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Error Oracle Connection Error Ora-12154

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TNS:received bad packet type from network layer Cause: Internal error. Action: Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Worldwide Customer ora 12154 error in oracle 11g Support. ORA-12152: TNS:unable to send break message Cause: Unable to send break message. ora 12154 error in oracle 10g Connection probably disconnected. Action: Reestablish connection. If the error is persistent, turn on tracing and reexecute the operation. ORA-12153: TNS:not ora 12154 tns error in oracle connected Cause: Not currently connected to a remote host. Action: Reestablish connection. ORA-12154: TNS:could not resolve the connect identifier specified Cause: A connection to a database or other service was requested using a

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connect identifier, and the connect identifier specified could not be resolved into a connect descriptor using one of the naming methods configured. For example, if the type of connect identifier used was a net service name then the net service name could not be found in a naming method repository, or the repository could not be located or reached. Action: - If you are using local ora 12154 oracle 9i naming (TNSNAMES.ORA file): - Make sure that "TNSNAMES" is listed as one of the values of the NAMES.DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.ORA) - Verify that a TNSNAMES.ORA file exists and is in the proper directory and is accessible. - Check that the net service name used as the connect identifier exists in the TNSNAMES.ORA file. - Make sure there are no syntax errors anywhere in the TNSNAMES.ORA file. Look for unmatched parentheses or stray characters. Errors in a TNSNAMES.ORA file may make it unusable. - If you are using directory naming: - Verify that "LDAP" is listed as one of the values of the NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA). - Verify that the LDAP directory server is up and that it is accessible. - Verify that the net service name or database name used as the connect identifier is configured in the directory. - Verify that the default context being used is correct by specifying a fully qualified net service name or a full LDAP DN as the connect identifier - If you are using easy connect naming: - Verify that "EZCONNECT" is listed as one of the values of th

server but either failed to contact the server or did not find a matching service name on that server. TNS or 'Transparent Network Substrate' is a transport protocol that allows Oracle sessions to communicate across a network. oracle dblink ora 12154 DB Server <=> Listener <=> Network connection <=> Client (SQL*Net) <=> Application. In the path

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above, tnsping can be used to test the parts in bold and should be the first troubleshooting step. If tnsping fails, that

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generally indicates a problem finding the server connection - if TNSNAMES specifies an IP address, is it correct?, if it's a DNS name, is that resolving correctly? (try switching for an IP address to find out.) If https://docs.oracle.com/cd/B19306_01/server.102/b14219/net12150.htm tnsping succeeds, that can indicate a problem with the client configuration but could equally be that the connection is working as far as the listener but the database is down. Try comparing with another PC - if multiple machines are failing that usually points towards a server issue. Ora-12154 can be a tricky problem to nail down because there are many possible causes, try making a connection directly on the server or completely regenerate http://ss64.com/ora/syntax-ora-12154.html the TNSNAMES.ORA file on the client. ORA-12154 description: Cause: A connection to a database or other service was requested using a connect identifier, and the connect identifier specified could not be resolved into a connect descriptor using one of the naming methods configured. For example, if the type of connect identifier used was a net service name then the net service name could not be found in a naming method repository, or the repository could not be located or reached. Action: Local naming (TNSNAMES.ORA file): - Make sure that "TNSNAMES" is listed as one of the values of the NAMES.DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.ORA) - Verify that a TNSNAMES.ORA file exists and is in the proper directory and is accessible. - Check that the net service name used as the connect identifier exists in the TNSNAMES.ORA file. - Make sure there are no syntax errors anywhere in the TNSNAMES.ORA file. Look for unmatched parentheses or stray characters. Errors in a TNSNAMES.ORA file can make it unusable. Directory Naming: - Verify that "LDAP" is listed as one of the values of the NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA). - Verify that the LDAP directory server is up and that it is accessible. - Verify that the net service name or database name used as the c

Du siehst YouTube auf Deutsch. Du kannst diese Einstellung unten ändern. Learn more You're viewing YouTube in German. You can change this preference below. Schließen Ja, ich möchte sie behalten Rückgängig machen Schließen Dieses Video ist nicht verfügbar. WiedergabelisteWarteschlangeWiedergabelisteWarteschlange https://www.youtube.com/watch?v=QVJ1xO2V7Dc Alle entfernenBeenden Wird geladen... Wiedergabeliste Warteschlange __count__/__total__ How to resolve the ora 12154 error DBA Pro AbonnierenAbonniertAbo beenden1.9631 Tsd. Wird geladen... Wird geladen... Wird verarbeitet... Hinzufügen Möchtest du dieses Video später noch einmal https://www.datavail.com/blog/ora-12154-tnscould-not-resolve-the-connect-identifier-specified/ ansehen? Wenn du bei YouTube angemeldet bist, kannst du dieses Video zu einer Playlist hinzufügen. Anmelden Teilen Mehr Melden Möchtest du dieses Video melden? Melde dich an, um unangemessene Inhalte zu melden. ora 12154 Anmelden Statistik 49.740 Aufrufe 42 Dieses Video gefällt dir? Melde dich bei YouTube an, damit dein Feedback gezählt wird. Anmelden 43 17 Dieses Video gefällt dir nicht? Melde dich bei YouTube an, damit dein Feedback gezählt wird. Anmelden 18 Wird geladen... Wird geladen... Wird geladen... Die Bewertungsfunktion ist nach Ausleihen des Videos verfügbar. Diese Funktion ist zurzeit nicht verfügbar. Bitte versuche es später erneut. error in oracle Veröffentlicht am 31.01.2014In this tutorial you will learn how to resolve the ora 12145 error. Kategorie Menschen & Blogs Lizenz Standard-YouTube-Lizenz Mehr anzeigen Weniger anzeigen Wird geladen... Autoplay Wenn Autoplay aktiviert ist, wird die Wiedergabe automatisch mit einem der aktuellen Videovorschläge fortgesetzt. Nächstes Video How to Fix ORACLE 6i Error "ORA-12154: TNS:could not resolve the connect identifier specified". - Dauer: 4:02 SYED AIZAD RAZA KAZMI 3.087 Aufrufe 4:02 Oracle - Understanding the tnsnames.ora and listener.ora files - Dauer: 12:46 Chris Ostrowski 88.976 Aufrufe 12:46 ora - 12514 and ora - 12505 tns listener error fixed in 90 seconds - Dauer: 1:30 CBOT 1.621 Aufrufe 1:30 解决 Oracle ora-12514错误 - Dauer: 33:45 Maclean Liu 1.025 Aufrufe 33:45 Listener Basics For DBA - Dauer: 45:23 Satish Lodam 13.746 Aufrufe 45:23 Oracle - TNS : Protocol Adapter Error Working Solution - Dauer: 0:57 Srijit Banerjee 49.056 Aufrufe 0:57 Oracle 10g Listener and Database Creation - Dauer: 6:05 Recouner 7.681 Aufrufe 6:05 Easy guidelines to fix Error 12514 - Dauer: 1:24 rhina disouza 2.023 Aufrufe 1:24 Best way to connect Oracle with Visual Studio .NET (no BadImageFormatException or mismatch error) - Dauer: 9:45 Samiu

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