JDBC嵌入式Derby:找不到合适的驱动程序 [英] JDBC embedded Derby: No suitable driver found

问题描述

我正在尝试编写带有嵌入式Derby的程序，但是当我运行它时，它显示:

I'm trying to write a program with embedded Derby, but when I run it, it displays:

run:
Jul 14, 2017 9:19:54 PM gfdh.Login Doconnect
SEVERE: null
java.sql.SQLException: No suitable driver found for jdbc:derby:gdtu:create=true
...

代码:

public class Login extends javax.swing.JFrame {

Connection con;
Statement stmt;
ResultSet rs;

private static final String DRIVER = "org.apache.derby.jdbc.EmbeddedDriver";
private static final String JDBC_URL = "jdbc:derby:gdtu:create=true";

public Login(){
    initComponents();
    Doconnect();
}

private void Doconnect(){

    try {
        this.con = DriverManager.getConnection(JDBC_URL);
        if(this.con != null){
            System.out.println("Connected to database");
        }
    } catch (SQLException ex) {
        Logger.getLogger(Login.class.getName()).log(Level.SEVERE, null, ex);
    }


}

}
}

推荐答案

gdtu之后的列应替换为分号.

the column after gdtu should be replaced with semicolon.

private static final String JDBC_URL = "jdbc:derby:gdtu;create=true";

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