Question Internal Exception: io.netty.handler.codec.DecoderException: Badly compressed packet

Flamango

New member
Jul 19, 2024
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I'm hosting a server through the FeatherMC client, everything was working well for a couple days then my friends started getting this error when joining. The only solution is to lower their render distance all the way, join, then raise it to 1 notch lower than what it was before or they get kicked again, then after like 30 minutes of playing they can raise it again. I kind of know why it's happening from other posts I think? but I wanna know if there's a good fix without making the server modded and adding a packet fixer, like is there a way to increase packet size WITHOUT a mod? The server is using these JVM arguments: "-Xms2048M -Xmx8192M -XX:+UseG1GC" Should I lower the RAM maybe? Eating too much? My system isn't throttling I have like 50 gigs of ram. I also attached screenshots of my plugins and datapacks.
 

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electronicboy

Administrator
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Dec 11, 2021
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This is not a packet size limit issue, this is a "you have something mangling packets" issue, generally going to be down to reproducing without plugins and maybe rebooting associated network equipment, i.e. some routers have been known to cause such issues here and there