特にsinataraに基づくrubycas-serverで問題を解決しようとしました
rubycas-server の実行時にこのエラーが発生する
rubycas-server/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:148:in parse': couldn't parse YAML at line 167 column 2 (Psych::SyntaxError)
from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:148:inparse_stream' from /usr/local/rvm/rubies/ruby-1.9 .2-p290/lib/ruby/1.9.1/psych.rb:119: in parse'
from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:106:inload' from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/rubycas-server-1.0.1/ lib/casserver/server.rb:134:in load_config_file'
from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/rubycas-server-1.0.1/lib/casserver/server.rb:279:inblock in ' from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.2/lib/sinatra/base.rb:1273: in configure'
from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/rubycas-server-1.0.1/lib/casserver/server.rb:278:in' from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/rubycas-server-1.0.1/lib/casserver/server.rb:12:in <module:CASServer>'
from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/rubycas-server-1.0.1/lib/casserver/server.rb:11:in' from /usr/local/rvm/ rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require'
from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:inrequire' from /usr/local/rvm/gems/ruby-1.9.2-p290/gems /rubycas-server-1.0.1/lib/casserver.rb:10:in<top (required)>'
from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:inrequire' from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require'
from /usr/local/rvm/gems/ruby-1.9.2-p290/gems/rubycas-server-1.0.1/bin/rubycas-server:30:in' from /usr/local/rvm/gems/ ruby-1.9.2-p290/bin/rubycas-server:19:in load'
from /usr/local/rvm/gems/ruby-1.9.2-p290/bin/rubycas-server:19:in'
私はこの解決策を見つけました：
YAML::ENGINE.yamler= 'syck'
しかし、これもうまくいきません。誰かがすでにこのことを試して解決策を見つけた場合は、私に知らせてください
ありがとう