Question: Listener refused the connectio n with the following error
I am getting the following error while trying to connect oracle database. I changed the sid in oracle listener.ora file also but the problem is not solved. Please find and reply me a solution. The error is like this as follows..
Exception in thread "main" java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descript or The Connection descriptor used by the client was: localhost:1521:orcl at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java :280) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:319) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java: 344) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:148) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtensio n.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:545) at java.sql.DriverManager.getConnection(DriverManager.java:582) at java.sql.DriverManager.getConnection(DriverManager.java:185) at ConnDemo1.main(ConnDemo1.java:12)