import java.sql.*;
import oracle.jdbc.driver.*;
import oracle.jdbc.pool.OracleDataSource;public class TestDataSource
{
public static void main(String[] args)
{
Connection conn;
try
{
OracleDataSource ods=new OracleDataSource();
ods.setDriverType("thin");
ods.setServerName("orcl");
ods.setDatabaseName("WWW-3B5E1CC72D6");
ods.setNetworkProtocol("TCP");
ods.setPortNumber(1521);
ods.setUser("myoracle");
ods.setPassword("elcaroym");
conn=ods.getConnection();
}
catch(SQLException e)
{
System.out.println("Caught: "+e);
System.exit(1);
}
}
}jdk编译出现如下错误:
Caught: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
为什么?请各位高手指点?
import oracle.jdbc.driver.*;
import oracle.jdbc.pool.OracleDataSource;public class TestDataSource
{
public static void main(String[] args)
{
Connection conn;
try
{
OracleDataSource ods=new OracleDataSource();
ods.setDriverType("thin");
ods.setServerName("orcl");
ods.setDatabaseName("WWW-3B5E1CC72D6");
ods.setNetworkProtocol("TCP");
ods.setPortNumber(1521);
ods.setUser("myoracle");
ods.setPassword("elcaroym");
conn=ods.getConnection();
}
catch(SQLException e)
{
System.out.println("Caught: "+e);
System.exit(1);
}
}
}jdk编译出现如下错误:
Caught: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
为什么?请各位高手指点?
LSNRCTL START
前提是保证网络是通的.