C:\MyNovel>narou trace
--- 2020/06/22 09:11:27 ---
C:/Ruby27-x64/bin/narou web --boot
C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/web/web-socket-ruby/lib/web_socket.rb:466:in `initialize': Permission denied - bind(2) for "192.168.100.12" port 56083 (Errno::EACCES)
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/web/web-socket-ruby/lib/web_socket.rb:466:in `open'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/web/web-socket-ruby/lib/web_socket.rb:466:in `initialize'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/web/pushserver.rb:34:in `new'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/web/pushserver.rb:34:in `run'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/command/web.rb:130:in `boot'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/command/web.rb:87:in `execute'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/commandbase.rb:125:in `execute!'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/commandbase.rb:134:in `execute!'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/commandline.rb:29:in `run'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/commandline.rb:43:in `run!'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/narou.rb:50:in `block in <top (required)>'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/lib/backtracer.rb:16:in `capture'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/narou.rb:49:in `<top (required)>'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/bin/narou:13:in `require_relative'
from C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/narou-3.5.1/bin/narou:13:in `<top (required)>'
from C:/Ruby27-x64/bin/narou:23:in `load'
from C:/Ruby27-x64/bin/narou:23:in `<main>'
