redmine 安装失败，超类与 SyntaxError 类不匹配

Question

我正在尝试安装 redmine-2.4.1，但我收到类 SyntaxError 的超类不匹配。这里可能有什么问题？

ruby -v
ruby 2.0.0p353 (2013-11-22 revision 43784) [x86_64-linux]

rails -v
Rails 3.2.15

lsb_release -a 
LSB Version:    :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: CentOS
Description:    CentOS release 5.4 (Final)
Release:        5.4
Codename:       Final

    $ rake generate_secret_token --trace
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::ANY
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::UTF8
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::UTF16LE
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::UTF16BE
    耙子中止！
    类 SyntaxError 的超类不匹配
    /usr/local/lib/ruby/2.0.0/psych/syntax_error.rb:5:in `'
    /usr/local/lib/ruby/2.0.0/psych/syntax_error.rb:1:in `'
    /usr/local/lib/ruby/2.0.0/psych.rb:1:in `require'
    /usr/local/lib/ruby/2.0.0/psych.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_hash.rb:2:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_hash.rb:2:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_options.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_options.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/configuration.rb:2:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/configuration.rb:2:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/railtie.rb:2:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/railtie.rb:2:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/engine.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/engine.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/plugin.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/plugin.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/application.rb:3:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/application.rb:3:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails.rb:10:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails.rb:10:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/all.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/all.rb:1:in `'
    /opt/app/redmine/config/application.rb:3:in `require'
    /opt/app/redmine/config/application.rb:3:in `'
    /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
    /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
    /opt/app/redmine/Rakefile:5:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/rake_module.rb:25:in `load'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/rake_module.rb:25:in `load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:637:in `raw_load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:94:in `block in load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:165:in `standard_exception_handling'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:93:in `load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:77:in `block in run'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:165:in `standard_exception_handling'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:75:in `run'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/bin/rake:33:in `'
    /usr/local/bin/rake:23:in `load'
    /usr/local/bin/rake:23:in `'


    $ RAILS_ENV=production rake db:migrate --trace
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::ANY
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::UTF8
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::UTF16LE
    /usr/local/lib/ruby/2.0.0/x86_64-linux/psych.so：警告：已初始化常量 Psych::Parser::UTF16BE
    耙子中止！
    类 SyntaxError 的超类不匹配
    /usr/local/lib/ruby/2.0.0/psych/syntax_error.rb:5:in `'
    /usr/local/lib/ruby/2.0.0/psych/syntax_error.rb:1:in `'
    /usr/local/lib/ruby/2.0.0/psych.rb:1:in `require'
    /usr/local/lib/ruby/2.0.0/psych.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_hash.rb:2:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_hash.rb:2:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_options.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-3.2.15/lib/active_support/ordered_options.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/configuration.rb:2:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/configuration.rb:2:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/railtie.rb:2:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/railtie.rb:2:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/engine.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/engine.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/plugin.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/plugin.rb:1:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/application.rb:3:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/application.rb:3:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails.rb:10:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails.rb:10:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/all.rb:1:in `require'
    /usr/local/lib/ruby/gems/2.0.0/gems/railties-3.2.15/lib/rails/all.rb:1:in `'
    /opt/app/redmine/config/application.rb:3:in `require'
    /opt/app/redmine/config/application.rb:3:in `'
    /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
    /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
    /opt/app/redmine/Rakefile:5:in `'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/rake_module.rb:25:in `load'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/rake_module.rb:25:in `load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:637:in `raw_load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:94:in `block in load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:165:in `standard_exception_handling'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:93:in `load_rakefile'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:77:in `block in run'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:165:in `standard_exception_handling'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/lib/rake/application.rb:75:in `run'
    /usr/local/lib/ruby/gems/2.0.0/gems/rake-10.1.1/bin/rake:33:in `'
    /usr/local/bin/rake:23:in `load'
    /usr/local/bin/rake:23:in `'

Answer 1

你用谷歌搜索过你的问题吗？

看看http://www.redmine.org/boards/2/topics/36728

gem 'psych'redmine问题的作者通过添加到Gemfile（当然还有运行）来解决问题bundle install。尝试一下 - 也许对你有帮助