404などのページをassets pipelineを使って作れるgakubuchi gemを使っています。
capistranoでデプロイする時、これのassets:precompileで落ちてデプロイできてないことがよくある。（落ちないこともある）
もう一度デプロイすると動くので騙し騙し使っている。デバッグしないとなあ・・・。
Tasks: TOP => deploy:assets:precompile
(See full trace by running task with --trace)
The deploy has failed with an error: Exception while executing as root@app1.kowabana.jp: rake exit status: 1
rake stdout: I, [2016-09-16T10:01:36.563918 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/blocks-25f0ada07701275b817165481ea227bf448e4b33b160e18e4e4e5ff988e4ec06.css
I, [2016-09-16T10:01:36.565468 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/blocks-25f0ada07701275b817165481ea227bf448e4b33b160e18e4e4e5ff988e4ec06.css.gz
I, [2016-09-16T10:01:48.018613 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/application-ed4db3deeeed188beda19cdd3571fffe28eac2adfd49a4c948d14dee05076639.js
I, [2016-09-16T10:01:48.019534 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/application-ed4db3deeeed188beda19cdd3571fffe28eac2adfd49a4c948d14dee05076639.js.gz
I, [2016-09-16T10:01:56.640992 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/application-36e5ebe3ef6a536d04cf635d1343bbfb50cd9c2de9b70bec0d72b0469565bf1c.css
I, [2016-09-16T10:01:56.641414 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/application-36e5ebe3ef6a536d04cf635d1343bbfb50cd9c2de9b70bec0d72b0469565bf1c.css.gz
I, [2016-09-16T10:01:56.804354 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/404-f5b8eac98ade00d0f719281af5b7b9103e7403700bda2ea175fefb8fff1ccfc5.html
I, [2016-09-16T10:01:56.805071 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/404-f5b8eac98ade00d0f719281af5b7b9103e7403700bda2ea175fefb8fff1ccfc5.html.gz
I, [2016-09-16T10:01:56.848952 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/406-67bca5a0e35c21ad811db2b88cca0ea5537cf59d85269977c274cb94dee913aa.html
I, [2016-09-16T10:01:56.849368 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/406-67bca5a0e35c21ad811db2b88cca0ea5537cf59d85269977c274cb94dee913aa.html.gz
I, [2016-09-16T10:01:56.905607 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/422-ef00dd8611c3e3d04be35eb07806ac98bad01d2e91f1777e01f7bbc340849e49.html
I, [2016-09-16T10:01:56.906426 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/422-ef00dd8611c3e3d04be35eb07806ac98bad01d2e91f1777e01f7bbc340849e49.html.gz
I, [2016-09-16T10:01:56.962076 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/500-cf3665c336cdd9870de6ce60459b74d0d4280ac369f48ef590922fbac639673e.html
I, [2016-09-16T10:01:56.962528 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/500-cf3665c336cdd9870de6ce60459b74d0d4280ac369f48ef590922fbac639673e.html.gz
rake aborted!
Errno::ENOENT: No such file or directory @ rb_sysopen - /srv/kowabana.jp/releases/20160916010102/public/assets/406-1a8f57ba17cdbf23ab495f461eea0f1e844b30e0789aab4c933385017f437c27.html
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/fileutils.rb:8:in `copy_p'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/task.rb:15:in `block in execute!'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/task.rb:10:in `each'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/task.rb:10:in `execute!'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/tasks/after_precompile.rake:3:in `block in <top (required)>'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/rake-11.2.2/exe/rake:27:in `<top (required)>'
/usr/local/rbenv/versions/2.3.1/bin/bundle:23:in `load'
/usr/local/rbenv/versions/2.3.1/bin/bundle:23:in `<main>'
Tasks: TOP => assets:precompile
(See full trace by running task with --trace)
rake stderr: Nothing written
** DEPLOY FAILED
** Refer to log/capistrano.log for details. Here are the last 20 lines:
DEBUG [3390349e] I, [2016-09-16T10:01:56.905607 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/422-ef00dd8611c3e3d04be35eb07806ac98bad01d2e91f1777e01f7bbc340849e49.html
DEBUG [3390349e]
DEBUG [3390349e] I, [2016-09-16T10:01:56.906426 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/422-ef00dd8611c3e3d04be35eb07806ac98bad01d2e91f1777e01f7bbc340849e49.html.gz
DEBUG [3390349e]
DEBUG [3390349e] I, [2016-09-16T10:01:56.962076 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/500-cf3665c336cdd9870de6ce60459b74d0d4280ac369f48ef590922fbac639673e.html
DEBUG [3390349e]
DEBUG [3390349e] I, [2016-09-16T10:01:56.962528 #30643] INFO -- : Writing /srv/kowabana.jp/releases/20160916010102/public/assets/500-cf3665c336cdd9870de6ce60459b74d0d4280ac369f48ef590922fbac639673e.html.gz
DEBUG [3390349e]
DEBUG [3390349e] rake aborted!
Errno::ENOENT: No such file or directory @ rb_sysopen - /srv/kowabana.jp/releases/20160916010102/public/assets/406-1a8f57ba17cdbf23ab495f461eea0f1e844b30e0789aab4c933385017f437c27.html
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/fileutils.rb:8:in `copy_p'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/task.rb:15:in `block in execute!'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/task.rb:10:in `each'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/gakubuchi/task.rb:10:in `execute!'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/gakubuchi-1.2.2/lib/tasks/after_precompile.rake:3:in `block in <top (required)>'
/srv/kowabana.jp/shared/bundle/ruby/2.3.0/gems/rake-11.2.2/exe/rake:27:in `<top (required)>'
/usr/local/rbenv/versions/2.3.1/bin/bundle:23:in `load'
/usr/local/rbenv/versions/2.3.1/bin/bundle:23:in `<main>'
Tasks: TOP => assets:precompile
(See full trace by running task with --trace)