"rake assets:precompile" gives punc error
I'm trying to precompile my assets for production, but rails doesn't seem to be cooperating.
$ bundle exec rake assets:precompile
/home/drderp/.rvm/rubies/ruby-1.9.3-p194/bin/ruby /home/drderp/.rvm/gems/ruby-1.9.3-p194@global/bin/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets
rake aborted!
Unexpected token punc, expected punc (line: 213, col: 13, pos: 5986)
Error
at new JS_Parse_Error (<eval>:1720:22)
at js_error (<eval>:1728:15)
at croak (<eval>:2189:17)
at token_error (<eval>:2196:17)
at expect_token (<eval>:2209:17)
at Object.expect (<eval>:2212:40)
at Object.1 (<eval>:2763:38)
at prog1 (<eval>:2770:28)
at <eval>:2560:51
at maybe_unary (<eval>:2665:27)
(in /home/drderp/projects/p/app/assets/javascripts/application.js)
Tasks: TOP => assets:precompile:primary
(See full trace by running task with --trace)
rake aborted!
Command failed with status (1): [/home/drderp/.rvm/rubies/ruby-1.9.3-p194/b...]
Tasks: TOP => assets:precompile
(See full trace by running task with --trace)
This is the entire contents of application.js:
// This is a manifest file that'll be compiled into application.js, which will include all the files
// listed below.
//
// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
//
// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
// the compiled file.
//
// Since javascript, no matter what order you load it in, executes in different order, it doesn't
// matter
//
// WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
// GO AFTER THE REQUIRES BELOW.
//
//= require jquery
Rails version 3.2.8, running on Ruby 1.9.3.
edit:
Here's bundle exec rake assets:precompile --trace, as requested:
$ bundle exec rake assets:precompile --trace
** Invoke assets:precompile (first_time)
** Execute assets:precompile
/home/drderp/.rvm/rubies/ruby-1.9.3-p194/bin/ruby /home/drderp/.rvm/gems/ruby-1.9.3-p194@global/bin/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets --trace
** Invoke assets:precompile:all (first_time)
** Execute assets:precompile:all
** Invoke assets:precompile:primary (first_time)
** Invoke assets:environment (first_time)
** Execute assets:environment
** Invoke environment (first_time)
** Execute environment
** Invoke tmp:cache:clear (first_time)
** Execute tmp:cache:clear
** Execute assets:precompile:primary
rake aborted!
Unexpected token punc, expected punc (line: 213, col: 13, pos: 5986)
Error
at new JS_Parse_Error (<eval>:1720:22)
at js_error (<eval>:1728:15)
at croak (<eval>:2189:17)
at token_error (<eval>:2196:17)
at expect_token (<eval>:2209:17)
at Object.expect (<eval>:2212:40)
at Object.1 (<eval>:2763:38)
at prog1 (<eval>:2770:28)
at <eval>:2560:51
at maybe_unary (<eval>:2665:27)
(in /home/drderp/projects/p/app/assets/javascripts/application.js)
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:34:in `rescue in block in eval'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:28:in `block in eval'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:80:in `block in lock'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/therubyracer-0.10.2/lib/v8/c/locker.rb:13:in `Locker'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:78:in `lock'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:27:in `eval'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:19:in `exec'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/uglifier-1.3.0/lib/uglifier.rb:100:in `compile'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/compressors.rb:74:in `compress'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/processing.rb:265:in `block in js_compressor='
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/processor.rb:29:in `call'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/processor.rb:29:in `evaluate'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/tilt-1.3.3/lib/tilt/template.rb:76:in `render'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/context.rb:177:in `block in evaluate'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/context.rb:174:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/context.rb:174:in `evaluate'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/bundled_asset.rb:26:in `initialize'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:244:in `new'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:244:in `build_asset'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/index.rb:89:in `block in build_asset'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/caching.rb:19:in `cache_asset'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/index.rb:88:in `build_asset'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:163:in `find_asset'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/index.rb:56:in `find_asset'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/static_compiler.rb:23:in `block in compile'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:212:in `block in each_logical_path'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:200:in `block (2 levels) in each_file'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:190:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:190:in `each_entry'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:198:in `block in each_file'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:197:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:197:in `each_file'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/sprockets-2.1.3/lib/sprockets/base.rb:210:in `each_logical_path'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/static_compiler.rb:18:in `compile'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/assets.rake:56:in `internal_precompile'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/assets.rake:70:in `block (3 levels) in <top (required)>'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/home/drderp/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/assets.rake:60:in `block (3 levels) in <top (required)>'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/home/drderp/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/bin/rake:19:in `load'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/bin/rake:19:in `<main>'
Tasks: TOP => assets:precompile:primary
rake aborted!
Command failed with status (1): [/home/drderp/.rvm/rubies/ruby-1.9.3-p194/b...]
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:53:in `block in create_shell_runner'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:45:in `call'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:45:in `sh'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:39:in `sh'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:80:in `ruby'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:39:in `ruby'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/assets.rake:12:in `ruby_rake_task'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/assets.rake:21:in `invoke_or_reboot_rake_task'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/sprockets/assets.rake:29:in `block (2 levels) in <top (required)>'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/home/drderp/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/bin/rake:19:in `load'
/home/drderp/.rvm/gems/ruby-1.9.3-p194@global/bin/rake:19:in `<main>'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval'
/home/drderp/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `<main>'
Tasks: TOP => assets:precompile
A more universal way to find the problem in js-assets:
Run rails console and:
JS_PATH = "app/assets/javascripts/**/*.js";
Dir[JS_PATH].each do |file_name|
puts "\n#{file_name}"
puts Uglifier.compile(File.read(file_name))
end
I had this same problem. Open your Javascript console in the browser and see where there is an error. I suspect (because it was the solution to my problem), that one of your JS files has an error and it is most likely whatever JS you wrote that used a ">" symbol.
Good luck error hunting.
In my case, I was using es6 syntax ()=>{...} in js file.
Replacing it with function(){...} fixed the problem.
This was horrible; no javascript error on my local computer means that there's an issue with asset compilation.
Here's how I solved it.
As suggested in the comments for a similar question ExecJS::ProgramError: Unexpected token punc «(», expected punc «:» when running rake assets:precompile on production , I removed uglifier (in production.rb, comment out the compressor line) and compression altogether. (I had tried with other compressors; yui did not give much information. closure seemed to give me a hint but didn't help much)
I then compressed the assets locally, then I pushed to production.
(To compress locally, use RAILS_ENV=production rake assets:precompile )
I ran on the server and this is when the javascript errors surfaced. It was basically erroneous merging of files (mainly due to something commented out). I got rid of those lines and pushed back to production. Everything succeeded.
I brought back uglifier, deleted the precompiled assets under public/assets/ and pushed back to production.
I hope this helps someone!
Just a heads up on this, I had same issue and what was happening, when precompiling assets in production environment (and pushing to Heroku) several of my JS files were being inserted with foreign characters, along the lines of...
<<<<<<<<HEAD
===========
>>>>>>(random alphanumeric key)
I just ran a global search in my site directory for "<<" and quickly found the affected files & deleted these terms - everything worked fine.