用jdbc连接oracl的问题(都一个星期了!!!!!!!)
see22 2003-03-14 05:21:22 import java.sql.*;
import java.text.*;
import java.util.*;
public class JDBCExample{
public static void main(String args[]){
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
String url="jdbc:oracle:thin:@10.0.18.101:1521:nmsdb2";
Connection conn=DriverManager.getConnectionurl,"informix","informix");
Statement stmt=conn.createStatement();
}catch(Exception e){
e.printStackTrace();
}
}
}
可是运行后提示:
---------- java ----------
java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:114)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:156)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:210)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:251)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:224)
at java.sql.DriverManager.getConnection(DriverManager.java:517)
at java.sql.DriverManager.getConnection(DriverManager.java:177)
at JDBCExample.main(JDBCExample.java:20)
Normal Termination
Output completed (3 sec consumed).
请各位高手救救命