 Comments Resolved ORA-12541: TNS no listener error 4.57 (91.43%)
Ora 12541 Tns No Listener Oracle 11g Client
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Tns-12560: Tns:protocol Adapter Error
about "ORA-12541 TNS no listener error" but still finding an effective solution. Don't worry this solution helped me tns-00511: no listener a lot and 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 http://stackoverflow.com/questions/13358656/oracle-client-ora-12541-tnsno-listener to resolve this 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 http://itbloggertips.com/2013/06/resolved-ora-12541-tns-no-listener-error/ 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 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.
log in tour help Tour Start here for a quick overview of the http://dba.stackexchange.com/questions/73944/ora-12541-tnsno-listener site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges no listener Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can tns no listener ask a question Anybody can answer The best answers are voted up and rise to the top ORA-12541: TNS:no listener up vote 3 down vote favorite 1 I've been working this issue all day, reading posts here and other locations. I'm just not able to get past this error. I can connect just fine locally on my server (CentOS), but continue to get the TNS:no listener error when trying to connect via my Mac (OSX Mavericks) which is on the same subnet. Below are some notes I've captured based on what information I see that has been requested for this type of issue: -------------------------------------------------------------------------------- MISC NETWORK CONFIG: -------------------------------------------------------------------------------- [root@rubyrailssvr ~]# more /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.1.14 rubyrailssvr.homenet.com [root@rubyrailssvr ~]# [root@rubyrailssvr ~]# more /etc/sysconfig/network NETWORKING=yes HOSTNAME=rubyrailssvr.homenet.com [root@rubyrailssvr ~]# -------------------------------------------------------------------------------- ------------------