我正在尝试在我的 ubuntu 16.04 机器上设置 redmine,并且正在完成本教程。我还应该说几个月前我试图安装 redmine,遇到了一些乘客/phusion 问题并将其放在一边。所以,我开始四处搜索,发现了链接的教程。
我到了安装乘客和 NGINX 步骤并收到以下错误:
Bundler could not find compatible versions for gem "bundler":
In Gemfile:
rails (~> 4.2.5) was resolved to 4.2.6, which depends on
bundler (< 2.0, >= 1.3.0)
Current Bundler version:
bundler (2.0.2)
This Gemfile requires a different version of Bundler.
Perhaps you need to update Bundler by running `gem install bundler`?
Could not find gem 'bundler (< 2.0, >= 1.3.0)', which is required by gem 'rails
(~> 4.2.5)', in any of the sources.
然后我安装了 1.17.1 版,通过这个 q 的答案。但我仍然有同样的问题;检查捆绑器版本时,我得到了这个:
$ gem list bundler
*** LOCAL GEMS ***
bundler (default: 2.1.4, 1.17.1)
bundler-unload (1.0.2)
rubygems-bundler (1.4.5)
所以我想将新版本作为默认删除,我发现这个 q指示我查看 gems/2.7.0/specifications/default/ 目录。但是当我查看该目录时,我没有看到任何预期的 gemspec 文件,我只看到了这个:
~/.rvm/gems/ruby-2.7.0/specifications/default$ dir -lah
total 8.0K
drwxrwxr-x 2 jason jason 4.0K Jul 25 10:30 .
drwxrwxr-x 3 jason jason 4.0K Jul 25 10:30 ..
父目录的内容是:
~/.rvm/gems/ruby-2.7.0/specifications$ ls -lh
total 16K
-rw-rw-r-- 1 jason jason 2.5K Jul 25 10:26 bundler-1.17.1.gemspec
drwxrwxr-x 2 jason jason 4.0K Jul 25 10:30 default
-rw-rw-r-- 1 jason jason 4.4K Jul 25 10:28 rubygems-update- 3.1.4.gemspec
根据下面的评论,我确定了默认规范的位置
$ irb
2.7.0 :001 > Gem.default_specifications_dir
=> "/usr/share/rvm/rubies/ruby- 2.7.0/lib/ruby/gems/2.7.0/specifications/default"
2.7.0 :002 >
切换到该目录时,有很多 gemspecs。寻找捆绑器,我发现:
$ ls -al | grep bundler
-rw-rw-r-- 1 jason rvm 15100 Jul 25 10:30 bundler-2.1.4.gemspec
我将其移至父文件夹,注销并重新登录,但运行时仍然出现原始错误
sudo apt install -y nginx-extras passenger