前言：

安装redmine 是按照官方文档装的，但在配置完版本库后，点击版本就报内部错误，查看日志是和编码有关.

$ less /usr/local/redmine/log/production.logRendered repositories/show.html.erb within layouts/base (35.0ms)
Completed 500 Internal Server Error in 1103ms (ActiveRecord: 23.7ms)ActionView::Template::Error (incompatible character encodings: UTF-8 and ASCII-8BIT):21:   <% end -%>22: 23:   <% if !@repository.tags.nil? && @repository.tags.length > 0 -%>24:     | <%= l(:label_tag) %>: 25:     <%= select_tag :tag,26:                    options_for_select([''] + @repository.tags, @rev),27:                    :id => 'tag' %>app/views/repositories/_navigation.html.erb:24:in `block in _app_views_repositories__navigation_html_erb___3584056232451345
733_70300133519900'app/views/repositories/_navigation.html.erb:9:in `_app_views_repositories__navigation_html_erb___3584056232451345733_703001
33519900'app/views/repositories/show.html.erb:4:in `_app_views_repositories_show_html_erb__418140238259719496_70300134121520'app/controllers/repositories_controller.rb:125:in `show'lib/redmine/sudo_mode.rb:63:in `sudo_mode'

解决：

说明：修改原代码

 return @branches if @branches@branches = []cmd_args = %w|branch --no-color --verbose --no-abbrev|git_cmd(cmd_args) do |io|io.each_line do |line|#branch_rev = line.match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')branch_rev = line.force_encoding('UTF-8').match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')bran = GitBranch.new(branch_rev[2])bran.revision =  branch_rev[3]bran.scmid    =  branch_rev[3]bran.is_default = ( branch_rev[1] == '*' )@branches << brandef tagsreturn @tags if @tags@tags = []cmd_args = %w|tag|git_cmd(cmd_args) do |io|#@tags = io.readlines.sort!.map{|t| t.strip}@tags = io.readlines.sort!.map{|t| t.strip.force_encoding('UTF-8')}end@tagsrescue ScmCommandAbortednilend说明：#注释的代码是原代码，下一行是替换的代码

附图是代码对照图