捆绑器版本不匹配-捆绑器2，Ruby 2.6 [英] Mismatched bundler version - bundler 2, ruby 2.6

问题描述

我们刚刚将ruby更新为2.6，并将bundler更新为2。现在我们得到：

We've just updated ruby to 2.6 and bundler to 2. Now we're getting:

# bin/rails console
You must use Bundler 2 or greater with this lockfile.

这以前是与 bundle exec 一起发生的：

This was previously happening with bundle exec:

# bundle exec rails console
You must use Bundler 2 or greater with this lockfile.

那时我们默认仍在运行1.17.2：

At that point we were still running 1.17.2 by default:

# gem list bundler

*** LOCAL GEMS ***

bundler (2.0.1, default: 1.17.2)

所以我们运行了 gem卸载捆绑程序--version 1.17.2 ，然后 bundle exec 开始工作。

So we ran gem uninstall bundler --version 1.17.2 and then bundle exec started working.

但是<$ c像 bin / rails 这样的$ c> bin 存根仍然失败。

But the bin stubs like bin/rails are still failing.

如何

推荐答案

The b会在运行 1.17.2 时被卸载吗？在您的答案中诊断似乎正确。但是看来您可以通过在要求之前添加此 来激活最新安装的Bundler gem（由 gem install bundler 安装）。 'bundler / setup'行：

The diagnose in your answer seems right. But it seems you can activate the latest installed Bundler gem (installed by gem install bundler) by adding this before the require 'bundler/setup' line:

Gem::Specification.find_by_name('bundler').activate

如果需要，还可以使用更具体的版本要求。例如：

More specific version requirements can also be used if needed. For example:

Gem::Specification.find_by_name('bundler', '~> 2.0.1').activate

find_by_name 抛出 LoadError 如果找不到gem，则派生异常。

find_by_name throws LoadError derived exception if the gem is not found.

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