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problems booting server

jejed8

By jejed8
in Support & Bug Reports

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jejed8 Tree Puncher

jejed8

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I'm trying to boot my server with the command bellow in the terminal app in my mac to allocate more RAM to the server but instead i get an error (its a modded server)

 

java -Xmx1024M -Xms1024M -jar forge-1.14.4-28.2.2.jar

 

this is the error message:

 

[17:07:01] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 28.2.2, --fml.mcpVersion, 20190829.143755, --fml.mcVersion, 1.14.4, --fml.forgeGroup, net.minecraftforge]

[17:07:01] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher 4.1.0+62+5bfa59b starting: java version 12.0.1 by Oracle Corporation

[17:07:02] [main/INFO] [ne.mi.fm.lo.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust

[17:07:03] [main/INFO] [STDERR/]: [jdk.nashorn.api.scripting.NashornScriptEngine:<init>:143]: Warning: Nashorn engine is planned to be removed from a future JDK release

[17:07:03] [main/INFO] [cp.mo.mo.LaunchServiceHandler/MODLAUNCHER]: Launching target 'fmlserver' with arguments [--gameDir, .]

Exception in thread "main" [17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: java.lang.RuntimeException: java.lang.IllegalArgumentException: Unsupported class file major version 56

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:39)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1050]: at net.minecraftforge.server.ServerMain.main(ServerMain.java:57)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: Caused by: java.lang.IllegalArgumentException: Unsupported class file major version 56

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.<init>(ClassReader.java:176)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.<init>(ClassReader.java:158)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.<init>(ClassReader.java:146)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.<init>(ClassReader.java:273)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.computeHierarchy(TransformerClassWriter.java:82)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.access$100(TransformerClassWriter.java:35)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter$SuperCollectingVisitor.visit(TransformerClassWriter.java:129)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.accept(ClassReader.java:525)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.accept(ClassReader.java:391)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.computeHierarchy(TransformerClassWriter.java:83)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.access$100(TransformerClassWriter.java:35)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter$SuperCollectingVisitor.visit(TransformerClassWriter.java:129)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.accept(ClassReader.java:525)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.ClassReader.accept(ClassReader.java:391)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.computeHierarchy(TransformerClassWriter.java:83)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.access$100(TransformerClassWriter.java:35)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter$SuperCollectingVisitor.visit(TransformerClassWriter.java:129)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at org.objectweb.asm.tree.ClassNode.accept(ClassNode.java:368)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.computeHierarchy(TransformerClassWriter.java:74)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformerClassWriter.<init>(TransformerClassWriter.java:48)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:241)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:128)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at java.base/java.lang.Class.forName0(Native Method)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at java.base/java.lang.Class.forName(Class.java:415)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at net.minecraftforge.fml.loading.FMLServerLaunchProvider.lambda$launchService$0(FMLServerLaunchProvider.java:51)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)

[17:07:03] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1059]: ... 7 more

 

its my 3rd time writing this post since i wasn't on a supported minecraft version

can someone help me all i want is to play with my friends

jejed8 Tree Puncher

jejed8

Posted
  • Author
Posted (edited)
  On 3/29/2020 at 9:19 PM, diesieben07 said:

Java 12 is not yet supported.

It is recommended to stick with Java 8 for modded Minecraft for the time being.

Expand  

when i check in the java control panel on my computer it's written that I'm on java 8 update 241

how do i change to the good version?

Edited by jejed8

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