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Rack middleware for Mongo::OperationTimeout

View config\application.rb
1 2 3
.....
config.middleware.insert_after 'Rack::Cache', 'ReconnectMongo'
....
View config\application.rb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
class ReconnectMongo
def initialize(app)
@app = app
end
 
def call(env)
begin
User.first
rescue Mongo::OperationTimeout
Mongoid.reconnect!
now = Time.now
$last_timeout ||= now
Rails.logger.warn "Mongo::OperationTimeout - reconnecting... Time since last timeout " + (now - $last_timeout).inspect
$last_timeout = now
end
@app.call(env)
end
end
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