12541 No Listener Error
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oracle error 12541 tns no listener ORA-12541: TNS: no listener Oracle Tips by John Garmany You Asked: IOra 12541 No Listener Oracle 11g
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 no listener toad 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 been
Tns 12541 No Listener Solution
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 ora 12541 tns no listener but listener is running 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
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Ora-12541 Tns No Listener 11g
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Tns No Listener Error In Oracle 11g
Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: ora 12541 tns no listener toad 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 http://www.dba-oracle.com/t_ora_12541_tns_no_listener.htm 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 1,55172430 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 http://stackoverflow.com/questions/13358656/oracle-client-ora-12541-tnsno-listener 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 port? –DazzaL Nov 13 '12 at 10:17 | show 3 more comments 4 Answers 4 active oldest votes up vote 7 down vote You need to set oracle to
log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions http://dba.stackexchange.com/questions/73944/ora-12541-tnsno-listener 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 Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for no listener 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 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 tns no listener 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 ~]# -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- LISTENER.ORA File: -------------------------------------------------------------------------------- [oracle@rubyrailssvr ~]$ more /u01/app/oracle/product/11.2.0/xe/network/admin/listener.ora # listener.ora Network Configuration File: SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = /u01/app/oracle/product/11.2.0/xe) (PROGRAM = extproc) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE)) (ADDRESS = (PROTOCOL = TCP)