66000 Error
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Ora-12518, Tns:listener Could Not Hand Off Client Connection
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Tags Users Badges Ask Question x Dismiss Join the 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: Sign up ORA-12514 error on **DBVisualizer** up vote 2 down vote favorite 1 Please help with this error on DBVisualizer. No oracle or Sql is https://www.ibm.com/developerworks/community/forums/thread.jspa?messageID=14730842 installed i just simply use DBVisualizer. I have read lot of answers here on stackoverflow but not able to find a suitable answer. Note : I used Oracle Thin Driver for connection.I have used latest updated version and also tried old version too. An error occurred while establishing the connection: Long Message: Listener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptor Details: Type: java.sql.SQLException http://stackoverflow.com/questions/31065948/ora-12514-error-on-dbvisualizer Error Code: 12514 SQL State: 66000 database-connection sqlexception dbvisualizer share|improve this question edited Jul 6 '15 at 6:49 asked Jun 26 '15 at 5:58 PeacefulWarrior 392322 1 Please try another DB Visualizer from visualstudiogallery.msdn.microsoft.com/… which I've written to work against any RDBMS or Flat file data source. Works well with Oracle and would give you exact error details. –Venkat Jul 13 '15 at 5:14 @Venkat I clicked on "Get Now" button on your link.I am not able to download.I tried after login also. no download link on your website too. –PeacefulWarrior Jul 13 '15 at 8:16 1 Thanks @PeacefulWarrior on notifying bad url. I just corrected the link. Please check. –Venkat Jul 13 '15 at 12:21 add a comment| 2 Answers 2 active oldest votes up vote 2 down vote accepted +50 Sounds to me like the environment isn't set to the right path for oracle drivers to be found. Has this worked before? I ask because you say: "No oracle or Sql is installed" Which is a little odd, in my opinion. Typically your environment must state "where to look" for db drivers. Shot in the dark, but setting something like: TNS_ADMIN=/opt/oracle/instantclient_11_2 or TNS_ADMIN=C:\path\to\oracle\thin\drivers might work. Next suggestion is to follow this and see if setting TNS_NAMES makes a difference: ORA-12514 TNS:listener does not currently know of serv
Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 March 2010 Status: Offline Points: http://www.baystateconsulting.com/forum/forum_posts.asp?TID=1074 4 Post Options Post Reply Quotesunny Report Post Thanks(0) QuoteReply Topic: Error 66000Posted: 01 April 2010 at 2:22pm I changed the language settings like you instructed http://www.dadbm.com/oracle-listener-refused-connection-ora-12519-troubleshooting/ me to, but now I can't even register it again... It shows me this error number 66000 and it says "or your computer system has changed or listener refused the serial number is not correct for this machine..."But the serial number I actually had copied/pasted on to it, so i don't think it's the serial number... Administrator Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 01 October 2003 Status: Offline Points: 2887 Post Options Post Reply QuoteAdministrator Report listener refused the Post Thanks(0) QuoteReply Posted: 01 April 2010 at 3:12pm You will have to contact support via email at support at baystateconsulting.com. Note that toggling that language setting will reset your license. Post Reply Tweet Forum Jump -- Select Forum -- Announcements FAQ: Transaction Pro Importer for QuickBooks 01 Transaction Pro Importer 5.0/6.0 Intuit App Center - Transaction Pro Importer QBOE 01 Transaction Pro Importer for QBOE 01 Transaction Pro Exporter 01 Transaction Pro Deleter 01 Transaction Pro Modifier Autotask ConEst LexisNexis Firm Manager Country Club Manager Pro Customer Loan Manager Pro Multi-Company Bill Disbursement Utility 01 Transaction Pro Importer 2.0 [Product retired 12/31/2010] Alpha Five Accounting Forum Permissions You cannot post new topics in this forumYou cannot reply to topics in this forumYou cannot delete your posts in this forumYou cannot edit your posts in this forumYou cannot create polls in this forumYou cannot vote in polls in this forum Forum Software by Web Wiz Forums version 10.16Copyright ©2001-2013 Web Wiz Ltd.
Bookmark & Share: ← Previous article Next article→ Oracle Listener refused connection ORA-12519 troubleshooting November 11, 2011 by Kirill Loifman 12 Comments Platform Oracle database 11gR2 (11.2.0.2.2) Problem New database connection attempts to Oracle database 11gR2 fail with following Oracle error: Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found [SQLCode: 12519], [SQLState: 66000] None None Possible reason One of the most common reasons for the TNS-12516 and/or TNS-12519 Oracle error being reported on Oracle 11gR2 is the configured maximum number of PROCESSES and/or SESSIONS limitation being reached. When this occurs, the service handlers for the TNS Listener become "Blocked" and no new connections can be made. Once the TNS Listener receives an update from the PMON process associated with the database instance telling the TNS Listener the thresholds are below the configured limit, and the database is now accepting connections connectivity resumes. Solution There are different ways to check if a database instance reaches the maximum number of processes on Oracle 11gR2. One of the quickest SQL see below: select * from v$resource_limit where resource_name = 'processes'; If this is the case, to fix this Oracle error, increase the PROCESSES parameter value to allow the Oracle database Listener to spawn more server process as required in your environment. It might be further investigation required though. Update: 16-Dec-2011 Sometimes when listener throws a TNS error the number of actual processes can be below the limit. See below why this can happen. When the listener believes the current number of connections has reached maximum load, it may set the state of the service handler for an instance to "blocked" and begin refusing incoming client connections with either of the following errors: ora-12519 or ora-12516. Once the TNS Listener receives an update from the PMON process associated with the Database instance telling the TNS Listener the thresholds are below the configured limit, and the database is then accepting connections connectivity resumes. The listener counts the number of connections it has established to the instance but does