Execution failed for Task "decompileMC" Java heap space + Unable daemon process

[Furkos]

Hey guys,

 

I wanted to start programming a mod for Minecraft viá Java.

I followed the instruction and downloaded Java JDK 7, Eclipse & Forge.

 

Everything went fine, but when I opened CMD in the Forge Folder and typed :

"gradlew setupDecompWorkspace" it gave me an error after 3-4 minutes.

 

The error said : "decompileMc FAILED;

FAILURE: Build failed with an exception.

* What went wrong: Execution failed for task ':decompileMC'.

> Java heap space"

 

After google'ing a couple of minutes I found some ways to solve this problem.

Next I wrote "gradlew -Dorg.gradle.jvmargs=-Xmx3072m setupDecompWorkspace"

 

I got 16gb workspace so this shouldn't be a big problem, right ?

Now the "Java heap space"-error was solved, but a new error occured.

The new error said : "unable to start the daemon process"

 

So I googled for a solution for this problem.

It said I should go to C:\Users\MyUser and delete the .gradle folder. I followed the instruction but it gave me the same error over and over,

no matter how much heap space I gave Java or how often I tried to start the decompileMc new there were always the same 2 errors.

 

Any idea, what I could do ?

 

Thanks for your help and sorry for the bad english.

 

 

Furkos

[Killer7TNT]

I have the same problem.

 

(my results)

 

 

This set of MCP mappings was designed for MC 1.8.8. Use at your own peril.This set of MCP mappings was designed for MC 1.8.8. Use at your own peril.

 

#################################################

        ForgeGradle 2.1-SNAPSHOT-9fb7522       

  https://github.com/MinecraftForge/ForgeGradle 

#################################################

              Powered by MCP unknown             

            http://modcoderpack.com           

        by: Searge, ProfMobius, Fesh0r,       

        R4wk, ZeuX, IngisKahn, bspkrs         

#################################################

:deobfCompileDummyTask

:deobfProvidedDummyTask

:getVersionJson

:extractUserdev UP-TO-DATE

:extractDependencyATs SKIPPED

:extractMcpData SKIPPED

:extractMcpMappings

:genSrgs SKIPPED

:downloadClient SKIPPED

:downloadServer SKIPPED

:splitServerJar SKIPPED

:mergeJars SKIPPED

:deobfMcSRG SKIPPED

:decompileMc FAILED

 

FAILURE: Build failed with an exception.

 

* What went wrong:

Execution failed for task ':decompileMc'.

> GC overhead limit exceeded

 

* Try:

Run with --info or --debug option to get more log output.

 

* Exception is:

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':decompileMc'.

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)

at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)

at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)

at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)

at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)

at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)

at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)

at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)

at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:62)

at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)

at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:110)

at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)

at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)

at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23)

at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43)

at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)

at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)

at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)

at org.gradle.initialization.DefaultGradleLauncher$4.run(DefaultGradleLauncher.java:155)

at org.gradle.internal.Factories$1.create(Factories.java:22)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:52)

at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:152)

at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:33)

at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:100)

at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:94)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)

at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:94)

at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:83)

at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:94)

at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)

at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)

at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:43)

at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)

at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:77)

at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:47)

at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:51)

at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:28)

at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:43)

at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:170)

at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)

at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)

at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)

at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)

at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)

at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)

at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)

at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)

at org.gradle.launcher.Main.doAction(Main.java:33)

at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)

at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)

at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)

at org.gradle.launcher.GradleMain.main(GradleMain.java:23)

at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30)

at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127)

at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)

Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded

at org.jetbrains.java.decompiler.struct.StructMember.readAttributes(StructMember.java:50)

at org.jetbrains.java.decompiler.struct.StructMethod.readAttribute(StructMethod.java:105)

at org.jetbrains.java.decompiler.struct.StructMember.readAttributes(StructMember.java:57)

at org.jetbrains.java.decompiler.struct.StructMethod.<init>(StructMethod.java:78)

at org.jetbrains.java.decompiler.struct.StructClass.<init>(StructClass.java:116)

at org.jetbrains.java.decompiler.struct.StructClass.<init>(StructClass.java:75)

at org.jetbrains.java.decompiler.struct.StructContext.addArchive(StructContext.java:167)

at org.jetbrains.java.decompiler.struct.StructContext.addSpace(StructContext.java:100)

at org.jetbrains.java.decompiler.struct.StructContext.addSpace(StructContext.java:78)

at org.jetbrains.java.decompiler.main.decompiler.BaseDecompiler.addSpace(BaseDecompiler.java:36)

at net.minecraftforge.gradle.tasks.ApplyFernFlowerTask.applyFernFlower(ApplyFernFlowerTask.java:98)

at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:226)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:219)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:208)

at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:585)

at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:568)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)

at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)

at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)

at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)

at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)

at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)

at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)

at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)

 

 

BUILD FAILED

 

Total time: 6 mins 23.678 secs

 

[LexManos]

Give gradle more ram just like you would any other java process, or edit the gradlew.bat file to force it every time.

[Killer7TNT]

Thank You LexManos

[TheHound]

If your still having this problem then make sure your JDK is up to date. That will prevent it from going further than decompileMC

[perromercenary00]

 

create a plain text file,

name it

gradle.properties

inside this file write

org.gradle.jvmargs=-Xmx2048M

 

this will set the memory limit to 2G

 

save it and drop it inside the forge folder, there next to the build.gradle file from your mod

 

that solve this problem for my, but I still stuck whith other two problems,  may you run into them in short

 

[robijnvogel]

Sorry for the necro, but I have some additional information that people who find this via Google, like me, could find useful:

 

For me it wouldn't let me set the memory flag higher than 1GB, because it used my 32-bit Java Runtime as default.

Therefore, the content of my gradle.properties file needed to be:

org.gradle.java.home = C:/Program Files/Java/jdk1.8.0_101
org.gradle.jvmargs = -Xmx2g

 

I actually needed more than 2 GB of memory for my particular Gradle daemon though.

[WaningMatrix]

Sorry for necroposting but I know a lot of people get this error while setting up 

gradlew setupDecompWorkspace

Firstly I'd suggest you to follow ForgeDocs and use intelliJ to create your mods. Follow the whole documentation page and if you still get the " :decompileMC  Ran out of Java heapspace " (on step 5 in docs) error. All you have to do is to click on Gradle on the righthandside in intelliJ Idea and click on Gradle settings (gear icon) and set the Gradle VM arguments to 

-Xmx1400M

Check below for pictures explaining the process.

 

Make sure you have at least  2 gigs on RAM allocated to JVM. You can check whether its fine or not by going to 

Start Menu> Search Configure Java and open it> In the Java tab click on View> Set the Runtime Parameters to -Xmx3G or -Xmx2G based on how much RAM you have on your computer, 2G should be also fine.

And now go to intelliJ and in the Local Terminal just type in

gradlew setupDecompWorkspace

Allow it ~5 to 15 minutes to setup the workspace and you should be good to go!

Happy coding!

Edited January 25, 2019 by WaningMatrix

[DaemonUmbra]

Please don't necropost, and no saying "sorry for" does not excuse you.

Please don't set the Xmx in your ide or on your system every (modern) Forge MDK ships with a gradle.properties that sets this for you.

If you are using an MDK that is old enough to not have this then know that you will not receive support on this forum.