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SevenCone364156

Forge Server Not Starting

By SevenCone364156, in Support & Bug Reports

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SevenCone364156    0

SevenCone364156
Posted

I am making a modded 1.16.4 server on my mac to play with my friend. I installed the forge server and everything looked fine. The vanilla server launched perfectly but when i tried to launch the forge jar, nothing. Then, I tried booting it off of a .command file but then I got this error message:

 

 

 

[17:29:31] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 35.1.32, --fml.mcpVersion, 20201102.104115, --fml.mcVersion, 1.16.4, --fml.forgeGroup, net.minecraftforge, -o, true]

[17:29:31] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher 8.0.6+85+master.325de55 starting: java version 15.0.1 by Oracle Corporation

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by cpw.mods.modlauncher.SecureJarHandler (file:/Users/matthewklunder/Desktop/Servers/Forge/libraries/cpw/mods/modlauncher/8.0.6/modlauncher-8.0.6.jar) to field java.util.jar.Manifest.jv

WARNING: Please consider reporting this to the maintainers of cpw.mods.modlauncher.SecureJarHandler

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

[17:29:31] [main/INFO] [ne.mi.fm.lo.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust

[17:29:31] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.2 Source=file:/Users/matthewklunder/Desktop/Servers/Forge/libraries/org/spongepowered/mixin/0.8.2/mixin-0.8.2.jar Service=ModLauncher Env=SERVER

[17:29:31] [main/WARN] [ne.mi.fm.lo.FMLConfig/CORE]: Configuration file /Users/matthewklunder/Desktop/Servers/Forge/config/fml.toml is not correct. Correcting

[17:29:31] [main/WARN] [ne.mi.fm.lo.FMLConfig/CORE]: Incorrect key [defaultConfigPath] was corrected from null to defaultconfigs

Exception in thread "main" [17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: java.lang.NoClassDefFoundError: jdk/nashorn/api/scripting/NashornScriptEngineFactory

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.coremod.CoreModEngine.loadCoreMod(CoreModEngine.java:48)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.coremod.CoreModProvider.addCoreMod(CoreModProvider.java:12)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:274)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.LoadingModList.addCoreMods(LoadingModList.java:85)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.moddiscovery.ModDiscoverer.discoverMods(ModDiscoverer.java:129)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.FMLLoader.beginModScan(FMLLoader.java:215)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.FMLServiceProvider.runScan(FMLServiceProvider.java:107)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServiceDecorator.runScan(TransformationServiceDecorator.java:114)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServicesHandler.lambda$runScanningTransformationServices$8(TransformationServicesHandler.java:115)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1766)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServicesHandler.runScanningTransformationServices(TransformationServicesHandler.java:116)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServicesHandler.initializeTransformationServices(TransformationServicesHandler.java:63)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.Launcher.run(Launcher.java:76)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.server.ServerMain.main(ServerMain.java:57)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: Caused by: java.lang.ClassNotFoundException: jdk.nashorn.api.scripting.NashornScriptEngineFactory

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:606)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:168)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)

[17:29:32] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: ... 35 more

Saving session...

...copying shared history...

...saving history...truncating history files...

...completed.

Deleting expired sessions...none found.

 

[Process completed]

 

 

I have looked at other forums of people having the same problem but none of them seemed to be solved.

 

Can anyone help me with this?

I am using Mac OS Big Sur

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DaemonUmbra    541

DaemonUmbra
Posted

Forge is not compatible with Java 15 as a library Forge uses was removed in Java 15.

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

Spoiler

Logs (Most issues require logs to diagnose):

Spoiler

Please post logs using one of the following sites (Thank you Lumber Wizard for the list):

https://gist.github.com/: 100MB Requires member (Free)

https://pastebin.com/: 512KB as guest, 10MB as Pro ($$$)

https://hastebin.com/: 400KB

Do NOT use sites like Mediafire, Dropbox, OneDrive, Google Drive, or a site that has a countdown before offering downloads.

 

What to provide:

...for Crashes and Runtime issues:

Minecraft 1.14.4 and newer:

Post debug.log

Older versions:

Please update...

 

...for Installer Issues:

Post your installer log, found in the same place you ran the installer

This log will be called either installer.log or named the same as the installer but with .log on the end

Note for Windows users:

Windows hides file extensions by default so the installer may appear without the .jar extension then when the .log is added the log will appear with the .jar extension

 

Where to get it:

Mojang Launcher: When using the Mojang launcher debug.log is found in .minecraft\logs.

 

Twitch Launcher: If you are using the Twitch Launcher, their configurations break Forge's log settings, fortunately there is an easier workaround than I originally thought, this works even with Twitch's installation of the Minecraft launcher as long as it is not launched THROUGH Twitch:

Spoiler
  1. Make sure you have the correct version of Forge installed (some packs are heavily dependent on one specific build of Forge)
  2. Make a launcher profile targeting this version of Forge.
  3. Set the launcher profile's GameDir property to the pack's instance folder (not the instances folder, the folder that has the pack's name on it).
  4. Now launch the pack through that profile and follow the "Mojang Launcher" instructions above.

Video:

Spoiler

 

 

 

or alternately, 

 

Fallback ("No logs are generated"):

If you don't see logs generated in the usual place, provide the launcher_log.txt from .minecraft

 

Server Not Starting:

Spoiler

If your server does not start or a command window appears and immediately goes away, run the jar manually and provide the output.

 

Reporting Illegal/Inappropriate Adfocus Ads:

Spoiler

Get a screenshot of the URL bar or copy/paste the whole URL into a thread on the General Discussion board with a description of the Ad.

Lex will need the Ad ID contained in that URL to report it to Adfocus' support team.

 

Posting your mod as a GitHub Repo:

Spoiler

When you have an issue with your mod the most helpful thing you can do when asking for help is to provide your code to those helping you. The most convenient way to do this is via GitHub or another source control hub.

When setting up a GitHub Repo it might seem easy to just upload everything, however this method has the potential for mistakes that could lead to trouble later on, it is recommended to use a Git client or to get comfortable with the Git command line. The following instructions will use the Git Command Line and as such they assume you already have it installed and that you have created a repository.

 

  1. Open a command prompt (CMD, Powershell, Terminal, etc).
  2. Navigate to the folder you extracted Forge’s MDK to (the one that had all the licenses in).
  3. Run the following commands:
    1. git init
    2. git remote add origin [Your Repository's URL]
      • In the case of GitHub it should look like: https://GitHub.com/[Your Username]/[Repo Name].git
    3. git fetch
    4. git checkout --track origin/master
    5. git stage *
    6. git commit -m "[Your commit message]"
    7. git push
  4. Navigate to GitHub and you should now see most of the files.
    • note that it is intentional that some are not synced with GitHub and this is done with the (hidden) .gitignore file that Forge’s MDK has provided (hence the strictness on which folder git init is run from)
  5. Now you can share your GitHub link with those who you are asking for help.

[Workaround line, please ignore]

 

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DaemonUmbra    541

DaemonUmbra
Posted

Java 8 is recommended as it is what Mojang ships with the client

Show how you're running the jar

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

Spoiler

Logs (Most issues require logs to diagnose):

Spoiler

Please post logs using one of the following sites (Thank you Lumber Wizard for the list):

https://gist.github.com/: 100MB Requires member (Free)

https://pastebin.com/: 512KB as guest, 10MB as Pro ($$$)

https://hastebin.com/: 400KB

Do NOT use sites like Mediafire, Dropbox, OneDrive, Google Drive, or a site that has a countdown before offering downloads.

 

What to provide:

...for Crashes and Runtime issues:

Minecraft 1.14.4 and newer:

Post debug.log

Older versions:

Please update...

 

...for Installer Issues:

Post your installer log, found in the same place you ran the installer

This log will be called either installer.log or named the same as the installer but with .log on the end

Note for Windows users:

Windows hides file extensions by default so the installer may appear without the .jar extension then when the .log is added the log will appear with the .jar extension

 

Where to get it:

Mojang Launcher: When using the Mojang launcher debug.log is found in .minecraft\logs.

 

Twitch Launcher: If you are using the Twitch Launcher, their configurations break Forge's log settings, fortunately there is an easier workaround than I originally thought, this works even with Twitch's installation of the Minecraft launcher as long as it is not launched THROUGH Twitch:

Spoiler
  1. Make sure you have the correct version of Forge installed (some packs are heavily dependent on one specific build of Forge)
  2. Make a launcher profile targeting this version of Forge.
  3. Set the launcher profile's GameDir property to the pack's instance folder (not the instances folder, the folder that has the pack's name on it).
  4. Now launch the pack through that profile and follow the "Mojang Launcher" instructions above.

Video:

Spoiler

 

 

 

or alternately, 

 

Fallback ("No logs are generated"):

If you don't see logs generated in the usual place, provide the launcher_log.txt from .minecraft

 

Server Not Starting:

Spoiler

If your server does not start or a command window appears and immediately goes away, run the jar manually and provide the output.

 

Reporting Illegal/Inappropriate Adfocus Ads:

Spoiler

Get a screenshot of the URL bar or copy/paste the whole URL into a thread on the General Discussion board with a description of the Ad.

Lex will need the Ad ID contained in that URL to report it to Adfocus' support team.

 

Posting your mod as a GitHub Repo:

Spoiler

When you have an issue with your mod the most helpful thing you can do when asking for help is to provide your code to those helping you. The most convenient way to do this is via GitHub or another source control hub.

When setting up a GitHub Repo it might seem easy to just upload everything, however this method has the potential for mistakes that could lead to trouble later on, it is recommended to use a Git client or to get comfortable with the Git command line. The following instructions will use the Git Command Line and as such they assume you already have it installed and that you have created a repository.

 

  1. Open a command prompt (CMD, Powershell, Terminal, etc).
  2. Navigate to the folder you extracted Forge’s MDK to (the one that had all the licenses in).
  3. Run the following commands:
    1. git init
    2. git remote add origin [Your Repository's URL]
      • In the case of GitHub it should look like: https://GitHub.com/[Your Username]/[Repo Name].git
    3. git fetch
    4. git checkout --track origin/master
    5. git stage *
    6. git commit -m "[Your commit message]"
    7. git push
  4. Navigate to GitHub and you should now see most of the files.
    • note that it is intentional that some are not synced with GitHub and this is done with the (hidden) .gitignore file that Forge’s MDK has provided (hence the strictness on which folder git init is run from)
  5. Now you can share your GitHub link with those who you are asking for help.

[Workaround line, please ignore]

 

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SevenCone364156    0

SevenCone364156
Posted

My command is:

 

#!/bin/bash
cd "$( dirname "$0" )"
java -Xms8G -Xmx8G -jar forge-1.16.4-35.1.32.jar -o true

 

 

I installed java 8 update 271. But I still get this message:

 

[19:07:40] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 35.1.32, --fml.mcpVersion, 20201102.104115, --fml.mcVersion, 1.16.4, --fml.forgeGroup, net.minecraftforge, -o, true]

[19:07:40] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher 8.0.6+85+master.325de55 starting: java version 15.0.1 by Oracle Corporation

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by cpw.mods.modlauncher.SecureJarHandler (file:/Users/matthewklunder/Desktop/Servers/Forge/libraries/cpw/mods/modlauncher/8.0.6/modlauncher-8.0.6.jar) to field java.util.jar.Manifest.jv

WARNING: Please consider reporting this to the maintainers of cpw.mods.modlauncher.SecureJarHandler

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

[19:07:41] [main/INFO] [ne.mi.fm.lo.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust

[19:07:41] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.2 Source=file:/Users/matthewklunder/Desktop/Servers/Forge/libraries/org/spongepowered/mixin/0.8.2/mixin-0.8.2.jar Service=ModLauncher Env=SERVER

Exception in thread "main" [19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: java.lang.NoClassDefFoundError: jdk/nashorn/api/scripting/NashornScriptEngineFactory

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.coremod.CoreModEngine.loadCoreMod(CoreModEngine.java:48)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.coremod.CoreModProvider.addCoreMod(CoreModProvider.java:12)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:274)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.LoadingModList.addCoreMods(LoadingModList.java:85)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.moddiscovery.ModDiscoverer.discoverMods(ModDiscoverer.java:129)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.FMLLoader.beginModScan(FMLLoader.java:215)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.fml.loading.FMLServiceProvider.runScan(FMLServiceProvider.java:107)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServiceDecorator.runScan(TransformationServiceDecorator.java:114)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServicesHandler.lambda$runScanningTransformationServices$8(TransformationServicesHandler.java:115)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:271)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1766)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServicesHandler.runScanningTransformationServices(TransformationServicesHandler.java:116)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.TransformationServicesHandler.initializeTransformationServices(TransformationServicesHandler.java:63)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.Launcher.run(Launcher.java:76)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1048]: at net.minecraftforge.server.ServerMain.main(ServerMain.java:57)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: Caused by: java.lang.ClassNotFoundException: jdk.nashorn.api.scripting.NashornScriptEngineFactory

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:606)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:168)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)

[19:07:42] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1057]: ... 35 more

Saving session...

...copying shared history...

...saving history...truncating history files...

...completed.

Deleting expired sessions...none found.

 

[Process completed]

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DaemonUmbra    541

DaemonUmbra
Posted

Yes, that's relying on your PATH variable to find Java for you, and its pointing at Java 15.

If you have both Java 15 and Java 8 installed you'll need to either modify PATH to point to Java 8 or you'll need to specify the full path to the Java 8 executable instead of relying on PATH.

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

Spoiler

Logs (Most issues require logs to diagnose):

Spoiler

Please post logs using one of the following sites (Thank you Lumber Wizard for the list):

https://gist.github.com/: 100MB Requires member (Free)

https://pastebin.com/: 512KB as guest, 10MB as Pro ($$$)

https://hastebin.com/: 400KB

Do NOT use sites like Mediafire, Dropbox, OneDrive, Google Drive, or a site that has a countdown before offering downloads.

 

What to provide:

...for Crashes and Runtime issues:

Minecraft 1.14.4 and newer:

Post debug.log

Older versions:

Please update...

 

...for Installer Issues:

Post your installer log, found in the same place you ran the installer

This log will be called either installer.log or named the same as the installer but with .log on the end

Note for Windows users:

Windows hides file extensions by default so the installer may appear without the .jar extension then when the .log is added the log will appear with the .jar extension

 

Where to get it:

Mojang Launcher: When using the Mojang launcher debug.log is found in .minecraft\logs.

 

Twitch Launcher: If you are using the Twitch Launcher, their configurations break Forge's log settings, fortunately there is an easier workaround than I originally thought, this works even with Twitch's installation of the Minecraft launcher as long as it is not launched THROUGH Twitch:

Spoiler
  1. Make sure you have the correct version of Forge installed (some packs are heavily dependent on one specific build of Forge)
  2. Make a launcher profile targeting this version of Forge.
  3. Set the launcher profile's GameDir property to the pack's instance folder (not the instances folder, the folder that has the pack's name on it).
  4. Now launch the pack through that profile and follow the "Mojang Launcher" instructions above.

Video:

Spoiler

 

 

 

or alternately, 

 

Fallback ("No logs are generated"):

If you don't see logs generated in the usual place, provide the launcher_log.txt from .minecraft

 

Server Not Starting:

Spoiler

If your server does not start or a command window appears and immediately goes away, run the jar manually and provide the output.

 

Reporting Illegal/Inappropriate Adfocus Ads:

Spoiler

Get a screenshot of the URL bar or copy/paste the whole URL into a thread on the General Discussion board with a description of the Ad.

Lex will need the Ad ID contained in that URL to report it to Adfocus' support team.

 

Posting your mod as a GitHub Repo:

Spoiler

When you have an issue with your mod the most helpful thing you can do when asking for help is to provide your code to those helping you. The most convenient way to do this is via GitHub or another source control hub.

When setting up a GitHub Repo it might seem easy to just upload everything, however this method has the potential for mistakes that could lead to trouble later on, it is recommended to use a Git client or to get comfortable with the Git command line. The following instructions will use the Git Command Line and as such they assume you already have it installed and that you have created a repository.

 

  1. Open a command prompt (CMD, Powershell, Terminal, etc).
  2. Navigate to the folder you extracted Forge’s MDK to (the one that had all the licenses in).
  3. Run the following commands:
    1. git init
    2. git remote add origin [Your Repository's URL]
      • In the case of GitHub it should look like: https://GitHub.com/[Your Username]/[Repo Name].git
    3. git fetch
    4. git checkout --track origin/master
    5. git stage *
    6. git commit -m "[Your commit message]"
    7. git push
  4. Navigate to GitHub and you should now see most of the files.
    • note that it is intentional that some are not synced with GitHub and this is done with the (hidden) .gitignore file that Forge’s MDK has provided (hence the strictness on which folder git init is run from)
  5. Now you can share your GitHub link with those who you are asking for help.

[Workaround line, please ignore]

 

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