Ora-12541 Oracle Error
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ora-12541 tns no listener 11g ORA-12541: TNS: no listener Oracle Tips by John GarmanyOra-12541 Tns No Listener Toad
You Asked: I get the ORA-12541 error message when I try to connect through Forms6i and Reports6i Builder. I've started the listener
Ora-12541: Tns:no Listener Linux
also. I have 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
Ora 12541 Tns No Listener Oracle 11g Client
repository has not been 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 tns no listener error in oracle 11g running. C:\Documents and Settings\ME>lsnrctl stat This 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
CommunityOracle User Group CommunityTopliners CommunityOTN Speaker BureauJava CommunityError: You don't have JavaScript enabled. This tool uses JavaScript and much of it will not work correctly without it enabled. Please turn JavaScript back on and reload this page. Please enter a title. You can not post a blank message. Please type your tns-12560: tns:protocol adapter error message and try again. More discussions in General Database Discussions All PlacesDatabaseGeneral Database Discussions ora-12514 tns no listener This discussion is archived 14 Replies Latest reply on Mar 7, 2011 6:41 PM by 839770 ORA-12541- TNS:No Listener Error 839770 Mar ora-12541 tns no listener windows 7, 2011 7:59 AM Dear All, I am new to oracle and this forum. I installed Oracle 11g and Oracle forms in my system. When i Try to connect to database thru SQL* Plus, am getting error http://www.dba-oracle.com/t_ora_12541_tns_no_listener.htm as "ORA-12541- TNS:No Listener". Same issue when i try to connect thru Forms Builder. This is how my tnsnames.ora looks # tnsnames.ora Network Configuration File: C:\DevSuiteHome_2\network\admin\tnsnames.ora # Generated by Oracle configuration tools. EXTPROC_CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = Pradeep-PC)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = PLSExtProc) ) ) ORACLE = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) https://community.oracle.com/thread/2188674 (SERVICE_NAME = oracle) ) ) LISTENER_ORACLE = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) ORACLR_CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC)) ) (CONNECT_DATA = (SID = CLRExtProc) (PRESENTATION = RO) ) ) Kindly guide me I have the same question Show 0 Likes(0) 20442Views Tags: none (add) ora-12541Content tagged with ora-12541 This content has been marked as final. Show 14 replies 1. Re: ORA-12541- TNS:No Listener Error Kamran Agayev A. Mar 7, 2011 8:22 AM (in response to 839770) Please post the output of the following command from db server : lsnrctl statusIf it's down, then run lsnrctl startand post all output Kamran Agayev A. Oracle ACE - - - - - - - - - - - - - - - - - - - - - My Oracle Video Tutorials - http://kamranagayev.wordpress.com/oracle-video-tutorials/ 1 person found this helpful Like Show 0 Likes(0) Actions 2. Re: ORA-12541- TNS:No Listener Error 729964 Mar 7, 2011 9:22 AM (in response to 839770) go to start run type services.msc start oracle services .. related to listener / tns /oracle sid 1 person found this helpful Like Show 0 Likes(0) Actions 3. Re: ORA-12541- TNS:No Listener Error 12cdb Mar 7, 2011 10:01 AM (in response to 839770) Have you tried??? starting the servi
log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About http://dba.stackexchange.com/questions/12384/error-ora-12541-tnsno-listener 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 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 no listener how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Error ORA-12541: TNS:no listener up vote 3 down vote favorite Whenever I try to start the listener (I just have only one Oracle database) I get the following: LSNRCTL> status Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=admin-41f89f35d)(PORT=1521))) TNS-12541: TNS:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener 32-bit Windows tns no listener Error: 61: Unknown error tnsnames.ora # TNSNAMES.ORA Network Configuration File: F:\Oracle\network\admin\tnsnames.ora # Generated by Oracle configuration tools. PROJECT = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = admin-xxxxxx)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = PROJECT) ) ) INST1_HTTP = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = admin-xxxxxx)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = SHARED) (SERVICE_NAME = MODOSE) (PRESENTATION = http://HRService) ) ) EXTPROC_CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0)) ) (CONNECT_DATA = (SID = PLSExtProc) (PRESENTATION = RO) ) ) listerner.ora # LISTENER.ORA Network Configuration File: F:\Oracle\network\admin\listener.ora # Generated by Oracle configuration tools. LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = admin-xxxxxx)(PORT = 1521)) ) ) ) SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = F:\Oracle) (PROGRAM = extproc) ) (SID_DESC = (GLOBAL_DBNAME = PROJECT) (ORACLE_HOME = F:\Oracle) (SID_NAME = PROJECT) ) ) I really don't know what the problem is. My tnsnames.ora and listener.ora files looks fine to me. oracle listener share|improve this question edited Mar 8 '12 at 21:17 Nick Chammas 9,003115591 asked Feb 7 '12 at 7:55 linkin 16112 migrated from stackoverflow.com Feb