Bootstrap is failing with this error: PG::UndefinedTable: ERROR: relation "ai_agent_mcp_servers" does not exist more stuff: in /etc/nginx/conf.d/discourse.conf I, [2026-03-30T15:32:25.835970 #1] INFO -- : > cd /var/www/discourse && su discourse -c 'LOAD_PLUGINS=0 bundle exec rake plugin:pull_co…

[图片] pfaffman: it looks like Claude (that’s what I used) doesn’t get a timestamp (NOT COOL, Claude), but just a date stamp and then adds a counter :facepalm: We do have this instruction in AI-AGENTS.md: AI-AGENTS.md 61da54b54 - Use `bin/rails generate mi…

So, here comes a bug report that ask.discourse.com wrote, but first, I want to share this bit that it offered: I decided to let it be itself, and not “blunt and short”. :rofl: (I didn’t roll on the floor, but I did, truly, laugh out loud. This seems like a credible report and likely better than …

I had to know what I would sound like. . . . Sure — here’s a more pfaffman-style version: This looks like a `discourse-ai` migration bug. Bootstrap dies in: ```text /plugins/discourse-ai/db/migrate/20260319070000_add_selected_tool_names_to_ai_agent_mcp_servers.rb with: PG::UndefinedTable: ERRO…

[图片] pfaffman: This looks like a migration ordering issue in discourse-ai, or a missing earlier migration that should create ai_agent_mcp_servers. plugins/discourse-ai/db/migrate/20260319000001_create_ai_agent_mcp_servers.rb 61da54b54 create_table :ai_age…

Aha. Here’s what happened. It seems to be because we both used AI and it’s stupid and lazy. An alternative explanation is that it’s bad luck, but it looks like Claude (that’s what I used) doesn’t get a timestamp (NOT COOL, Claude), but just a date stamp and then adds a counter, so we both were worki…

And I ran this from in your repo to take advantage of your superior knowledge of the AI. And I’m now vindicated in knowing that a team of experts can’t do any better than I am! So, yeah, Claude, WHY NOT USE GENERATE MIGRATION!?!?!? I changed the migration version in the database like this: UPDATE…

Yeah this instruction is ignored quite often. I keep having to correct it. I can try adding a “how to do migrations” skill, but maybe the atomic fix here is a lint. Not sure.

[图片] sam: maybe the atomic fix here is a lint Yeah, that might work. Since lint isn’t AI, it always listens. If it’s going to ignore the request to get rails to write the migration, maybe a rule that explicitly states what the migration id/filename should be would work. I’ll be on the looko…

Just had to re-do a migration that was failing into this issue. My buddy wasn’t happy about it tho [image] :rofl:

My buddy does not have that much personality. I’m not sure whether I’m relieved or jealous! :rofl:

Bootstrap 错误：关系 "ai_agent_mcp_servers" 不存在

支持安装

Falco (Falco) 2026 年4 月 2 日 14:30 10

刚才不得不重新执行一次因该问题而失败的迁移。

我朋友对此可不太高兴。

话题		回复	浏览量
Dev migration error: Discourse AI Development ai	8	158	2025 年7 月 31 日
Upgrade failed: ERROR: relation "idx_regular_post_search_data" already exists Self-hosting	3	667	2020 年9 月 20 日
Relation "scheduler_stats" does not exist Support	3	1400	2016 年8 月 7 日
Update failed for some reason? Self-hosting	1	689	2022 年3 月 30 日
Rake db:migrate error Support	5	614	2022 年9 月 16 日

Bootstrap 错误：关系 "ai_agent_mcp_servers" 不存在

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