Question

我正在尝试在Heroku上部署Flask应用程序，并且在运行时遇到此错误：

    //Instantiate a new Scanner object
    Scanner sc = new Scanner(System.in);

    //Declarations
    double rad1;        //radius 1 - used for circle and ellipse
    double rad2;        //radius 2 - used for the ellipse w/rad1

    System.out.print("Enter radius one: ");
    rad1 = sc.nextInt();
    System.out.print("Enter radius two: ");
    rad2 = sc.nextDouble();

    System.out.printf("The area of a circle with a radius of %.2f "
            + "equals %.4f\n", rad1, circularArea(rad1));
    System.out.printf("The area of an ellipse with a radius of %.2f "
            + "and %.2f equals %.4f\n", r1, r2, circularArea(rad1, rad2));

} //End Main Method

/*Method: circularArea() 
 *@ params: r1
 */
private static double circularArea(int r1) {
    return Math.PI * Math.pow(r1, 2);
}//End circularArea method

/*Method: circularArea() - overloaded
 *@ params: r1, r2
 */
private static double circularArea(double r1, double r2, String color) {
    return Math.PI * r1 * r2;
}//End overloaded circularArea method

错误：

git push heroku master

我在runtime.txt中指定了python-2.7.13。

Answer 1

我的一个朋友最近遇到了这个问题，他通过更改runtime.txt中的python版本来修复。

基于他的解决方案：尝试将runtime.txt中的python版本更改为python-3.5.2

更新：Found this，user3821012遇到了同样的问题，大多数投票回答都提出了同样的解决方案。你得试一试。

/app/.heroku/python/bin/pip：没有这样的文件或目录Python Flask Heroku部署失败

1 个答案: