3
package practice;
import java.sql.*;
import java.util.Properties;
public class DBTEst
{
private static final String dbClassName = "com.mysql.jdbc.Driver";
private static final String CONNECTION =
"jdbc:mysql://127.0.0.1/emotherearth";
public static void main(String[] args) throws
ClassNotFoundException,SQLException
{
System.out.println(dbClassName);
Class.forName(dbClassName);
Properties p = new Properties();
p.put("user","paulr");
p.put("password","welcome");
Connection c = DriverManager.getConnection(CONNECTION,p);
System.out.println("It works !");
c.close();
}
}
我是新來的數據庫,所以對於sql ..我只是在ubuntu操作系統中使用eclipse配置mysql。但是當我試圖運行該程序時,我得到如下的錯誤。用eclipse創建數據庫的問題
com.mysql.jdbc.Driver
Exception in thread "main" java.sql.SQLException: Access denied for user 'paulr'@'localhost' (using password: YES)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1086)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4237)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4169)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:928)
at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1750)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1290)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2493)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2526)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2311)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:347)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:208)
at practice.DBTEst.main(DBTEst.java:32)
我發現在論壇上同樣的問題,但並沒有解決我的問題......可能這是由於操作系統的改變,如果不是請原諒我的無知和請通過this..thanks指導您的幫助...安裝mySQL時設置的root密碼是「welcome」..
例外情況是清楚的:即用戶名和密碼不具有對數據庫的訪問。與DBA交談。您必須授予對該主機連接到數據庫的用戶名和密碼的訪問權限。 – duffymo
如何與DBA交談...什麼是DBA ...請原諒abt數據庫什麼都不知道......試圖學習.. :) – Sud
數據庫管理員 - 擁有數據庫的人。如果那是你,你需要了解如何去做。您通常在Java之外創建數據庫和表。您可以與存在的電路圖進行交互。 – duffymo