Ruby: SQLite3::BusyException: database is locked:

Question

Ran into this error message whilst developing tonight: SQLite3::BusyException: database is locked:

I have two models:

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Answer 1

You may also have enabled threads when parallelizing your tests. Remember to disable the option in test/test_helper.rb :

parallelize(workers: :number_of_processors, with: :threads)

to

parallelize(workers: :number_of_processors)

https://edgeguides.rubyonrails.org/testing.html#parallel-testing-with-threads