Client wont authenticate

[Alpha-404]

Describe the bug Client wont authenticate

Steps to reproduce

1. Use linux
2. Im guessing its multimc so use multimc
3. use minecraft 1.19.1 (vanilla)
4. maybe also login from microsoft
5. launch world-downloader.jar
6. connect to local world using default port
7. gui says authenticating with mojang servers or something like that
8. get kicked with message "Disconnected" or "Failed to login: null"

Log output

java -jar world-downloader.jar -s 51.195.189.16 --port 25594
Aug 14, 2022 8:14:49 PM com.sun.javafx.application.PlatformImpl startup
WARNING: Unsupported JavaFX configuration: classes were loaded from 'unnamed module @6009e3f5'
Starting proxy for 51.195.189.16:25594. Make sure to connect to localhost:25565 instead of the regular server address.
java.lang.RuntimeException: Client not authenticated! 403: Forbidden
	at proxy.auth.ClientAuthenticator.makeRequest(ClientAuthenticator.java:64)
	at proxy.EncryptionManager.lambda$sendReplacementEncryptionConfirmation$11(EncryptionManager.java:304)
	at proxy.EncryptionManager.disconnectOnError(EncryptionManager.java:120)
	at proxy.EncryptionManager.sendReplacementEncryptionConfirmation(EncryptionManager.java:304)
	at proxy.EncryptionManager.lambda$setClientEncryptionConfirmation$5(EncryptionManager.java:220)
	at proxy.EncryptionManager.attempt(EncryptionManager.java:107)
	at proxy.EncryptionManager.setClientEncryptionConfirmation(EncryptionManager.java:209)
	at packets.handler.ServerBoundLoginPacketHandler.lambda$new$1(ServerBoundLoginPacketHandler.java:50)
	at packets.handler.PacketHandler.handle(PacketHandler.java:57)
	at packets.DataReader.readPackets(DataReader.java:163)
	at packets.DataReader.pushData(DataReader.java:118)
	at proxy.ProxyServer.lambda$run$4(ProxyServer.java:86)
	at util.ExceptionHandling.attempt(ExceptionHandling.java:12)
	at proxy.ProxyServer.lambda$run$6(ProxyServer.java:83)
	at java.base/java.lang.Thread.run(Thread.java:833)
Client probably disconnected. Waiting for new connection...
Server probably disconnected. Waiting for new connection...         
...

Screenshots

Version

• Game: Minecraft 1.19.1
• Downloader: latest
• Launcher (if login issues): multimc 0.6.16-3430 on lin64