jdbc连接oracle的连接串如下:
String url="jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = host2)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = host1)(PORT = 1521))(LOAD_BALANCE = yes)(FAILOVER = ON)(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = db.domain)(FAILOVER_MODE=(TYPE = SELECT)(METHOD = BASIC)(RETIRES = 20)(DELAY = 15))))";
java测试程序如下:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;public class Test {
public static void main(String arg[]) {
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
String url="jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = host1)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = host2)(PORT = 1521))(LOAD_BALANCE = yes)(FAILOVER = ON)(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = db.domain)(FAILOVER_MODE=(TYPE = SELECT)(METHOD = BASIC)(RETIRES = 20)(DELAY = 15))))";
Connection c = DriverManager.getConnection(url,"aa","aa");
Statement s = c.createStatement();
ResultSet r = s.executeQuery("select 1 from dual");
while(r.next()) {
System.out.println(r.getString(1));
}
}catch(Exception e) {
System.out.println(e.toString());
}
}}
http://www.eygle.com/digest/2008/06/jdbcoracle_rac.html
来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/35489/viewspace-480154/,如需转载,请注明出处,否则将追究法律责任。
转载于:http://blog.itpub.net/35489/viewspace-480154/
本文提供了一个使用JDBC连接Oracle RAC集群的示例代码,详细展示了如何配置连接字符串实现负载均衡与故障转移,并通过Java程序验证连接的有效性。
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