以下是错误消息：
Fetching gem metadata from https://rubygems.org/
Retrying fetcher due to error (2/4): Errno::EACCES Permission denied @ rb_sysopen - /home/rajan/.bundle/cache/compact_index/rubygems.org.443.29b0360b937aa4d161703e6160654e47/info/treetop
Retrying fetcher due to error (3/4): Errno::EACCES Permission denied @ rb_sysopen - /home/rajan/.bundle/cache/compact_index/rubygems.org.443.29b0360b937aa4d161703e6160654e47/info/treetop
Retrying fetcher due to error (4/4): Errno::EACCES Permission denied @ rb_sysopen - /home/rajan/.bundle/cache/compact_index/rubygems.org.443.29b0360b937aa4d161703e6160654e47/info/treetop
--- ERROR REPORT TEMPLATE -------------------------------------------------------
- What did you do?
I ran the command `/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/exe/bundle install`
- What did you expect to happen?
I expected Bundler to...
- What happened instead?
Instead, what actually happened was...
Error details
Errno::EACCES: Permission denied @ rb_sysopen - /home/rajan/.bundle/cache/compact_index/rubygems.org.443.29b0360b937aa4d161703e6160654e47/info/treetop
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb:32:in `initialize'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb:32:in `open'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb:32:in `open'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb:32:in `update'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb:63:in `update'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb:72:in `update_info'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb:42:in `block in dependencies'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/fetcher/compact_index.rb:83:in `call'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/fetcher/compact_index.rb:83:in `block (3 levels) in compact_index_client'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/worker.rb:65:in `call'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/worker.rb:65:in `apply_func'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/worker.rb:60:in `block in process_queue'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/worker.rb:57:in `loop'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/worker.rb:57:in `process_queue'
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/worker.rb:29:in `block (2 levels) in initialize'
Environment
Bundler 1.12.0.rc.3
Rubygems 2.2.2
Ruby 2.1.5p273 (2014-11-13 revision 0) [x86_64-linux-gnu]
GEM_HOME /home/rajan/.gem
GEM_PATH
Git 2.5.0
Bundler settings
path
Set for the current user (/home/rajan/.bundle/config): "/home/rajan/.gem"
disable_shared_gems
Set for your local app (/home/rajan/Desktop/app/.bundle/config): true
Set for the current user (/home/rajan/.bundle/config): "true"
orig_path
Set via BUNDLE_ORIG_PATH: "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"
--- TEMPLATE END ----------------------------------------------------------------
Unfortunately, an unexpected error occurred, and Bundler cannot continue.
If there aren't any reports for this error yet, please create copy and paste the report template above into a new issue. Don't forget to anonymize any private data! The new issue form is located at:
https://github.com/bundler/bundler/issues/new
run bundle exec spring binstub --all
/var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/resolver.rb:356:in `block in verify_gemfile_dependencies_are_found!': Could not find gem 'rails (= 4.2.6)' in any of the gem sources listed in your Gemfile or available on this machine. (Bundler::GemNotFound)
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/resolver.rb:331:in `each'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/resolver.rb:331:in `verify_gemfile_dependencies_are_found!'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/resolver.rb:200:in `start'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/resolver.rb:184:in `resolve'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/definition.rb:200:in `resolve'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/definition.rb:140:in `specs'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/definition.rb:185:in `specs_for'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/definition.rb:174:in `requested_specs'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/environment.rb:19:in `requested_specs'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/runtime.rb:14:in `setup'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler.rb:95:in `setup'
from /var/lib/gems/2.1.0/gems/bundler-1.12.0.rc.3/lib/bundler/setup.rb:19:in `<top (required)>'
from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
答案 0 :(得分：3)
即使运行sudo bundle install应该按照@ProperSharp的建议提供帮助，但它无法解决问题的原因。问题的原因是您当前的用户没有权限。最有可能是rvm或rvm的gemset文件夹。 RVM希望当前用户拥有gem目录。
您需要找到该文件夹并chown。或者，使用以下RVM命令为您执行此操作：
# General environment repairs
rvm repair
# Fixes issues with folder/file permissions
rvm fix-permissions
第二个命令应该有所帮助。
答案 1 :(得分：0)
在命令之前键入SUDO。
您有权限错误。