How to resolve the listener supports no services?

How to resolve the listener supports no services?

Check listener services which services are listening. Check the SID parameter known by the listener. If the right SID specified or not in the listener status. If the related service name and instance don’t exist in the listener status, then set it in the database and register it to database as follows.

Why the listener supports no services?

In most cases, the message indicates that the database instance is closed, no any database services are available. You can just startup your database and make sure the service names are correct. If you’re pretty sure that your database instance is up and running, please check the parameter of local listener.

What is local listener in Oracle?

The local listener, or default listener, is located in the Grid home when you have Oracle Grid Infrastructure installed. The listener. ora file is located in the Grid_home /network/admin directory. ora file for the Grid home listeners to define listener parameters for node and SCAN listeners.

How do I register a service name in listener?

Expand Local —> Expand Listeners –> Click on Listener at left windows.

1. Choose the Database Services on Right window from drop down.
2. Add the Database fields as shown below: Global Database Name: PDB/CDB name.
3. Save the services setting by clicking FILE –> Save Network Configuration.

How do I register a listener?

To register information with another local listener:

1. Configure the listener.
2. Configure the LOCAL_LISTENER parameter in the initialization parameter file to locate the local listener.
3. Resolve the listener name alias for the LOCAL_LISTENER or the LISTENER setting through a tnsnames.

What is the difference between scan listener and local listener?

The difference between SCAN Listener and Local Listener is SCAN listener runs corosponding to SCAN VIP’s while Local Listener runs with Node VIP or Node IP address. SCAN Listener can move to another database node in case of node failure but local Listener doesn’t have this kind of behavior.

How do I set up local listener?

You can set the local listener parameter as follows. Syntax: ALTER SYSTEM SET LOCAL_LISTENER=[“]listener_address[“][,…]; ALTER SYSTEM SET LOCAL_LISTENER='(ADDRESS=(PROTOCOl=TCP)(HOST=HOSTNAME/IP_ADRESS)(PORT=1521))’ SCOPE=BOTH; ALTER SYSTEM SET LOCAL_LISTENER='(ADDRESS=(PROTOCOl=TCP)(HOST=192.168.

What is listener registration?

In Oracle environment, we have a special component that listens to network requests to connect and pass them on to the instance. This is the listener, of course. The process in which the listener gets to know the instance is called registration.

What does it mean when listener supports no services?

I talked about some causes and solutions to ORA-12514 in another post. By the way, the formal error code of “The listener supports no services” is TNS-01030. In most cases, the message indicates that the database instance is closed, no any database services are available.

When does the listener support only cdb2?

So, as a summary: If i startup CDB2 and then the listener, the listener does not support any services. If I startup CDB after, the listener supports both dbs. If I shutdown CDB after, the listener supports only CDB2 which is what i want in the first place.

How are service handlers used in the listener?

After registration, the listener starts to deal with connections that are meant for the database. Service handlers, either dispatchers or dedicated server processes, will be used to maintain the connections. Once the connections between clients and database established, the listener stepped aside and continued to listen to new connections.