java - 如何修复 com.mysql.jdbc.DocsConnectionPropsHelper
问题描述
我正在尝试将 Swing 应用程序与 DB 连接,并且每次出现此问题时
import java.sql.Connection;
import java.sql.DriverManager;
public class Connn { private static Connection connexion ;
static {
try {
Class.forName("oracle.jdbc.OracleDriver");
connexion=DriverManager.getConnection("jdbc:oracle:thin:@//localhost:1521/ds2","root", "");
System.out.println("Connexion établie");
}
catch (Exception e) {
System.out.println("connexion impossible");
e.printStackTrace();
}}
public static Connection getConnexion()
{return connexion;}
}
Erreur : 不可能的 de trouver ou Charger la classe principale com.mysql.jdbc.DocsConnectionPropsHelper
解决方案
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