我重新构建了我的网站，然后打开浏览器出现了下面的信息： Oops The software powering this discussion forum encountered an unexpected problem. We apologize for the inconvenience. Detailed information about the error was logged, and an automatic notification generated. We'll take a look at it. No further action is necessary. However, if the error condition persists, you can provide additional detail, including steps to reproduce the error, by posting a discussion topic in the site's feedback category. 我记得出现这个问题之前，我点击了AI插件的配置页面。对于containers/app.yml文件，我只是在最后面配置了： params: version: esr 现在我尝试重新构建了很多次，每次刷新后都是这个错误提示。有人遇到过这个问题吗？ log/production.log日志内容：我在容器里面执行了 sv restart unicorn Shutting down Terminating quiet threads for default capsule Scheduler exiting... Pausing to allow jobs to finish... Bye! Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Booted Rails 8.0.4 application in production environment Running in ruby 3.4.7 (2025-10-08 revision 7a5688e2a2) +PRISM [x86_64-linux] See LICENSE and the LGPL-3.0 for licensing details. Upgrade to Sidekiq Pro for more features and support: https://sidekiq.org Sidekiq 7.3.9 connecting to Redis with options {size: 5, pool_name: "default", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Sidekiq 7.3.9 connecting to Redis with options {size: 10, pool_name: "internal", host: "localhost", port: 6379, db: 1, url: nil} Started GET "/" for 220.173.137.204 at 2026-03-31 08:28:24 +0000 Processing by ListController#latest as HTML Rendered layout layouts/application.html.erb (Duration: 11252.1ms | GC: 410.6ms) Completed 500 Internal Server Error in 14209ms (ActiveRecord: 0.0ms (0 queries, 0 cached) | GC: 560.5ms)

Yes, exactly. The database schema is changed regularly. So if your database schema has already been updated to latest, it will be incompatible with the older code on ESR.

supprime ta modification de ton fichier app.yml et fais un ./launcher rebuild app tu dois avoir une erreur de synthax dans ton fichier après je ne suis pas spécialiste, je ne sais pas ce que tu as fait dans ton fichier app.yml est bon mais déjà pour relancer ton forum au plus vite supprime ta modification et fais un rebuild

感谢你的回答，但是应该不是app.yml的问题。因为这个app.yml我已经成功构建很多次了。

当我运行下面的命令后，网站首页恢复了，但是当我点击登录之后，再次出现了Oops错误。 redis-cli flushall sv restart unicorn sv reload nginx

Did you downgrade your site from latest to esr? That would explain this kind of error.

也许是降级吧。我是几周前刚重新部署的这个服务器，然后我在测试部署指定版本的功能，现在我认为最佳实践是esr。然后，我就碰到了这个Oops。但是之前正常运行了好几周时间了，刚刚突然就报错了。如何解决这个问题呢？只能升级到latest吗？

Unfortunately downgrading is not supported. So yes, you’ll either need to restore an earlier backup from when you were running ESR, or you’ll need to run latest until the next ESR release (July)

你的意思是数据和代码冲突导致的问题？我只能回到跟我数据匹配的代码版本？

也就是说，如果我新安装了一台服务器，因为默认标准安装是latest，那么，这个时候如果我想再部署esr，那么就有可能出现这个问题。如果是旧的服务器，上面的版本是3.5.0之类的，我升级到esr，这样就没问题，是吧。

或者我把数据全部删除，然后再部署esr版本，应该也是可以的吧。这个场景适用于数据无所谓或者刚刚部署还没产生数据的新服务器，会丢失所有数据，请慎重！！！我补充一下具体的操作： # 删除挂载目录 rm -rf /var/discourse/shared/standalone # 摧毁旧容器（我不知道这个步骤是否必须） ./launcher destroy app # 修改 app.yml 后，再重建容器 ./launcher rebuild app

Oops 错误

Product Support

david (David Taylor) 2026 年3 月 31 日 08:37 5

您是否将站点从 latest 降级到了 esr？这可以解释此类错误。

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Oops 错误

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