Is your staging app setup with a staging env?  ie. RAILS_ENV and RACK_ENV are 
both staging?  

If not, you're going to be seeing some odd things with asset_sync. 

Neil


On Wednesday, 21 March 2012 at 17:33, Karl wrote:

> On Wednesday, March 21, 2012 9:18:26 AM UTC-7, Neil Middleton wrote:
> > I wonder if you have an exception that's being swallowed somewhere along 
> > the line.
> > 
> > - Have you tried running the assets:precompile with a --trace?
> 
> Yes. Both locally and on heroku.
> 
> Locally, all assets compile without error.
> 
> On heroku, no errors reported, nothing in logs, but as I have stated in 
> previous message, the manifest.yml is just an empty erray.
> 
> FYI, the manifest.yml after asset:precompile on heroku:
> 
> > --- {}
> 
> In the repo, it has all the correct assets.
> 
> 
> > - Have you tried the same code on a new Heroku app / S3 bucket to rule out 
> > anything there?
> 
> No. I'll give it a try.
> 
> Oddly enough, only the staging version of this app is giving me trouble. The 
> production version works as expected. So, in a way, I have tried it on a 
> different heroku account. Probably a good idea to try again.
> 
> 
> > 
> > 
> > On Wednesday, 21 March 2012 at 16:08, Karl wrote:
> > 
> > > 
> > > On Wednesday, March 21, 2012 6:38:20 AM UTC-7, Chap wrote:
> > > > What do you mean by "the files are sync'd to S3"? 
> > > 
> > >  
> > > > Are you using a library to put them on S3? By default they should just 
> > > > remain in your slug and be served from there. 
> > > > 
> > > 
> > > I have been using the asset_sync gem. I have tried allowing heroku to 
> > > compile the assets and sync on deploy. And I have compiled locally, 
> > > including the manifest.yml in the repo. Neither works.
> > >  
> > > > If so I might try removing that library and see if you still have the 
> > > > problem. 
> > > 
> > > Already tried that. Removing asset_sync gem doesn't make a difference. 
> > > When asset_sync is removed, it attempts to compile the assets, but 
> > > doesn't complete, give no error messages (console or logs), overwrites 
> > > manifest.yml with an empty array.
> > > 
> > > Honestly, this shouldn't matter, because the builder should detect the 
> > > existing public/assets/mainfiest.yml files and not even attempt to 
> > > compile assets.
> > > 
> > > I looked over the builder, and I don't see anything that stands out.
> > > 
> > > BTW, I have several other heroku projects that I compile the assets 
> > > locally using asset_sync to sync with S3, include mainfest.yml in the 
> > > repo, and it works without fail.
> > >  
> > > > 
> > > > On Mar 20, 1:16 pm, Karl wrote: 
> > > > > On Tuesday, March 20, 2012 8:51:24 AM UTC-7, richard schneeman wrote: 
> > > > > 
> > > > > > So if you bash into your application, are your files also missing 
> > > > > > from 
> > > > > > the dyno or can you see your the files? I'm curious if the files 
> > > > > > are 
> > > > > > not being generated correctly, or just not being synced correctly. 
> > > > > 
> > > > > > $ heroku run bash 
> > > > > > Running bash attached to terminal... up, run.1 
> > > > > > ~ $ ls public/assets 
> > > > > > application-95bd4fe1de99c1cd91ec8e6f348a44bd.css 
> > > > > > application.css           manifest.yml 
> > > > > > application-95bd4fe1de99c1cd91ec8e6f348a44bd.css.gz 
> > > > > > application.css.gz        
> > > > > > rails-782b548cc1ba7f898cdad2d9eb8420d2.png 
> > > > > > application-95fca227f3857c8ac9e7ba4ffed80386.js 
> > > > > > application.js            rails.png 
> > > > > > application-95fca227f3857c8ac9e7ba4ffed80386.js.gz 
> > > > > > application.js.gz 
> > > > > 
> > > > > > What about your manifest.yml? 
> > > > > 
> > > > > Yup, already tried that... manifest.yml is there. But... 
> > > > > 
> > > > > 
> > > > > 
> > > > > > ~ $ cat public/assets/manifest.yml 
> > > > > > rails.png: rails-782b548cc1ba7f898cdad2d9eb8420d2.png 
> > > > > > application.js: application-95fca227f3857c8ac9e7ba4ffed80386.js 
> > > > > > application.css: application-95bd4fe1de99c1cd91ec8e6f348a44bd.css 
> > > > > 
> > > > > The manifest.yml is there, but the yaml is an empty array. What is 
> > > > > happening is heroku still *attempts* to compile assets, but borks, 
> > > > > overwrites my manifest.yml with a manifest.yml that is essentially an 
> > > > > empty 
> > > > > array (not an empty file, though). 
> > > > > 
> > > > > Have you opened ahttps://support.heroku.comticket for this issue? 
> > > > > 
> > > > > Yes. Been a week, the issue was escalated, but still no response. 
> > > > > Frustration ensues. 
> > > > > 
> > > > > The only workaround I have it to turn assets.compile = true, and it 
> > > > > directs 
> > > > > the user to the assets on S3, but they are not 
> > > > > compiled/combined/gzip'd. 
> > > > > 
> > > > > Do you have any other ideas?
> > > 
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