[英]java.sql.SQLException: No suitable driver found. Already added connector jar to Tomcat's lib folder
將Tomcast 6.0與Eclipse Java Jee Neon結合使用。 我已經將jar放入tomcast的lib中,如下所示:“ C:\\ Program Files \\ Apache Software Foundation \\ Tomcat 6.0 \\ lib \\ mysql-connector-java-5.1.40-bin.jar”
還有什么可能導致此問題? 非常感謝您的幫助!
我的代碼(Servlet):
package Servlet;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Servlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// TODO Auto-generated method stub
String name = req.getParameter("name");
String lastname = req.getParameter("lastname");
String cedula = req.getParameter("cedula");
try {
InsertClient(name, lastname, cedula);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
resp.getWriter().println("<html>");
resp.getWriter().println("<head>");
resp.getWriter().println("<title>Cliente agregado!</title>");
resp.getWriter().println("</head>");
resp.getWriter().println("<body>");
resp.getWriter().println("Cliente fue agregado.");
resp.getWriter().println("</body>");
resp.getWriter().println("</html>");
}
public static void InsertClient(String Name, String Lastname, String Cedula) throws Exception{
try{
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/testdb", "root", "1990");
PreparedStatement insert = con.prepareStatement("INSERT INTO Cliente(Nombre, Apellido, Cedula) VALUES ('"+Name+"', '"+Lastname+"', '"+Cedula+"')");
insert.executeUpdate();
}catch(Exception e){System.out.println(e);}
finally{System.out.println("Insertion complete.");}
}
}
如果使用動態Web項目創建項目,則必須將所有jar文件添加到Web-Inf lib文件夾下。 希望這可以幫助。
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