MySQL 中存在大量“查询结束”状态，所有连接在几分钟内就被使用

MySQL中存在大量“查询结束”状态的问题及解决方法

java
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MySQLExample {
    public static void main(String[] args) {
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
        
        try {
            // 加载数据库驱动
            Class.forName("com.mysql.jdbc.Driver");
            
            // 创建数据库连接
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "username", "password");
            
            // 创建Statement对象
            stmt = conn.createStatement();
            
            // 执行查询语句
            rs = stmt.executeQuery("SELECT * FROM users");
            
            // 处理查询结果
            while (rs.next()) {
                int id = rs.getInt("id");
                String name = rs.getString("name");
                System.out.println("ID: " + id + ", Name: " + name);
            }
            
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            // 关闭连接，释放资源
            try {
                if (rs != null) {
                    rs.close();
                }
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}