How do I fix my ORA 12154?
Resolution
- Option #1. Make sure that the TNSNAMES. ORA file exists and is in the correct directory.
- Option #2. Make sure that the service name that you are connecting to is included in the TNSNAMES. ORA file and that it is correctly defined.
- Option #3. Make sure that there are no syntax errors in the TNSNAMES. ORA file.
How do you solve ORA 12154 TNS could not resolve the connect identifier specified?
The Solution
- Make sure that “TNSNAMES” is listed as one of the values of the NAMES. DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.
- Verify that a TNSNAMES.
- Check that the net service name used as the connect identifier exists in the TNSNAMES.
- Make sure there are no syntax errors anywhere in the TNSNAMES.
How do I fix my ORA 12514?
The solutions to ORA-12514 are to make sure the following things:
- The database is available. If there’s no instance, then no service name will register with the listener.
- The service names are matched.
- The host and port are both right.
- Instance registers it services with the right listener.
What SQL ora file?
The sqlnet. ora file is the profile configuration file. It resides on the client machines and the database server. Profiles are stored and implemented using this file. The database server can be configured with access control parameters in the sqlnet.
What is purpose of Sqlnet ora file?
The sqlnet. ora file is very important file for database server and client machines, because it includes the profile configuration file ( tracing options, encryption, route of connections, external naming parameters etc). Database server can be configured with access control parameters using the sqlnet.
How do I fix ORA 12514 TNS listener does not currently know of service requested in connect descriptor?
Action:
- Wait a moment and try to connect a second time.
- Check which services are currently known by the listener by executing: lsnrctl services.
- Check that the SERVICE_NAME parameter in the connect descriptor of the net service name used specifies a service known by the listener.