class RooOnRails::Rack::SafeTimeouts
Cleans up Rails database connections on timeouts, before they're returned to the pool.
In particular, this clears the prepared statement cache, which can become corrupted as ActiveRecord isn't interrupt-safe.
Public Class Methods
new(app)
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# File lib/roo_on_rails/rack/safe_timeouts.rb, line 15 def initialize(app) @app = app end
Public Instance Methods
call(env)
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# File lib/roo_on_rails/rack/safe_timeouts.rb, line 19 def call(env) @app.call(env) rescue ::Rack::Timeout::Error, ::Rack::Timeout::RequestTimeoutException Rails.logger.warn('Clearing ActiveRecord connection cache due to timeout') ActiveRecord::Base.connection.clear_cache! raise end