# Launcher rebuild fails if s3 settings aren't correct

**URL:** <https://meta.discourse.org/t/launcher-rebuild-fails-if-s3-settings-arent-correct/63490>\
**Category:** Bug\
**Created:** [2017年五月28日 04:51 UTC](https://meta.discourse.org/t/launcher-rebuild-fails-if-s3-settings-arent-correct/63490 "2017-05-28T04:51:38Z")\
**Posts on this page:** 1\
**Showing post:** 19

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**Author:** ![watchmanmonitor](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/watchmanmonitor/32/430970_2.png) [@watchmanmonitor](https://meta.discourse.org/u/watchmanmonitor)\
**Post date:** [2017年六月4日 20:02 UTC](https://meta.discourse.org/t/launcher-rebuild-fails-if-s3-settings-arent-correct/63490/19 "2017-06-04T20:02:06Z")

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It’ll be rarer still once discourse warns of [s3 failures](https://meta.discourse.org/t/notify-if-s3-backups-are-failing/63884).

The problem is that once failed, I was left without a way to get the system up & running again.. I had to roll back to a system level snapshot from a few days ago, so I could get around the inability to rebuild.

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_[View the full topic](https://meta.discourse.org/t/launcher-rebuild-fails-if-s3-settings-arent-correct/63490)._