im trying to run a modpack but i cant a install forge server:

JVM info: Oracle Corporation - 20.0.1 - 20.0.1+9-29
java.net.preferIPv4Stack=true
Found java version 20.0.1
Extracting main jar:
  Extracted successfully
Considering minecraft server jar
java.net.SocketTimeoutException: Connect timed out
    at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:539)
    at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:585)
    at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327)
    at java.base/java.net.Socket.connect(Socket.java:666)
    at java.base/sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:304)
    at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:178)
    at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:532)
    at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:637)
    at java.base/sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
    at java.base/sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:378)
    at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:193)
    at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1241)
    at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1127)
    at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:179)
    at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1657)
    at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1581)
    at java.base/java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:529)
    at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:308)
    at net.minecraftforge.installer.DownloadUtils.getConnection(DownloadUtils.java:243)
    at net.minecraftforge.installer.DownloadUtils.downloadManifest(DownloadUtils.java:307)
    at net.minecraftforge.installer.json.Util.getVanillaVersion(Util.java:73)
    at net.minecraftforge.installer.actions.ServerInstall.run(ServerInstall.java:86)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:423)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:175)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:147)
Failed to download version manifest, can not find server jar URL.
 

Edited May 16, 20232 yr by Humus124

First, your Java version is incorrect. It should be Java 17 for 1.18+, Java 16 for 1.17, and Java 8 for 1.12.2-1.16.5.

Second, in order to root out one of the more common issues, we'll need to see your hosts file. Here's the steps to getting this file.

1) Press the Win + R key on your keyboard.

2) Paste the following into the prompt that opens: 'notepad %windir%\system32\drivers\etc\hosts'

3) Use Ctrl+A to select everything in the file, then Ctrl+C into the textbox to post to this thread.

# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
#      102.54.94.97     rhino.acme.com          # source server
#       38.25.63.10     x.acme.com              # x client host
# localhost name resolution is handled within DNS itself.
#    127.0.0.1       localhost
#    ::1             localhost
109.94.209.70      fitgirlrepacks.co               # Fake FitGirl site
109.94.209.70      fitgirl-repacks.cc              # Fake FitGirl site
109.94.209.70      fitgirl-repack.com              # Fake FitGirl site
109.94.209.70      fitgirl-repacks.website         # Fake FitGirl site
109.94.209.70      www.fitgirlrepacks.co           # Fake FitGirl site
109.94.209.70      www.fitgirl-repacks.cc          # Fake FitGirl site
109.94.209.70      www.fitgirl-repack.com          # Fake FitGirl site
109.94.209.70      www.fitgirl-repacks.website     # Fake FitGirl site
109.94.209.70      ww9.fitgirl-repacks.xyz         # Fake FitGirl site
109.94.209.70      *.fitgirl-repacks.xyz           # Fake FitGirl site
109.94.209.70      fitgirl-repacks.xyz             # Fake FitGirl site
109.94.209.70      fitgirl-repack.net              # Fake FitGirl site
109.94.209.70      www.fitgirl-repack.net          # Fake FitGirl site
109.94.209.70      fitgirlpack.site                # Fake FitGirl site
109.94.209.70      www.fitgirlpack.site            # Fake FitGirl site
 
0.0.0.0 activation.easeus.com 
0.0.0.0 track.easeus.com 
0.0.0.0 easeus.com 
0.0.0.0 update.easeus.com 

134.209.132.125 authserver.mojang.com
134.209.132.125 sessionserver.mojang.com
134.209.132.125 launchermeta.mojang.com