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.
How do you resolve ORA-12514 TNS listener does not currently know of service requested in connect?
Check that the SERVICE_NAME parameter in the connect descriptor of the net service name used specifies a service known by the listener. If an easy connect naming connect identifier was used, check that the service name specified is a service known by the listener. Check for an event in the listener. log file.
How do I fix ORA 12505 error?
There are several methods of correcting error ORA-12505. Your first action to resolve this issue should be to wait a few seconds, then try to re-connect to the database again. If this attempt is unsuccessful, try checking to see which instances are known by the listener.
How do I fix ORA 12541 TNS no listener?
The Solution First, make sure that the listener is up and running. To do this, go to the Control Panel into Services under NT or listener control program (LSNRCTL). If the listener is up and running, the problem may lie with the listener not having been associated with the correct instance or protocol.
How do I configure listener Ora?
To configure a protocol address for Oracle JServer in an Oracle8i database:
- Start Oracle Net Manager.
- In the navigator pane, expand Local > Listeners.
- Select a listener.
- From the list in the right pane, select Listening Locations.
- Click Add Address.
- Select the TCP/IP or TCP/IP with SSL protocol from the Protocol list.
How do I register a listener?
To register information with another local listener:
- Configure the listener.
- Configure the LOCAL_LISTENER parameter in the initialization parameter file to locate the local listener.
- Resolve the listener name alias for the LOCAL_LISTENER or the LISTENER setting through a tnsnames.
How do I check my TNS Listener status?
Do the following:
- Log on to the host where the Oracle database resides.
- Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOME\bin.
- To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL.
- Repeat step 3 to verify that the TNS listener is running.
Where can I find listener Ora?
By default, the listener. ora file is located in the ORACLE_HOME/network/admin directory. The listener.
How do I enable TNS listener?
What is a TNS error?
ORA-12154: TNS:could not resolve the connect identifier specified. This is one of the most common Oracle errors and it is basically telling you that you are trying to connect to a database name that is unknown to the system. The most common cause are typos in your connection string or network configuration files.
How do I check my listener Ora?
ora file is located in the ORACLE_HOME/network/admin directory. The listener. ora file can also be stored the following locations: The directory specified by the TNS_ADMIN environment variable or registry value.
What is listener Ora file in Oracle?
The listener. ora file is the configuration file for a listener, which includes protocol addresses, list of services, and control parameters. The listener.