重新rebuild 失败了~日志如下： discourse -c 'bundle exec rake db:migrate' rake aborted! StandardError: An error has occurred, this and all later migrations canceled: (StandardError) You must drop a column's default value before marking it as readonly I, [2026-01-08T16:18:49.016491 #1] INFO -- : Terminating…

Thanks for running those queries @Don - you’ve confirmed the root cause :raising_hands: Your results show exactly what we suspected You have a backup schema with a copy of user_options That table still has the old default (column_default = false) The backup row appeared before public in the query…

Honestly, I don’t know what the problem is with your Discourse installation. I just rebuilt my second forum through the server terminal and everything is fine again. Now I’m going to rebuild my third forum, hopefully it’s fine too. If you have made any changes to the Discourse files, I know that it…

谢谢您的回复。我没有进行过任何修改修改，也未安装任何额外插件。

I also don’t have any manually installed plugins on my third forum, but after the failed rebuild, and the redirect to my second forum… I also checked the configuration file (nano containers/app.yml) and everything is fine there… what’s going on? :smiley:

rebuild 成功 [企业微信截图_20260109153129]

Not for me :frowning: I have a server restore point luckily from 01-05-2026. For the second time I can neither update nor rebuild Discourse. Now I’m restoring it again, and one thing is clear: Backup all topics/articles in a text file. Hopefully this will be resolved either with a new installation…

I understand your frustrations and I apologize. I tested my “fixes” locally on both my local dev database, and then on a brand new database and they both worked just fine. Then I tested on a hosted instance that I run for a community I manage and it worked fine there as well. It also passed all our …

So…safe to try now or will it just make it worse? I have the same issue and haven’t attempted a rebuild yet after seeing this

我rebuild之后发现数据不是最新，然后又从管理后台用前天的备份进行了恢复操作。目前暂未发现任何问题。

Looks like it worked fine and it’s loading normally for anyone else wondering

@here for those who are having issues, I think @david and I may have found the root cause but it’s complicated to reproduce locally. Could any of you run the following SQL queries and report the results here? Query #1 SELECT table_schema, column_name, column_default FROM information_schema.column…

“rename_discourse_rewind_disabled_to_enabled”中的迁移错误

支持安装

Don 2026 年1 月 10 日 22:06 25

感谢修复！对我来说现在一切都完美运行了

话题		回复	浏览量
Rebuilding failed 'bundle exec rake db:migrate' failed with return #<Process::Status: pid 4979 exit 1> Self-hosting	8	2048	2021 年3 月 8 日
Database issues migrating form old version 20150822141540 Self-hosting	13	1090	2022 年9 月 22 日
Migration from discourse v2.8.13 (on Ubuntu 20.04.6 LTS) to latest Self-hosting	3	778	2023 年8 月 15 日
Error upgrading from 3.0.1 to 3.1.0 Self-hosting	14	804	2023 年3 月 28 日
Forum went down and rebuilding gives db:migrate error Self-hosting	5	1591	2021 年6 月 22 日

“rename_discourse_rewind_disabled_to_enabled”中的迁移错误

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