Why the listener supports no services?

Why the listener supports no services?

Rationale. 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.

How do I check my listener service?

Do the following:

1. Log on to the host where the Oracle database resides.
2. Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOME\bin.
3. To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL.
4. Repeat step 3 to verify that the TNS listener is running.

How do I register a service with a listener?

ora file.

1. ALTER system command. — Connect with database and run the following command:
2. NETMGR utility. Open NET MANAGER Oracle app in windows from START button.
3. Manually make entry for Servies in listener file. Open the listener file and make entry in the listener.

What is Sid_list_listener?

The SID_LIST_LISTENER section identifies each database instance that the listener will service connections for. It lists the global database name, ORACLE_HOME, and SID. With this method, each user connection uses a shared process rather than a dedicated server process on the database server.

How do I change locallistener parameters?

If your Oracle configuration is not RAC enabled, you may as well remove the LOCAL_LISTENER parameter from your spfile in case for default port 1521 . SQL> alter system set local_listener='(ADDRESS = (PROTOCOL=TCP)(HOST=192.168. 2.210)(PORT=1521))’; System altered.

How do I start a listener in RAC?

Start Oracle Real Application Clusters Database

1. Start Oracle Clusterware or CRS: CRS starts automatically when you start or restart Server.
2. Start Node applications running on nodes.
3. Start All ASM instances from all nodes.
4. Start RAC Database Instances on all nodes.
5. Start Oracle Home LISTENER.

What is listener registration?

To receive event notifications, a listener registers with an event source. In the JNDI, the event sources implement either the EventContext or EventDirContext interface. To get an event source, you must look it up using the naming/directory service.

How are scan listeners used in 11gR2 RAC?

First of all; in 11gR2 RAC environment, we have scan listeners. As it can be clearly seen from the picture above, scan listeners are the first point of contact in a 11gR2 RAC environment. Clients are connect to the scan listeners in the first place. There are multiple scan listeners listening multiple scan ip address in the cluster.

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.

How are remote and local listeners started in 11gR2?

With the 11gR2 environment, both remote and local listeners are started from the Grid Home and when we look to the listener processes, we see they use the same binaries. Furthermore; we have a “oraagent” process to manage these listeners..

How are scan and remote listeners in Oracle?

Scan listeners register the database services via IPC/TCP through pmon and Local listeners registers both the database and ASM instances via IPC/TCP through pmon. With the 11gR2 environment, both remote and local listeners are started from the Grid Home and when we look to the listener processes, we see they use the same binaries.