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riemann / riemann-dash

An HTTP dashboard for Riemann.
MIT License
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Crashes with NoMethodError on Ruby 2.0 and OS 10.9 #51

Open jergason opened 10 years ago

jergason commented 10 years ago

I installed Riemann v0.2.4 with Homebrew on Mac OS 10.9.1, installed riemann-dash with gem install --no-ri --no-rdoc riemann-dash, started it with riemann-dash and visited it at http://localhost:4567. It looks like something is rendering incorrectly when viewed in the web browser:

screen shot 2013-12-23 at 12 50 00 pm

The sinatra server crashes with a NoMethodError. Here is the stack trace:

NoMethodError - undefined method `empty?' for nil:NilClass:
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sass-3.1.15/lib/sass/tree/root_node.rb:23:in `render'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sass-3.1.15/lib/sass/engine.rb:299:in `_render'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sass-3.1.15/lib/sass/engine.rb:246:in `render'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/tilt-1.4.1/lib/tilt/css.rb:24:in `evaluate'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/tilt-1.4.1/lib/tilt/template.rb:103:in `render'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:805:in `render'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:684:in `scss'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/riemann-dash-0.2.6/lib/riemann/dash/controller/css.rb:3:in `block in <class:App>'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1593:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1593:in `block in compile!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:957:in `[]'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:957:in `block (3 levels) in route!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:976:in `route_eval'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:957:in `block (2 levels) in route!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:997:in `block in process_route'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:995:in `catch'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:995:in `process_route'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:955:in `block in route!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:954:in `each'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:954:in `route!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1067:in `block in dispatch!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1049:in `block in invoke'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1049:in `catch'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1049:in `invoke'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1064:in `dispatch!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:889:in `block in call!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1049:in `block in invoke'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1049:in `catch'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1049:in `invoke'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:889:in `call!'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:877:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/riemann-dash-0.2.6/lib/riemann/dash/rack/static.rb:9:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-protection-1.5.1/lib/rack/protection/xss_header.rb:18:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-protection-1.5.1/lib/rack/protection/path_traversal.rb:16:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-protection-1.5.1/lib/rack/protection/json_csrf.rb:18:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-protection-1.5.1/lib/rack/protection/base.rb:50:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-protection-1.5.1/lib/rack/protection/base.rb:50:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-protection-1.5.1/lib/rack/protection/frame_options.rb:31:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/nulllogger.rb:9:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/head.rb:11:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/show_exceptions.rb:21:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:180:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:2004:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1469:in `block in call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1778:in `synchronize'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/sinatra-1.4.4/lib/sinatra/base.rb:1469:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:82:in `block in pre_process'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:80:in `catch'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:80:in `pre_process'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/eventmachine-1.0.3/lib/eventmachine.rb:1037:in `call'
    /Users/jergason/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/eventmachine-1.0.3/lib/eventmachine.rb:1037:in `block in spawn_threadpool'

Looking in the chrome dev console shows a 500 error when trying to get /css:

screen shot 2013-12-23 at 12 55 15 pm

jergason commented 10 years ago

Installing riemann-dash with Ruby 1.9.3 works fine, so it seems to be an issue with Ruby 2.0.

aphyr commented 10 years ago

I haven't tried 2.0 yet but that's good to know. Wonder if it's a bug in my SASS code or the SASS gem or what...

Jamison Dance notifications@github.com wrote:

Installing riemann-dash with Ruby 1.9.3 works fine, so it seems to be an issue with Ruby 2.0.

— Reply to this email directly or view it on GitHub.