[英]error when connecting to remote MySQL (host gator) server using JDBC
我正在使用Eclipse,并且尝试通过Host Gator连接到我的网站mysql数据库。 到目前为止,这是我在Main.java文件中的Eclipse代码。
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
//import java.sql.SQLException;
//import com.mysql.jdbc.Connection;
public class Main
{
public static void main(String[] args) throws Exception
{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://19x.xxx.xxx.xxx:3306/kwinrow_storage","kwinrow_admin","xxxxxxx");
PreparedStatement statement = con.prepareStatement("SELECT * FROM post_data WHERE type= 'mixtape' ORDER BY id DESC LIMIT 15");
ResultSet result = statement.executeQuery();
while(result.next())
{
System.out.println(result.getString(1) + " " + result.getString(2));
}
}
}
这是来自控制台的错误:
Exception in thread "main" java.sql.SQLException: Access denied for user 'kwinrow_admin'@'c-69-247-142-223.hsd1.tn.comcast.net' (using password: YES)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4226)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4158)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:926)
at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1748)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1288)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2508)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2541)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2323)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:832)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:408)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:417)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at Main.main(Main.java:19)
我究竟做错了什么? 我想念我什么
为了安全起见,HostGator将默认拒绝您对数据库的连接请求。
您需要将IP地址添加到“远程数据库访问主机”列表中。
以下是屏幕截图,以防万一您需要它:
这是PDO中的一个示例:
$dbh = new PDO('mysql:host=localhost;dbname=test', $user, $pass);
$query ='SELECT * FROM post_data WHERE type=:type ORDER BY id DESC LIMIT 15';
$stmt = $dbh->prepare($query);
if ($stmt->execute(array(':type'=>'mixtape'))) {
$json = array();
while ($row = $stmt->fetch()) {
$json[] = $row;
}
echo json_encode($row);
}
我将数据编码为JSON格式。
现在,您的应用程序负责对此脚本进行请求并解码JSON数据。
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