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Forg 1.20.1 Not installing and giving just a .log file


KiraKama

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Installed Forge 1.20.1, Ran the installer.jar but it just closes and creates a .log file.

 

JVM info: Oracle Corporation - 20.0.2 - 20.0.2+9-78
java.net.preferIPv4Stack=true
Current Time: 11/08/2023 16:29:01
Host: files.minecraftforge.net [51.79.83.165]
Host: maven.minecraftforge.net [51.79.83.165]
java.net.UnknownHostException: No such host is known (libraries.minecraft.net)
    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$PlatformResolver.lookupByName(InetAddress.java:1061)
    at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1683)
    at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1004)
    at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1673)
    at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1533)
    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)
 

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  • 6 months later...

Same for me, 1.12.2 works fine but 1.20.1s forges just don't open and i wanted to play with my friend so i would need to install a server. If anybody has a server instalation pls send it to me. Btw a simple fix for this if you don't care for server hosting is installing it through curse forges launcher then forge works just fine but i need this server install

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