MultiMC version: 0.7.0-4257


Launched instance in offline mode

Minecraft folder is:
/home/dom/.local/share/multimc/instances/bta.updater.v3.0.mmc/.minecraft


Java path is:
/usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java


Checking Java version...
Java is version 1.8.0_482, using amd64 architecture, from Private Build.


Intel(R) Core(TM) i7-7600U CPU @ 2.80GHz
Intel Corporation HD Graphics 620 (rev 02)

DeviceName:  Onboard IGD

Subsystem: Dell HD Graphics 620

OpenGL version string: 4.6 (Compatibility Profile) Mesa 25.2.8-0ubuntu0.24.04.1

Main Class:
  

Native path:
  /home/dom/.local/share/multimc/instances/bta.updater.v3.0.mmc/natives

Traits:
traits legacyLaunch
traits texturepacks
traits noapplet

Libraries:
  /home/dom/.local/share/multimc/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar
  /home/dom/.local/share/multimc/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar
  /home/dom/.local/share/multimc/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209/lwjgl-2.9.4-nightly-20150209.jar
  /home/dom/.local/share/multimc/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.4-nightly-20150209/lwjgl_util-2.9.4-nightly-20150209.jar
  /home/dom/.local/share/multimc/instances/bta.updater.v3.0.mmc/.minecraft/bin/minecraft.jar

Native libraries:
  /home/dom/.local/share/multimc/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-linux.jar
  /home/dom/.local/share/multimc/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.4-nightly-20150209/lwjgl-platform-2.9.4-nightly-20150209-natives-linux.jar

Jar Mods:
  installer (76046775-c048-4d45-b543-fb7423225b6c.jar)

Params:
  --assetsDir /home/dom/.local/share/multimc/assets

Window size: 854 x 480

Java Arguments:
[-Dfml.ignoreInvalidMinecraftCertificates=true, -Dfml.ignorePatchDiscrepancies=true, -Xms512m, -Xmx1024m, -Duser.language=en]


Minecraft process ID: 57031


Using onesix launcher.

Could not find Minecraft path field.
Assets Directory in args: /home/dom/.local/share/multimc/assets
Run Directory: /home/dom/.local/share/multimc/instances/bta.updater.v3.0.mmc/.minecraft
Found instance in run directory: /home/dom/.local/share/multimc/instances/bta.updater.v3.0.mmc
No launcher directory provided, using directory above assets
Launcher Directory: /home/dom/.local/share/multimc
Check config file: /home/dom/.local/share/multimc/multimc.cfg
[OUT] Installer Version: 0.1
[OUT] Installer Directory: '/home/dom/.local/share/multimc/instances/bta.updater.v3.0.mmc/.bta-installer'
[OUT] Offline Mode: false
[OUT] Operating System: Linux
[OUT] Java Version: 1.8.0_482
[OUT] Downloading: https://downloads.betterthanadventure.net/bta-installer/versions.json
[OUT] !![Fatal]!Failed to invoke the Minecraft main class:
[ERR] java.lang.RuntimeException: Downloading 'https://downloads.betterthanadventure.net/bta-installer/versions.json'!
[ERR]     at b100.installer.Download.download(Download.java:143)
[ERR]     at b100.installer.Download.downloadAsString(Download.java:60)
[ERR]     at b100.installer.Download.downloadAsJson(Download.java:67)
[ERR]     at b100.installer.updater.Updater.searchAvailableUpdates(Updater.java:142)
[ERR]     at b100.installer.Main.main(Main.java:35)
[ERR]     at net.minecraft.client.Minecraft.main(Minecraft.java:8)
[ERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERR]     at java.lang.reflect.Method.invoke(Method.java:498)
[ERR]     at org.multimc.onesix.OneSixLauncher.legacyLaunch(OneSixLauncher.java:164)
[ERR]     at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:273)
[ERR]     at org.multimc.EntryPoint.listen(EntryPoint.java:143)
[ERR]     at org.multimc.EntryPoint.main(EntryPoint.java:34)
[ERR] Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: https://downloads.betterthanadventure.net/bta-installer/versions.json
[ERR]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[ERR]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
[ERR]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[ERR]     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1969)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1964)
[ERR]     at java.security.AccessController.doPrivileged(Native Method)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1963)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1533)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1517)
[ERR]     at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268)
[ERR]     at b100.installer.Download.download(Download.java:110)
[ERR]     ... 13 more
[ERR] Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: https://downloads.betterthanadventure.net/bta-installer/versions.json
[ERR]     at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1919)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1517)
[ERR]     at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:3084)
[ERR]     at java.net.URLConnection.getHeaderFieldLong(URLConnection.java:629)
[ERR]     at java.net.URLConnection.getContentLengthLong(URLConnection.java:501)
[ERR]     at sun.net.www.protocol.https.HttpsURLConnectionImpl.getContentLengthLong(HttpsURLConnectionImpl.java:416)
[ERR]     at b100.installer.Download.download(Download.java:106)
[ERR]     ... 13 more
[OUT] Exiting with -1
Process exited with exit code 255 (0xff).
Please note that usually neither the exit code, nor its description are enough to diagnose issues!
Always upload the entire log and not just the exit code.
MultiMC: Log upload triggered at: 05 Apr 2026 08:18:00 -0500