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SystemStackError: stack level too deep, with Oga element.to_xml in Sidekiq perform_async
Created by: Junyulive
https://github.com/mperham/sidekiq/issues/3124
Ruby version: 2.3.1 Sidekiq / Pro / Enterprise version(s): Sidekiq 4.1.2/4.1.4 System: Mac OSX EI Capitan and Ubuntu 14.04
When a html contains a deep level (> 220) of tags, the Oga element.to_xml will raise stack level too deep error in async perform with sidekiq.
OgaSampleWorker.perform_async(250)
The sample worker code:
class OgaSampleWorker
include Sidekiq::Worker
def perform(times)
puts "[#{times}]"
a = Array.new(times).join('<b>')
o = Oga.parse_html(a)
puts o.to_xml
end
end
Here is the sample project: https://github.com/Junyulive/sidekiq-oga-sltd
If you run OgaSampleWorker.perform_async(200)
it works fine. or perform OgaSampleWorker.new.perform(1000)
synchronized in rails console, it works fine as well.
2016-09-03T07:25:16.400Z 58733 TID-ow09hwv14 OgaSampleWorker JID-7eebddbe364ceb96598f2f3a INFO: start
[500]
2016-09-03T07:25:16.410Z 58733 TID-ow09hwv14 OgaSampleWorker JID-7eebddbe364ceb96598f2f3a INFO: fail: 0.01 sec
2016-09-03T07:25:16.410Z 58733 TID-ow09hwv14 WARN: {"class":"OgaSampleWorker","args":[500],"retry":true,"queue":"default","jid":"7eebddbe364ceb96598f2f3a","created_at":1472887516.397825,"enqueued_at":1472887516.39789,"error_message":"stack level too deep","error_class":"SystemStackError","failed_at":1472887516.409954,"retry_count":0}
2016-09-03T07:25:16.410Z 58733 TID-ow09hwv14 WARN: SystemStackError: stack level too deep
2016-09-03T07:25:16.411Z 58733 TID-ow09hwv14 WARN: /Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
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/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
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/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `each'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `map'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
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/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/element.rb:224:in `to_xml'
/Users/jc/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/oga-2.3/lib/oga/xml/node_set.rb:56:in `block in each'
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^C2016-09-03T07:25:20.643Z 58733 TID-ow08pjuh0 INFO: Shutting down
2016-09-03T07:25:20.643Z 58733 TID-ow08pjuh0 INFO: Terminating quiet workers
2016-09-03T07:25:20.643Z 58733 TID-ow09hwvr8 INFO: Scheduler exiting...
2016-09-03T07:25:20.745Z 58733 TID-ow08pjuh0 INFO: Pausing to allow workers to finish...
2016-09-03T07:25:22.594Z 58733 TID-ow08pjuh0 INFO: Bye!