[JSDetox] Loading framework ... done.
[JSDetox] Starting webserver (hit Ctrl-C to quit) ...
=> Padrino/0.10.7 has taken the stage development at http://127.0.0.1:3000
[2017-06-29 15:10:09] INFO WEBrick 1.3.1
[2017-06-29 15:10:09] INFO ruby 2.3.1 (2016-04-26) [x86_64-linux-gnu]
[2017-06-29 15:10:09] INFO WEBrick::HTTPServer#start: pid=58596 port=3000
Thread.exclusive is deprecated, use Mutex
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/reloader.rb:247:in `call'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/logger.rb:388:in `call'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/showexceptions.rb:21:in `call'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/base.rb:1417:in `block in call'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/base.rb:1499:in `synchronize'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/base.rb:1417:in `call'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/router.rb:83:in `block in call'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/router.rb:76:in `each'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/router.rb:76:in `call'
/var/lib/gems/2.3.0/gems/rack-1.6.8/lib/rack/handler/webrick.rb:88:in `service'
/usr/lib/ruby/2.3.0/webrick/httpserver.rb:140:in `service'
/usr/lib/ruby/2.3.0/webrick/httpserver.rb:96:in `run'
/usr/lib/ruby/2.3.0/webrick/server.rb:296:in `block in start_thread'
[2017-06-29 15:10:10] ERROR NoMethodError: undefined method `join' for #<String:0x00000003d148d8>
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/showexceptions.rb:37:in `rescue in call'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/showexceptions.rb:21:in `call'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/base.rb:1417:in `block in call'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/base.rb:1499:in `synchronize'
/var/lib/gems/2.3.0/gems/sinatra-1.3.6/lib/sinatra/base.rb:1417:in `call'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/router.rb:83:in `block in call'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/router.rb:76:in `each'
/var/lib/gems/2.3.0/gems/padrino-core-0.10.7/lib/padrino-core/router.rb:76:in `call'
/var/lib/gems/2.3.0/gems/rack-1.6.8/lib/rack/handler/webrick.rb:88:in `service'
/usr/lib/ruby/2.3.0/webrick/httpserver.rb:140:in `service'
/usr/lib/ruby/2.3.0/webrick/httpserver.rb:96:in `run'
/usr/lib/ruby/2.3.0/webrick/server.rb:296:in `block in start_thread'
# curl 127.0.0.1:3000
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<HTML>
<HEAD><TITLE>Internal Server Error</TITLE></HEAD>
<BODY>
<H1>Internal Server Error</H1>
undefined method `join' for #<String:0x00000003d148d8>
<HR>
<ADDRESS>
WEBrick/1.3.1 (Ruby/2.3.1/2016-04-26) at
127.0.0.1:3000
</ADDRESS>
</BODY>
</HTML>
Take a look please?