执行vagrant up失败：invalid byte sequence in UTF-8 (ArgumentError)

这个UTF-8编码错误我在Windows环境下碰到过好几次，给你几个针对性的排查和解决思路：

1. 检查工作目录路径是否含非ASCII字符 #

Vagrant基于Ruby开发，而Ruby在Windows下对含中文、特殊符号的路径兼容性很差。确保你的Vagrantfile所在的文件夹路径全是英文和数字，比如把D:/我的项目/vagrant改成D:/my-project/vagrant，之后重新在新路径下执行vagrant up。

2. 清理并重新导入CentOS 6.9 Box #

有时候下载的Box文件损坏或者编码异常，导致导入失败：

• 先删除现有Box：

  vagrant box remove centos69
  

• 重新从官方源导入（或者换国内镜像源加快速度）：

  vagrant box add centos69 https://vagrantcloud.com/centos/boxes/6.9/versions/20180102.0.0/providers/virtualbox.box
  

3. 设置Ruby编码环境变量 #

强制Vagrant内嵌的Ruby使用UTF-8编码：

1. 右键「此电脑」→ 属性 → 高级系统设置 → 环境变量
2. 点击「系统变量」下的「新建」，添加：
   • 变量名：RUBYOPT
   • 变量值：-E UTF-8:UTF-8
3. 关闭所有命令行窗口，重新打开后执行vagrant up

4. 升级Vagrant和VirtualBox版本 #

你的Vagrant 2.1.1和VirtualBox 5.2都是较旧的版本，新版本修复了很多Windows下的编码兼容问题：

• 升级Vagrant到最新稳定版
• 升级VirtualBox到6.x或7.x（注意Vagrant最新版支持对应VirtualBox版本）

你遇到的报错信息： #

> vagrant up
Bringing machine 'node1' up with 'virtualbox' provider...
==> node1: Importing base box 'centos69'...
C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/driver/base.rb:408:in `block in execute': invalid byte sequence in UTF-8 (ArgumentError)
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/util/retryable.rb:17:in `retryable'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/driver/base.rb:383:in `execute'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/driver/version_5_0.rb:311:in `import'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/action/import.rb:53:in `import'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/action/import.rb:13:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/action/prepare_clone_snapshot.rb:17:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builtin/prepare_clone.rb:15:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/action/customize.rb:40:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/virtualbox/action/check_accessible.rb:18:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:95:in `block in finalize_action'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builder.rb:116:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/runner.rb:66:in `block in run'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/util/busy.rb:19:in `busy'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/runner.rb:66:in `run'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builtin/call.rb:53:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builtin/config_validate.rb:25:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:95:in `block in finalize_action'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builtin/handle_box.rb:56:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:95:in `block in finalize_action'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builder.rb:116:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/runner.rb:66:in `block in run'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/util/busy.rb:19:in `busy'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/runner.rb:66:in `run'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/builtin/call.rb:53:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/lib/vagrant/action/warden.rb:34:in `call'
from C:/HashiCorp/Vagrant/embedded/gems/2.1.1/gems/vagrant-2.1.1/plugins/providers/

内容的提问来源于stack exchange，提问作者d-_-b