I have a problem and I've deduced that the problem came from the plugin, but maybe I'm wrong. Some people have trouble joining my server. After a few seconds after logging in, they are disconnected with the message:"Internal Exception: java. io. IOException: An existing connection was forcibly closed by the remote host". The server is in 1.12.2 and the people are in 1.7.10 with Forge and all work with Travertine. I've activated the viaversion debug mode. Here are the logs:
latest.log

Could you try using the latest development version of ViaBackwards? https://ci.viaversion.com/view/ViaBackwards/job/ViaBackwards-DEV/58/

There is no change, the problem persists.

I specify the starting post, the people being just 1.7.0 without Forge, are disconnected BUT only a few players. Do you think this is due to server configuration and not ViaRewind?
This is a screen after being disconnected

The user seems to not have lost connection in the log.

Same issue over here

I have a very similar issue and I would like to know what to do: did any of you fix this as the author did not seem to follow up as this issue is open.

yeah, i have a 1.12.2 server and i crash almost every time i log in on 1.7.2 or 1.8, its fine on 1.9 and above, just 1.7 and 1.8 are broken

1. Try using the ViaBackwards build mentioned above.
2. Send me the disconnect message of the client and the server log (set debug=true in server.properties).
3. Test if this issue is caused by some other plugin.