I want to upgrade my discourse from a very old version to the latest version A backup package from the original discourse contains a meta.json file： {"source":"discourse","version":20160405172827} When I restore the backup in the latest discourse,the following error was encountered: [2019-12-10 …

There are experts here who surely will have better replies than mine, but still: Maybe you can try to install an older version of Discourse (corresponding to your backup’s one), then restore your backup, and then update Discourse via the command line.

Congratulations! You are the first person to report this bug that I know of. :slight_smile: I fixed it two weeks ago and thought to myself: “Wow, nobody has reported that yet, even though it has been broken for a very long time.” Anyway, that fix isn’t available yet, since it is part of a big over…

Just to know, would my suggestion work in this case?

As long as you find an old version where restoring still works, yes. But you might also need to find a version of discourse_docker that is compatible with an old, unsupported version of Discourse. That complicates things a bit. :wink:

[이미지] gerhard: discourse-2019-12-10-010038-v20160405172827.tar.gz Thank you very much for your reply. Your suggestion worked. I have avoided that problem, but now I have another problem. :joy: [2019-12-10 13:06:51] '18401535466' has started the restore! [2019-12-10 13:06:51] Marking restore…

Thanks for your reply. On the bus home, I have been thinking about where to find such an old image. :rofl: :rofl: :rofl:

Ah, yeah, I think there was another bug. Make sure that the dump.sql is gzipped before you add it to the tar file. The backup must contain a dump.sql.gz.

in my case, there is a dump.sql but not dump.sql.gz. I am trying again.

After I compressed dump.sql and re-uploaded the backup file, I encountered this error. Can you help me？ :smiley: [2019-12-11 00:58:37] '18401535466' has started the restore! [2019-12-11 00:58:37] Marking restore as running... [2019-12-11 00:58:37] Making sure /var/www/discourse/tmp/restores/default…

[이미지] dazuimao1990: EXCEPTION: undefined method `’ for nil:NilClass https://meta.discourse.org/t/restore-failed-at-validating-metadata/31318/2 I thought I could solve my problem with this post, but I couldn’t find it or it was private when I visited this page.

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dazuimao1990 (Guox) 12월 16, 2019, 10:19오전 17

This article finally solved my problem,Now I’m happily using discourse.

글		댓글	조회수
Error when restore DB backup Self-hosting	25	2016	8월 23, 2018
Can't restore saved backup Self-hosting	3	1299	3월 7, 2017
Trouble restoring from backup Support	10	1387	1월 31, 2018
Unable to restore backup - No migration with version number Support	6	2525	5월 5, 2016
Exception during restore: EXCEPTION: undefined method `[]' for nil:NilClass Support	5	1955	10월 2, 2015

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