in lib/core/sync_job_runner.rb [251:264]
def check_job
raise ConnectorNotFoundError.new(@connector_id) unless reload_connector!
raise ConnectorJobNotFoundError.new(@job_id) unless reload_job!
raise ConnectorJobCanceledError.new(@job_id) if @job.canceling?
raise ConnectorJobNotRunningError.new(@job_id, @job.status) unless @job.in_progress?
end