Use GraalVM Native Image to turn the Minecraft server into native executables that are small in footprint, fast, and cheap to deploy.
Home Page: https://medium.com/graalvm/native-minecraft-servers-with-graalvm-native-image-1a3f6a92eb48
License: MIT License
Dear HPI-SWA Group,
I would like to talk with you, about an interesting EU Project that would like to use Minecraft for their co-creation processes.
How could I contact you to explain the ideas?
Best
Nico
Hi, I was just wondering how difficult it would be if I wanted to update this to 1.19.3 myself for personal use.
i was also wondering if its possible to use datapacks along side it?
thanks in advance.
Hello, I'm on Windows 11 using WSL and when running build.sh I get to [2/8] Performing analysis, where it runs for a few seconds then throws an error:
Fatal error: java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Executable.getDeclaringClass()" because "method" is null
at org.graalvm.nativeimage.builder/com.oracle.svm.hosted.substitute.SubstitutionReflectivityFilter.shouldExclude(SubstitutionReflectivityFilter.java:65)
at org.graalvm.nativeimage.builder/com.oracle.svm.hosted.reflect.ReflectionDataBuilder.registerMethod(ReflectionDataBuilder.java:331)
at org.graalvm.nativeimage.builder/com.oracle.svm.hosted.reflect.ReflectionDataBuilder.lambda$register$16(ReflectionDataBuilder.java:275)
at org.graalvm.nativeimage.pointsto/com.oracle.graal.pointsto.util.CompletionExecutor.executeCommand(CompletionExecutor.java:187)
at org.graalvm.nativeimage.pointsto/com.oracle.graal.pointsto.util.CompletionExecutor.lambda$executeService$0(CompletionExecutor.java:171)
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1423)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)
Fatal error: java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Executable.getDeclaringClass()" because "method" is null
at org.graalvm.nativeimage.builder/com.oracle.svm.hosted.substitute.SubstitutionReflectivityFilter.shouldExclude(SubstitutionReflectivityFilter.java:65)
at org.graalvm.nativeimage.builder/com.oracle.svm.hosted.reflect.ReflectionDataBuilder.registerMethod(ReflectionDataBuilder.java:331)
at org.graalvm.nativeimage.builder/com.oracle.svm.hosted.reflect.ReflectionDataBuilder.lambda$register$16(ReflectionDataBuilder.java:275)
at org.graalvm.nativeimage.pointsto/com.oracle.graal.pointsto.util.CompletionExecutor.executeCommand(CompletionExecutor.java:187)
at org.graalvm.nativeimage.pointsto/com.oracle.graal.pointsto.util.CompletionExecutor.lambda$executeService$0(CompletionExecutor.java:171)
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1423)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)
Edit: I should add that I'm using GraalVM for JDK 20, I've tried using GraalVM-EE but it wouldn't play nice with build.sh, notably it wouldn't recognize bin/gu
currently unless this is a learning project...no one will be interested in supporting it since the most used versions are 1.16 and 1.8...(for survival and pvp respectively)
When the jar is used and tested, you will have more feedback from the users... who are the ones who play... taking into account that it is the purpose, otherwise this remains a pure learning tool or hobby
NOTE: Take note that since 1.16 accounts are forced to be M$ crap so that's another reason why players just dont like, specially community of free software.. as a player i dont use 1.18.. just 1.8 for pvp and 1.16 for survival games, most servers are compatible with such version also.
Reading this part of the medium blog post:
The application is closed-source so we can’t just look at the source code to determine all reflective accesses. While decompilation of compiled code is possible, the code has been obfuscated by the development team beforehand, randomizing as much information as possible. Therefore, without having in-depth access to the source code we are not able to determine if every class, method, or field that could be accessed through reflections has actually been caught.
I remembered that open source mappings of Minecraft's source do exist... through 3rd party efforts, like yarn:
https://github.com/FabricMC/yarn
https://maven.fabricmc.net/docs/yarn-1.19.2+build.8/index.html
Would this aid AOT compilation in any way? And would it enable mod support, as long as the mods themselves have unobfuscated jars and/or available source files?
Compilation of the official jar is somewhat impractical without mod support, as very few performance/resource usage conscious server owners run the official Mojang server jar by itself.
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