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No such middleware to insert after: Rack::Lock #9

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gnodiah opened this issue Mar 4, 2016 · 0 comments
Open

No such middleware to insert after: Rack::Lock #9

gnodiah opened this issue Mar 4, 2016 · 0 comments

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@gnodiah
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gnodiah commented Mar 4, 2016

In Rails 4 production mode, there is an error :

vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.5/lib/action_dispatch/middleware/stack.rb:125:in `assert_index': No such middleware to insert after: Rack::Lock (RuntimeError)

it seems that In Rails4, threading is enabled by default which removes Rack::Lock.

do u know how to fix it properly?
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