我目前正在我的Rails 3.2.13应用程序中设置capistrano。我收到以下错误/详细信息（包括“第1行第1列不允许使用控制字符”）。我已经做了一些搜索，但没有看到任何与我有关的事情。
我正在使用rvm-capistrano和ruby 2.0.0-p195。我最近将我的应用程序所需的环境变量移动到了.bashrc。
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* 2013-06-10 15:18:32 executing `deploy:assets:update_asset_mtimes'
* executing "[ -e /home/deployer/apps/super_rad_app/shared/assets/manifest* ] && cat /home/deployer/apps/super_rad_app/shared/assets/manifest* || echo"
servers: ["107.20.249.163"]
[107.20.249.163] executing command
command finished in 6238ms
*** [deploy:update_code] rolling back
* executing "rm -rf /home/deployer/apps/super_rad_app/releases/20130610221258; true"
servers: ["107.20.249.163"]
[107.20.249.163] executing command
** [out :: 107.20.249.163] Using /home/deployer/.rvm/gems/ruby-2.0.0-p195
command finished in 6623ms
/home/nate/.rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/psych.rb:205:in `parse': (<unknown>): control characters are not allowed at line 1 column 1 (Psych::SyntaxError)
from /home/nate/.rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/psych.rb:205:in `parse_stream'
from /home/nate/.rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/psych.rb:153:in `parse'
from /home/nate/.rvm/rubies/ruby-2.0.0-p195/lib/ruby/2.0.0/psych.rb:129:in `load'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/recipes/deploy/assets.rb:26:in `parse_manifest'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/recipes/deploy/assets.rb:93:in `block (3 levels) in load'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:138:in `instance_eval'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:138:in `invoke_task_directly'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:25:in `invoke_task_directly_with_callbacks'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:101:in `find_and_execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/callback.rb:38:in `call'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:141:in `block in trigger'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:141:in `each'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:141:in `trigger'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:23:in `invoke_task_directly_with_callbacks'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:101:in `find_and_execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/callback.rb:38:in `call'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:141:in `block in trigger'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:141:in `each'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:141:in `trigger'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:27:in `invoke_task_directly_with_callbacks'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:110:in `block in define_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/recipes/deploy.rb:234:in `block (3 levels) in load'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:56:in `transaction'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/recipes/deploy.rb:233:in `block (2 levels) in load'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:138:in `instance_eval'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:138:in `invoke_task_directly'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:25:in `invoke_task_directly_with_callbacks'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/namespaces.rb:110:in `block in define_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/recipes/deploy.rb:201:in `block (2 levels) in load'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:138:in `instance_eval'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:138:in `invoke_task_directly'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/callbacks.rb:25:in `invoke_task_directly_with_callbacks'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/configuration/execution.rb:101:in `find_and_execute_task'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/cli/execute.rb:46:in `block in execute_requested_actions'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/cli/execute.rb:45:in `each'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/cli/execute.rb:45:in `execute_requested_actions'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/cli/help.rb:19:in `execute_requested_actions_with_help'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/cli/execute.rb:34:in `execute!'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/lib/capistrano/cli/execute.rb:14:in `execute'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/gems/capistrano-2.15.4/bin/cap:4:in `<top (required)>'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/bin/cap:23:in `load'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/bin/cap:23:in `<main>'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/bin/ruby_noexec_wrapper:14:in `eval'
from /home/nate/.rvm/gems/ruby-2.0.0-p195/bin/ruby_noexec_wrapper:14:in `<main>'
答案 0 :(得分：6)
我也有这个问题，但原因不同。我们使用的是rvm-capistrano，我们的项目有一个.rvmrc文件。 deploy：assets：update_asset_mtimes Capistrano任务在服务器上运行shell命令以捕获资产清单的内容。部署中存在.rvmrc文件生成了“你正在使用'.rvmrc'，它需要信任......”来自RVM的警告，它无意中成为了shell命令输出的一部分。我只是在使用puts语句在我的本地capistrano gem中检测assets.rb配方后才看到这个。
我通过在服务器上运行“rvm rvmrc warning ignore all.rvmrcs”修复了我的问题，然后再次部署。
另一个选择是从.rvmrc和整个信任的东西切换到使用.ruby-version方法。有关详细信息，请参阅Use rvmrc or ruby-version file to set a project gemset with RVM?。
答案 1 :(得分：2)
这来自您.bashrc中可能存在的问题。
请查看此问题以获取更多详细信息：psych.rb error when deploying with Capistrano 'mapping not allowed in this context'