[2026-05-11 02:05:14] Reconnecting to the database... [2026-05-11 02:05:14] Reloading site settings... [2026-05-11 02:05:14] Disabling outgoing emails for non-staff users... [2026-05-11 02:05:14] Running seed fu... [2026-05-11 02:05:31] Disabling readonly mode... [2026-05-11 02:05:31] Clearing categ…

Did you try to downgrade aws-sdk-s3: [תמונה] Can't rebuild due to AWS SDK gem bump and new AWS Data Integrity Protections Self-hosting But I did for a site that’s using Backblaze. I created a template I put in /root/aws-revert-template.yml with this: # This te…

[תמונה] iouvps: [2026-05-11 02:05:33] EXCEPTION: You can only specify one non-default checksum at a time. i think there may be a problem with the s3 compatibility? is the instance you are restoring to up-to-date with Discourse latest version? [תמונה] iouvps: /var/www/discourse/lib/file_…

@Lilly 由于服务器到期，需要迁移到新的服务器，我先备份了discourse数据把app.yml同步到新服务器，然后在新服务器 ./launcher rebuild app 然后把备份数据上传到新服务器的/var/discourse/shared/standalone/backups/default 使用命令 ./launcher enter app discourse enable_restore discourse restore xxxxxxxxxxxxxxxxxxxxx.tar.gz 恢复失败，我重建新的discourse后从后台进行恢复还是失败，附件是恢复日志 l…

Tell us about your environment, for example which object store are you using?

Ubuntu 24.04.4 LTS (x86_64) Cloudflare R2

@supermathie 使用Cloudflare R2是不是不兼容啊

Yes, there seems to be an incompatibility with R2. Untested, but you could try this: Environment variables are set in your container’s app.yml under the env block — the same place you already have things like DISCOURSE_S3_ACCESS_KEY_ID. Just add the two vars there: env: LANG: en_US.UTF-8 # ..…

@gerhard 我尝试这个方法还是不行现在的问题是我的就服务器已经停机了，我只有备份的数据和app.yml了

These values are noted in our guide . Can you post the redacted ENV block here so we can see if something else is wrong?

现在想办法把数据恢复了，但是rake uploads:migrate_to_s3一直错误

Failed to restore data after migrating Discourse

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xlg256 (Leo) 18 במאי,‏ 2026,‏ 2:00am 11

Did you try to downgrade aws-sdk-s3:

נושא		תגובות	צפיות
Restore failed at "EXCEPTION: x of y uploads are not migrated to S3. S3 migration failed for db 'default'." Self-hosting	4	1196	10 ביוני,‏ 2022
Restore fails due to s3 migration failure Support	2	135	12 באוגוסט,‏ 2026
Restore to New Host Support	13	764	15 בינואר,‏ 2026
Restore process cancelled at migrating uploads to S3 step Support	48	3644	24 בינואר,‏ 2026
Intended path to migrate S3 to local Self-hosting uploads , s3	5	953	13 במאי,‏ 2023

Failed to restore data after migrating Discourse

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