I seem to have run into an issue when running the latest upgrade where it fails due to this: PG::UniqueViolation: ERROR: duplicate key value violates unique constraint "index_users_on_username_lower" DETAIL: Key (username_lower)=(scottie) already exists. I tried to recover by attempting to delet…

You should look here - this seems to be the same issue: Help! Upgrade led to complete fail

I had what u think was a similar case yesterday (see Help! Upgrade led to complete fail - #8 by Judith ). In broad strokes, I think you need to do something like rename the postgres_data _old back to postgres_data restart he old container fix the corrupt index problem by renaming the duplicate user…

@pfaffman - just pinged you via your contact form :slight_smile:

I replied. If you didn’t get it then maybe you put the wrong address?

To close the loop on this, @pfaffman is a wizard. He solved the problem with the forum upgrade (and a host of related issues) very quickly :slight_smile:

I am having the same issue, but not going to pay $500 for a solution. I have SFTP access to the server, so would it not be possible to just open the database in a notepad and rename the conflicted username? Or if anyone can fix it for like $50, please contact me.

You can check out PG::UniqueViolation Problem during 3.1.0.beta4 upgrade - #3 by ahmedeldeep where someone described pretty well what they did. You’ll need an SSH client, not SFTP. If you’re using Digital Ocean you can use the console on their web site.

升级问题：由于重复键导致升级失败，快照恢复失败

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GreXXL (Gregor Hammerschmidt) 2021 年3 月 10 日 09:15 2

你应该看看这里——这似乎是同一个问题：Help! Upgrade led to complete fail

话题		回复	浏览量
Upgrade failed with "duplicate key value violates unique constraint" error Self-hosting	17	2576	2020 年2 月 29 日
2.7.0.beta2 upgrade failed with ERROR: duplicate key Self-hosting	24	2318	2021 年1 月 26 日
Urgent, upgraded build failed UniqueViolation Self-hosting	23	1700	2021 年1 月 21 日
Upgrade Failed from 2.7.0.beta1 to 2.7.0.beta3 Self-hosting	13	2055	2021 年2 月 15 日
Error during upgrading from Beta 3.1.x to latest Self-hosting	2	848	2023 年1 月 20 日

升级问题：由于重复键导致升级失败，快照恢复失败

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