Locate Oracle Listener Port You find out the Oracle listener port number from listener.ora file. In Windows, the file is located in below directory, … Open the listener. ora file and you will get the port number (1521). … Alternatively, you can use the command LSNRCTL. Jan 12, 2014

In this article Start the registry editor. … Navigate to the following registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp. Find PortNumber. Click Edit > Modify, and then click Decimal. Type the new port number, and then click OK.

Introduction to the Oracle Listener Once the client is connected to the database instance successfully, it hands over the client connection to the server process. If the listener stops running, you cannot connect to the Oracle Database anymore. However, all the existing connections will not be affected.

A listener allows a client to connect to a replica without having to know the physical instance name of the SQL Server. Since the listener routes traffic, the client connection string does not need to be modified after a failover occurs.

Checking the database status As user root, ensure that the log and tmp directories that are used by the script are owned by the Oracle: owner user, by default oracle:dba. … As user oracle, enter the following command to ensure that the environment variable ORACLE_SID is set.

The Listener may also be referred to as the "Oracle Net Listener" or the "Oracle TNS Listener". Transparent Network Substrate (TNS) is the network protocol used by Oracle for connectivity to Oracle Databases.

The listener is a separate process that runs on the database server computer. It receives incoming client connection requests and manages the traffic of these requests to the database server. This chapter describes how to configure the listener to accept client connections.

Servlet Listener is used for listening to events in a web container, such as when you create a session or place an attribute in a session or if you passivate and activate in another container, to subscribe to these events you can configure listener in web. xml, for example, HttpSessionListener.

A user interface listener is a method which is called when the user does something (eg, click a button) that the programmer has indicated they want to be notified of. The listener method is passed an event parameter that may tell something about what happeened.

Oracle XML DB. The Oracle XML DB HTTP port is used if Web-based applications need to access an Oracle database from an HTTP listener. It is configured during installation, but you cannot view it afterward. "Changing the Oracle XML DB Ports" explains how to change its port number. Dynamic.