# Discourse Upgrade Failed 27 July 2025 - Due to Discourse Code Changes **URL:** \ **Category:** Discourse System Administration\ **Created:** [July 27, 2025, 1:33am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175 "2025-07-27T01:33:04Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [July 27, 2025, 1:33am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/1 "2025-07-27T01:33:04Z")
FYI.... Yesterday a routine Discourse upgrade appeared to work fine, but then later it stopped working and I had to revert to a prior version. ---
**Author:** ![vbe](https://community.unix.com/user_avatar/community.unix.com/vbe/32/266_2.png) [@vbe](https://community.unix.com/u/vbe)\ **Post date:** [July 27, 2025, 12:31pm UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/2 "2025-07-27T12:31:30Z")
I just looked and saw nothing in Discourse forum... ---
**Author:** ![vbe](https://community.unix.com/user_avatar/community.unix.com/vbe/32/266_2.png) [@vbe](https://community.unix.com/u/vbe)\ **Post date:** [July 28, 2025, 7:41am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/3 "2025-07-28T07:41:31Z")
At last: > **[最新版更新出错](https://meta.discourse.org/t/topic/376095)** > > 更新 Discourse 时出错。请检查下方日志。 开始更新 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* \*\*\* Please be patient, next steps might take a while \*\*\* \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* Cycling Unicorn, to free up memory... ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [July 28, 2025, 7:44am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/4 "2025-07-28T07:44:10Z")
I will try again now.... ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [July 28, 2025, 9:21am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/6 "2025-07-28T09:21:00Z")
It builds OK (like before) but it fails... ## Build OK ![Screenshot 2025-07-28 at 2.47.30 PM](https://community.unix.com/uploads/default/original/3X/f/a/fa66b48b02a8838f5cd9f9b91e5e939d2f777b96.jpeg) ## Nginx Fails ![Screenshot 2025-07-28 at 2.48.43 PM](https://community.unix.com/uploads/default/original/3X/9/a/9adaf1f7570178f38e273c8f6c644fdfbb555e64.png) ## Reverted So, I reverted back to the old "good" build running on `socket1` .... ## Next Steps _Will change the Discourse docker image (pulled when built) to an older version and try to rebuild with an older image._ ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [July 28, 2025, 11:20am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/7 "2025-07-28T11:20:56Z")
Trying this: ```plaintext #base_image: discourse/base:2.0.20250722-0020 base_image: discourse/base:2.0.20250715-0020 ``` Per this: > # DID NOT WORK - same nginx bad gateway error. ## Reverted back to working build with `socket2`... Thank goodness for this dual build setup! ### _I’m at a loss for words over this recurring pattern of breaking changes from what appear to be poorly tested Discourse commits._ ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [July 29, 2025, 1:53am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/8 "2025-07-29T01:53:32Z")
### Without prompting, even ChatGPT 4o has an opinion on Discourse: # ChatGPT 4o Says: 1. **Observe:** 2. **Orient:** 3. **Decide:** 4. **Act:** Want me to draft a **“Discourse upgrade playbook”** for you (staging, rollback, and version-lock strategy) that minimizes these breakages? ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [July 31, 2025, 6:48am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/9 "2025-07-31T06:48:27Z")
Same problem with latest Discourse build, with new base image: ![Screenshot 2025-07-31 at 1.47.28 PM](https://community.unix.com/uploads/default/original/3X/6/5/6502a53a6fa5a33b8c8f25187ccbff7dea5c7dfd.png) ☹ ## Reverted back again... ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [August 1, 2025, 9:25am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/10 "2025-08-01T09:25:55Z")
### **Resolved: Issue fixed with the help of ChatGPT 4.5.** ChatGPT 4o was useless for this — but 4.5 handled the step-by-step debugging much better. What broke was something that had worked fine for a long time: stripping out unused Chat code in the Docker build to reduce bloat. That now triggers a failure during boot, which silently prevents Unicorn from binding — cascading into an nginx 502 gateway error. I removed the strip-out step, rebuilt, and everything works again. We're now back on the latest Discourse version. According to the Discourse admin panel, there have been backend changes in how plugins are processed — likely what caused this to fail now when it didn’t before. ### See Also - The Root Cause of this Problem ![Screenshot 2025-08-01 at 4.28.59 PM](https://community.unix.com/uploads/default/original/3X/b/4/b48788f28a5f38bb3a99f24d1919bf7c7425e6b1.png) ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [August 1, 2025, 9:34am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/11 "2025-08-01T09:34:20Z")
Anyway…. it is fixed. These issues are always caused by changes to the Discourse code base which effects our site and it’s customizations and unique configurations. As they say above “if you are hosted by Discourse, no problem… but everyone else - that is a different story”. This is the same old, same ole we have seen from Discourse for years. Self-hosters like us are just “road kill” as far as Discourse goes! ---
**Author:** ![Neo](https://community.unix.com/user_avatar/community.unix.com/neo/32/22838_2.png) [@Neo](https://community.unix.com/u/Neo)\ **Post date:** [August 1, 2025, 9:45am UTC](https://community.unix.com/t/discourse-upgrade-failed-27-july-2025-due-to-discourse-code-changes/397175/12 "2025-08-01T09:45:43Z")
On a final note…. It is remarkable how much better ChatGPT 4.5 is with layered, complex, system admin debugging tasks compared to 4o. I just demonstrated — with hard evidence — that **GPT-4.5 (4-turbo)** is the superior tool for: - Multi-stage debugging - Stack trace triage - Docker + nginx + Unicorn + Discourse interplay - Root cause isolation across cascading failures Meanwhile, **GPT-4o** is faster, cheaper, and better at casual tasks — but it stumbles in high-context, high-precision sysadmin workflows like these kinds of complex system-level debugging tasks.