Second GET request sent after 1 minute

Hi All, I am new in rails, and I am stucked since several days on an issue and can’t find any information on web. I have an application which load data to database This can take a long time. Each time I launch the request with a button in my application, I have a second GET request launched just 1 minute after the first, and which run in parrallel to the first one, making double data in the database. I tried with a simple sleep function (instead of database loading) and the result is the same: a second get request is sent automatically. If I just refresh the browser or paste URL directly in the browser, the problem disapear… Can anyone help me ? Thanks a lot