1.13 update status thread

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bigpresh
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1.13 update status thread

Post by bigpresh » Sat Sep 08, 2018 8:23 pm

Hola,

This thread will be used for status updates on the update to 1.13, so feel free to subscribe to updates to it.

I had a quick look tonight with a view to testing out 1.13 on my test server, but SpigotMC.org recommends against upgrading to it for existing worlds, warning "There are still known issues in Vanilla which can cause item loss in chest blocks."

So, it sounds like it's not a good time to consider upgrading yet, and we should wait until things are likely to be smoother, rather than people losing items as part of the upgrade - I can't see that being popular :)

The item loss seems to be down to MC-134115: https://bugs.mojang.com/browse/MC-134115 - affecting double-chests which happen to sit across a chunk boundary, causing them to lose half their contents.

So, I'll watch for that to be fixed first before we do anything about upgrading I think - don't want anyone losing loads of items.

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Re: 1.13 update status thread

Post by bigpresh » Tue Sep 25, 2018 10:53 am

Still waiting for it to be safe to upgrade.

https://bugs.mojang.com/browse/MC-134205 is resolved as a duplicate.

https://bugs.mojang.com/browse/MC-134115 is reopened as still happening, but at least contains a fix 4 days ago done in Paper, and supplied to Dinnerbone & Grum, so hopefully will be fixed in MC itself soon?

The last post by SpigotMC.org still suggests it's unsafe to upgrade a pre-1.13 world to 1.13, so I shall hold off until either MC itself gets a fix, or Spigot implement the fix that Paper added, and then do some tests.

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Re: 1.13 update status thread

Post by bigpresh » Sun Oct 14, 2018 8:06 pm

1.13.1 is now seeming more stable, and Spigot no longer recommend strongly against using it with existing worlds.

I have a test server spun up alongside the live server, with a copy of our live world, to see how things go.

Blockers so far:

Logblock doesn't work under 1.13 -there's https://github.com/LogBlock/LogBlock/releases which I think is the same plugin and reports 1.13 support, will investigate

Dynmap - the version we used doesn't work, but v3.0-beta-1 should do

Once we're happy the plugins we rely on are working, we can do some more testing, and ensure that all is working as we'd expect it to be, that the world converted correctly, that nothing is missing/broken etc, then consider switching over.

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Re: 1.13 update status thread

Post by bigpresh » Mon Oct 15, 2018 10:09 am

I've got LogBlock and Dynmap working on it now, but it seems to be struggling with chunk generation or something. I teleported out to 70k, ~, 70k and now the test server wedges whenever I try to log in.

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Re: 1.13 update status thread

Post by bigpresh » Tue Oct 16, 2018 9:22 pm

So far, seem to have narrowed down the problems we're seeing to something to do with one of the plugins we run, and, seemingly, mostly/only happening when pre-1.13 chunks are being loaded & converted.

I've ruled out the most obvious plugins:
Dynmap
GriefPrevention
ProtocolLib

I've also tested with *all* plugins disabled, and all seemed well, so it seems to suggest that it's one of the several plugins we run which I haven't yet ruled out. (It's a somewhat slow and tedious process.)

I'll continue to test with one plugin at a time removed to see if I can narrow it down to a culprit without which the problem doesn't happen, but at the moment, things are nowhere near stable enough to consider upgrading.

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Re: 1.13 update status thread

Post by bigpresh » Tue Oct 23, 2018 9:48 pm

Getting mildly closer, with the release of 1.13.2 and some updated plugins, but still performance issues, NoCheatPlus triggering wrongly, rubberbanding etc, and crashes etc, so we'll still hold off a bit longer yet.

Thanks for those who hopped on to help test tonight!

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