But we can not connect from another client on port 1521. And we can not also telnet localhost 1521 port on server. We closed windows firewall and there is no antivirus software on server. We tried following telnet commands on server but none of them worked.
If the database is on the same computer, then for the Host Name parameter, enter localhost. JDBC Port: 1521. SID: XE. Click Test Connection. If the connection is successful, the word Success! is displayed in the Status field. Figure 3–1 shows the Connection screen where you enter these details.
Java Database Connectivity with Oracle - javatpoint
Connection URL: The connection URL for the oracle10G database is jdbc:oracle:thin:@localhost:1521:xe where jdbc is the API, oracle is the database, thin is the driver, localhost is the server name on which oracle is running, we may also use IP address, 1521 is the port number and XE is the Oracle service name. You may get all these information ...
JDBC Port: 1521. Service Name: XE. If database server is on the same computer, then for the Host Name parameter, enter localhost. Figure 3-1 shows the Create Database Connection wizard screen where you enter these details.
Why can't I establish a connection to the local oracle ...
jdbc:oracle:thin:@localhost:1521:orcl12c. Use this for connecting: jdbc:oracle:thin:@localhost:1521/orcl. Note the /orcl instead of :orcl12c. : specificies an instance connection (SID), while / speficies a service connection (SERVICE_NAME). You have to specify the service name when connecting to a pluggable database, because multiple pluggable ...
C:\test> javac JDBCExample.java C:\test> java JDBCExample SQL State: 08001 No suitable driver found for jdbc:oracle:thin:@localhost:1521:orcl 2.2 Assume ojdbc8.jar and JDBCExample.java are stored in c:\test together. Define a -cp option to load everything together: > java -cp "c:\test\ojdbc8.jar;c:\test" JDBCExample Connected to the database! 3.