dependabotのオートマージで夜中にデプロイ失敗したよってメッセージが来てた 😵
NoMethodError: undefined method `+' for nil:NilClass
from sprockets/asset.rb:138:in `etag'
from sprockets/asset.rb:67:in `block in digest_path'
from sprockets/asset.rb:67:in `sub'
from sprockets/asset.rb:67:in `digest_path'
from sprockets/manifest.rb:175:in `block in compile'
from sprockets/manifest.rb:173:in `each'
from sprockets/manifest.rb:173:in `compile'
from sprockets/rails/task.rb:68:in `block (3 levels) in define'
from rake/sprocketstask.rb:148:in `with_logger'
from sprockets/rails/task.rb:67:in `block (2 levels) in define'
from rake/task.rb:281:in `block in execute'
from rake/task.rb:281:in `each'
from rake/task.rb:281:in `execute'
from rake/task.rb:219:in `block in invoke_with_call_chain'
from monitor.rb:230:in `mon_synchronize'
from rake/task.rb:199:in `invoke_with_call_chain'
from rake/task.rb:188:in `invoke'
from rake/application.rb:160:in `invoke_task'
from rake/application.rb:116:in `block (2 levels) in top_level'
from rake/application.rb:116:in `each'
from rake/application.rb:116:in `block in top_level'
from rake/application.rb:125:in `run_with_threads'
from rake/application.rb:110:in `top_level'
from rake/application.rb:83:in `block in run'
from rake/application.rb:186:in `standard_exception_handling'
from rake/application.rb:80:in `run'
from bundle/ruby/2.6.0/gems/rake-13.0.1/exe/rake:27:in `<top (required)>'
from ./vendor/bundle/bin/rake:29:in `load'
from ./vendor/bundle/bin/rake:29:in `<main>'
以下で解決できた。
1-Rails.application.config.assets.version = '1.0' 2+Rails.application.config.assets.version = 'v1.0'