Error while atempting to lauch project [@Win8.1-64bit]

[dedevillela]

@ MINGW64 ~/documents/github/zeppelin-grunt (master)
$ grunt --force
Running "serve" task

Running "clean:server" (clean) task

0 paths cleaned.

Running "jekyll:server" (jekyll) task
jekyll build --source app --destination .jekyll/zeppelin-grunt --config _config.yml was initiated.

Configuration file: _config.yml
jekyll 3.0.0 | Error: undefined method read_posts' for classJekyll::Site'
Warning: Used --force, continuing.
Warning: Task "jekyll:server" failed. Used --force, continuing.

Running "copy:server" (copy) task
Created 12 directories, copied 74 files
Loading "sass.js" tasks...ERROR

Error: libsass bindings not found. Try reinstalling node-sass?
Warning: Task "sass:server" failed. Used --force, continuing.

Running "autoprefixer:server" (autoprefixer) task

Running "uglify:server" (uglify) task

2 files created.

Running "connect:livereload" (connect) task
Started connect web server on http://localhost:9000

Running "watch" task
Waiting...

[ozasadnyy]

@dedevillela it's problem with Jekyll version. try to install the older one

[dedevillela]

@ozasadnyy just rolled back to jekyll-2.5.3, but it seems that Bundler did not liked that at all...
$ grunt --force
Running "serve" task

Running "clean:server" (clean) task

0 paths cleaned.

Running "jekyll:server" (jekyll) task

Error: Command failed: C:\WINDOWS\system32\cmd.exe /s /c "jekyll -v"
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/spec_set.rb:92:in block in materialize': Could not find jekyll-3.0.0 in any of the sources (Bundler::GemNotFound) from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/spec_set.rb:85:inmap!'
from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/spec_set.rb:85:in materialize' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/definition.rb:140:inspecs'
from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/definition.rb:185:in specs_for' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/definition.rb:174:inrequested_specs'
from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/environment.rb:18:in requested_specs' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:13:insetup'
from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/bundler-1.10.6/lib/bundler.rb:127:in setup' from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/jekyll-2.5.3/lib/jekyll/plugin_manager.rb:37:inrequire_from_bundler'
from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/jekyll-2.5.3/bin/jekyll:16:in <top (required)>' from C:/Ruby22-x64/bin/jekyll:23:inload'
from C:/Ruby22-x64/bin/jekyll:23:in `

'
Warning: Please install Jekyll before running this task. Used --force, continuing.
Warning: Task "jekyll:server" failed. Used --force, continuing.

Running "copy:server" (copy) task
Created 12 directories, copied 74 files
Loading "sass.js" tasks...ERROR

Error: libsass bindings not found. Try reinstalling node-sass?
Warning: Task "sass:server" failed. Used --force, continuing.

Running "autoprefixer:server" (autoprefixer) task

Running "uglify:server" (uglify) task

2 files created.

Running "connect:livereload" (connect) task
Started connect web server on http://localhost:9000

Running "watch" task
Waiting...

[dedevillela]

Got it working by forcing jekyll 2.5.3 in Gemfile, still some bumbs here and there, the problem now is JSON and SASS. The project runned in the browser withou a css...

$ grunt --force
Running "serve" task

Running "clean:server" (clean) task

2 paths cleaned.

Running "jekyll:server" (jekyll) task
jekyll build --source app --destination .jekyll/zeppelin-grunt --config _config.yml was initiated.

WARN: Unresolved specs during Gem::Specification.reset:
redcarpet (~> 3.1)
WARN: Clearing out unresolved specs.
Please report a bug if this causes problems.
Configuration file: _config.yml
Source: app
Destination: .jekyll/zeppelin-grunt
Generating...

Building site for default language: "en" to: C:/Users/dedevillela/documents/github/zeppelin-grunt/.jekyll/zeppelin-grunt
C:/Ruby22-x64/lib/ruby/2.2.0/json/version.rb:3: warning: already initialized constant JSON::VERSION
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/version.rb:3: warning: previous definition of VERSION was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/version.rb:4: warning: already initialized constant JSON::VERSION_ARRAY
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/version.rb:4: warning: previous definition of VERSION_ARRAY was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/version.rb:5: warning: already initialized constant JSON::VERSION_MAJOR
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/version.rb:5: warning: previous definition of VERSION_MAJOR was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/version.rb:6: warning: already initialized constant JSON::VERSION_MINOR
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/version.rb:6: warning: previous definition of VERSION_MINOR was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/version.rb:7: warning: already initialized constant JSON::VERSION_BUILD
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/version.rb:7: warning: previous definition of VERSION_BUILD was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/common.rb:99: warning: already initialized constant JSON::NaN
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/common.rb:99: warning: previous definition of NaN was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/common.rb:101: warning: already initialized constant JSON::Infinity
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/common.rb:101: warning: previous definition of Infinity was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/common.rb:103: warning: already initialized constant JSON::MinusInfinity
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/common.rb:103: warning: previous definition of MinusInfinity was here
C:/Ruby22-x64/lib/ruby/2.2.0/json/common.rb:128: warning: already initialized constant JSON::UnparserError
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3/lib/json/common.rb:128: warning: previous definition of UnparserError was here
Building site for language: "uk" to: C:/Users/dedevillela/documents/github/zeppelin-grunt/.jekyll/zeppelin-grunt/uk
Build complete
done.
Auto-regeneration: disabled. Use --watch to enable.

Running "copy:server" (copy) task
Created 12 directories, copied 74 files
Loading "sass.js" tasks...ERROR

Error: libsass bindings not found. Try reinstalling node-sass?
Warning: Task "sass:server" failed. Used --force, continuing.

[ozasadnyy]

As you can see you have problem with Sass compilation:

Error: libsass bindings not found. Try reinstalling node-sass?

Re-run npm install and make sure that everything is ok