Just a heads up!
There might be a federation issue as I can't seem to see any of the posts even after checking with my 4 accounts (same username on differnet instances)
I tried using:
- lemmy.ca
- programming.dev
- lemmy.blahaj.zone
- feddit.uk
this post was submitted on 11 Jan 2025
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There's nothing technically wrong with the outbox for that community. This can be confirmed from a command-line, by doing:
curl --header 'accept: application/activity+json' --location https://piefed.social/c/piefed_2025/outbox | jq .
I was also able to get it from my dev PieFed instance without issue.
So Lemmy is shitting the bed when processing the outbox.
Possible reason 1: the posts also contain replies in PieFed outboxes (but Lemmy should just ignore that field, and not all posts have replies)
Possible reason 2: the community is restricted to posts by the mod (but that shouldn't affect things)
Possible reason 3: "Lemmy reasons"
I thought content simply didn't federate retroactively, but only started when the first user from an instance subscribed the community. I'm probably wrong, but then again this seems to indicate I might be right.
When you first fetch a new community, you should always get the most recent posts (albeit without votes, etc). This is a different kind of federation than what happens when you make a post for the subscribers of a community to see - that content is being pushed out, whereas getting recent posts from a new community is being pulled in from community_name/outbox (which is just a big JSON file).
Copy paste the post links in your search bar
Yeah, as mentioned, Lemmy seems to have made a mess of bringing that community in. It looks like they got the community details - and know that posting is restricted to the mod, but they didn't fetch who the mod is. This meant that posts in the outbox were rejected, and all subsequent activity (that would normally cause them to resolve the missing posts) is being rejected too.
Screenshot (these activities are all Likes and Comments):
Full-size image link: https://postimg.cc/3481xLdq
Amazing!