Bug Closed · Resolved

Periodic (Infinite loop?) Crash

#4528 opened by Unknown 2 years ago

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Unknownreported this bug

https://pastebin.com/raw/J1PJGhSq

https://pastebin.com/raw/33pMNiE5

On latest MEG (4.0.3) and paper 1.20.1

Tried to isolate something that would reproduce it, but couldn't find anything. Crash seems descriptive enough. Every few hours it seems as something triggers it and the server crashes. Only started occurring after a recent update from 3->4. The server has viaversion and allows only 1.20.1 and 1.20.2 clients, unsure if that could be a factor.

Unknowncommented

I can't prove it, but I'm not so sure this relates to the linked crashes... the crash I'm seeing seems to be a CPU spike and the server just terminates before memory usage even goes up. From the 2nd pastebin link:

Virtual memory max (MB): 20013.96 Virtual memory used (MB): 32042.09 Swap memory total (MB): 4096.00 Swap memory used (MB): 1918.63

Though I don't know how its reporting that it starts with a NoSuchMethodError :sweat_smile:

Unknowncommented

For the NoSuchMethodError, update paper. The crash on the other hand is being investigated.

Unknowncommented

After investigating the report further, it seems the crash is only due to an outdated paper version missing a method used by MEG. I did look for clues on what could be causing CPU spike, but there is barely any mention of MEG in the report so I don't think it is at all related to MEG?

Unknowncommented

It didn't appear to be unrelated, but instead causing some infinite loop due to the noMethod. Regardless once that's resolved, it shouldn't happen! When you say update paper, will latest 1.20.1 suffice or will I have to jump to 1.20.2?

Unknowncommented

Latest 1.20.1

Unknowncommented

Alright been running it for a few days and no crash (down for 5 or 6) so I'd say my issue is resolved. Thanks!

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