1.20.1 My forge executor just won't open

[DeriViolet]

When opening I am directed to a log called ´´forge-1.20.1-47.2.20-installer.jar.log´´ below the following error is written: JVM info: Oracle Corporation - 21.0.2 - 21.0.2+13- LTS-58
java.net.preferIPv4Stack=true
Current Time: 02/27/2024 16:58:33
Host: files.minecraftforge.net [51.79.83.165]
Host: maven.minecraftforge.net [51.79.83.165]
Host: libraries.minecraft.net [13.107.246.33, 13.107.213.33]
Host: launchermeta.mojang.com [13.107.246.33, 13.107.213.33]
Host: piston-meta.mojang.com [13.107.246.33, 13.107.213.33]
java.net.UnknownHostException: This host is not known (authserver.mojang.com)
at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:52)
at java.base/java.net.InetAddress$PlatformResolver.lookupByName(InetAddress.java:1211)
at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1828)
at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1139)
at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1818)
at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1688)
at net.minecraftforge.installer.DownloadUtils.getIps(DownloadUtils.java:290)
at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:120)
Exception in thread "main"
java.lang.NullPointerException: Cannot invoke "java.util.List.stream()" because the return value of "net.minecraftforge.installer.DownloadUtils.getIps(String)" is null
at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:120)

[Paint_Ninja]

This is a known issue caused by Mojang abruptly removing one of their domain names. Download a fresh copy of the installer and it should be fixed.

More details in the announcements channel of the new Forge Discord server:

https://discord.com/channels/1129059589325852724/1129077934330744882/1212091927038533662

https://discord.com/channels/1129059589325852724/1129077934330744882/1212138871907684382

Invite link: https://discord.minecraftforge.net