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Asked: 2026-05-26T03:19:36+00:00

I use an after_commit filter in several places in my code. In order to

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I use an after_commit filter in several places in my code. In order to get my cucumber tests working, I had to use a patch – http://outofti.me/post/4777884779/test-after-commit-hooks-with-transactional-fixtures

It works fine locally both when run standalone or under Autotest. I also try to run the tests under Jenkins but almost all the tests fail with the following error message.

can't dump File (TypeError)
  /var/lib/jenkins/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/monitor.rb:242:in `synchronize'
  ./features/support/after_commit_monkey_patch.rb:20:in `transaction'
  ./features/support/after_commit_monkey_patch.rb:18:in `transaction'

Can anyone help me figure out what’s going on? I’m confused why the same code works in one situation but not another. The environments are as identical as possible using RVM etc.

Thanks,
Graeme

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1 Answer

  1. Editorial Team

    After a bit of searching (and thanks to Andy for the clue) it didn’t have anything to do with the monkey-patch – it was just reporting the problem.

    I had the cache for testing set to …

    config.cache_store = nil

    I changed it to …

    config.cache_store = :dalli_store, { :namespace => "TEST" }

    … instead and it works without fault now. It still doesn’t explain why my tests work locally but didn’t under Jenkins with a nil cache.

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