com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
package com.servlet;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.bean.Message;
/*
* 列表页面初始化控制
*
*/
@SuppressWarnings("serial")
public class ListServlet extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
try {
Class.forName("com.mysql.jdbc.Driver");
Connection conn = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3360/micro_message?autoReconnect=true","root","root");
String sql = "select ID,COMMAND,DESCRIPTION,CONTENT from MESSAGE";
PreparedStatement statement = conn.prepareStatement(sql);
ResultSet rs = statement.executeQuery();
List<Message>messageList = new ArrayList<Message>();
while(rs.next()){
Message message = new Message();
messageList.add(message);
message.setId(rs.getString("ID"));
message.setCommand(rs.getString("COMMAND"));
message.setDescription(rs.getString("DESCRIPTION"));
message.setContent(rs.getString("CONTENT"));
}
req.setAttribute("messageList", messageList);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
req.getRequestDispatcher("/WEB-INF/jsp/back/list.jsp").forward(req,resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
this.doGet(req, resp);
}
}
