Topic category: Troubleshooting, bugs, and solutions
Executing Gradle synchronization tasks
Build info: MCreator 2025.3.45720, neoforge-1.21.8, 64-bit, 16289 MB, Windows 10, JVM 21.0.8, JAVA_HOME: C:\Users\user\Desktop\MCreator20253\jdk, started on: 2025-12-19-11:29:00
> Task :createMinecraftArtifacts
> Task :createMinecraftArtifacts FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':createMinecraftArtifacts'.
> Error while evaluating property 'artifactManifestEntries' of task ':createMinecraftArtifacts'.
> Could not resolve all artifacts for configuration ':neoFormRuntimeDependenciesNeoForgeClasses'.
> Could not download neoforge-21.8.31-userdev.jar (net.neoforged:neoforge:21.8.31)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/neoforge/21.8.31/neo…'.
> Read timed out
> Could not download neoform-1.21.8-20250717.133445.zip (net.neoforged:neoform:1.21.8-20250717.133445)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/neoform/1.21.8-20250…'.
> Read timed out
> Could not download vineflower-1.11.1.jar (org.vineflower:vineflower:1.11.1)
> Could not get resource 'https://maven.neoforged.net/releases/org/vineflower/vineflower/1.11.1/v…'.
> Read timed out
> Could not download mergetool-2.0.7-fatjar.jar (net.neoforged:mergetool:2.0.7)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/mergetool/2.0.7/merg…'.
> Read timed out
> Could not download AutoRenamingTool-2.0.8-all.jar (net.neoforged:AutoRenamingTool:2.0.8)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/AutoRenamingTool/2.0…'.
> Read timed out
> Could not download installertools-2.1.2-fatjar.jar (net.neoforged.installertools:installertools:2.1.2)
> Could not get resource 'https://maven.neoforged.net/releases/net/neoforged/installertools/insta…'.
> Read timed out
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
BUILD FAILED in 3m 28s
1 actionable task: 1 executed
BUILD FAILED
Task completed in 3 minutes and 28 seconds