# Preventing "Event loop shut down?"

**URL:** <https://forum.inductiveautomation.com/t/preventing-event-loop-shut-down/114013>\
**Category:** Ignition\
**Tags:** scripting\
**Created:** [February 17, 2026, 7:41pm UTC](https://forum.inductiveautomation.com/t/preventing-event-loop-shut-down/114013 "2026-02-17T19:41:28Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![bkarabinchak.psi](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bkarabinchak.psi/32/83567_2.png) [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Post date:** [February 18, 2026, 2:18pm UTC](https://forum.inductiveautomation.com/t/preventing-event-loop-shut-down/114013/16 "2026-02-18T14:18:23Z")

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> Because of the time it takes the file transfer portion of the script is executed using

Apparently a known issue that the jython ftplib is slow though still the right move to do it async.

> [@FTP Client Speed via Scripting](https://forum.inductiveautomation.com/t/ftp-client-speed-via-scripting/26620/8):
>
> Dang! We really should try and figure out why Jython's FTPLib is so miserably slow - but kudos for figuring it out, and posting it back here!

You may want to do it directly with the java libraries as the OP in this post tried. You can also download WinSCP and shell out to that instead.

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