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Paperclip version 4.2.1 giving "Too many open files" error #1980

schumacker opened this issue Aug 31, 2015 · 1 comment


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@schumacker schumacker commented Aug 31, 2015


Sorry for opening this question again. I saw that this was solved in past versions, but I'm still getting this error: Rack app error:

Errno::EMFILE: Too many open files - /tmp/RackMultipart20150825-11316-1d06w7p.

Could you guys confirm to me if the error was already solved? In stackoverflow they said that the limit for multipart concurrent files is now 128 on Rails 4.2 ( However, my system is using version 4.1.8. Can someone help me?



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@tute tute commented Sep 9, 2015

This is a duplicate of: #1326. A workaround is to raise ulimit (see #1759 (comment)). Thanks!

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