Cant open minecraft with Eclipse

Weirdo · April 9, 2020

I cant run minecraft no matter what I do, I tried using IntelliJ and it didn't work, I tried opening minecraft with out changing the defult code and it didn't work it just crashes while it launches. It does work's if Im trying to open minecraft from the vanilla launcher or twitch.

Here's the crash report:

Spoiler

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 4/9/20 10:54 AM
Description: Initializing game

java.lang.NoSuchMethodError: java.nio.ByteBuffer.rewind()Ljava/nio/ByteBuffer;
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:141) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_241] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102) [forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188)
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152)
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380)

-- Initialization --
Details:
Stacktrace:
   at net.minecraft.client.main.Main.main(Main.java:141)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55)
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102)

-- System Details --
Details:
   Minecraft Version: 1.15.2
   Minecraft Version ID: 1.15.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_241, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 409708576 bytes (390 MB) / 903872512 bytes (862 MB) up to 1879048192 bytes (1792 MB)
   CPUs: 4
   JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
   Launched Version: MOD_DEV
   Backend library: LWJGL version 3.2.2 build 10
   Backend API: GeForce GTX 1050/PCIe/SSE2 GL version 4.6.0 NVIDIA 432.00, NVIDIA Corporation
   GL Caps:
   Using VBOs: Yes
   Is Modded: Definitely; Client brand changed to 'forge'
   Type: Client (map_client.txt)
   CPU: <unknown>

Edited April 9, 2020 by diesieben07
spoiler

Weirdo · April 9, 2020

1 hour ago, diesieben07 said:

You compiled with Java 9 or newer but are running with Java 8.

Compile with Java 8.

It still crashes

Ugdhar · April 9, 2020

Just now, Weirdo said:

It still crashes

Post the new crashlog, or if it is the same, then you didn't actually recompile with java 8

Weirdo · April 9, 2020

Spoiler

---- Minecraft Crash Report ----
// There are four lights!

Time: 4/9/20 1:54 PM
Description: Initializing game

java.lang.NoSuchMethodError: java.nio.ByteBuffer.rewind()Ljava/nio/ByteBuffer;
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:141) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_241] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102) [forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188)
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152)
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380)

-- Initialization --
Details:
Stacktrace:
   at net.minecraft.client.main.Main.main(Main.java:141)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55)
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102)

-- System Details --
Details:
   Minecraft Version: 1.15.2
   Minecraft Version ID: 1.15.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_241, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 378488792 bytes (360 MB) / 978321408 bytes (933 MB) up to 1879048192 bytes (1792 MB)
   CPUs: 4
   JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
   Launched Version: MOD_DEV
   Backend library: LWJGL version 3.2.2 build 10
   Backend API: GeForce GTX 1050/PCIe/SSE2 GL version 4.6.0 NVIDIA 432.00, NVIDIA Corporation
   GL Caps:
   Using VBOs: Yes
   Is Modded: Definitely; Client brand changed to 'forge'
   Type: Client (map_client.txt)
   CPU: <unknown>

Edited April 9, 2020 by diesieben07
spoiler

Ugdhar · April 9, 2020

1 minute ago, Weirdo said:

How do I get it?

(Im just starting)

Get what, the log? It will be in the logs folder of either the minecraft game directory, or if you're running from the IDE, it will be in the run folder in your project folder.

Weirdo · April 9, 2020

How do I change it?

Weirdo · April 9, 2020

I did change it

Weirdo · April 10, 2020

Ok someone else?

Animefan8888 · April 10, 2020

3 minutes ago, Weirdo said:

Ok someone else?

Right click on your Project in the package explorer.

Properties.

Java Compiler

Weirdo · April 10, 2020

ok...

it says java 1.8

Animefan8888 · April 10, 2020

7 minutes ago, Weirdo said:

ok...

it says java 1.8

Well you can always uninstall Java 9+ installations.

Weirdo · April 10, 2020

1 minute ago, Animefan8888 said:

Well you can always uninstall Java 9+ installations.

Done, only 1.8 jre and jdk

Weirdo · April 10, 2020

Still crashes, do you suggest using IntelliJ or other IDE instead?

Ugdhar · April 10, 2020

59 minutes ago, Weirdo said:

Still crashes, do you suggest using IntelliJ or other IDE instead?

I would suggest posting the new logs. It is possible that Java is no longer the problem if you have removed other versions. The logs will tell us what is actually going on.

Weirdo · April 10, 2020

1 hour ago, Ugdhar said:

I would suggest posting the new logs. It is possible that Java is no longer the problem if you have removed other versions. The logs will tell us what is actually going on.

ok here

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 4/9/20 10:54 AM
Description: Initializing game

java.lang.NoSuchMethodError: java.nio.ByteBuffer.rewind()Ljava/nio/ByteBuffer;
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:141) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_241] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102) [forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188)
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152)
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380)

-- Initialization --
Details:
Stacktrace:
   at net.minecraft.client.main.Main.main(Main.java:141)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55)
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102)

-- System Details --
Details:
   Minecraft Version: 1.15.2
   Minecraft Version ID: 1.15.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_241, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 409708576 bytes (390 MB) / 903872512 bytes (862 MB) up to 1879048192 bytes (1792 MB)
   CPUs: 4
   JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
   Launched Version: MOD_DEV
   Backend library: LWJGL version 3.2.2 build 10
   Backend API: GeForce GTX 1050/PCIe/SSE2 GL version 4.6.0 NVIDIA 432.00, NVIDIA Corporation
   GL Caps:
   Using VBOs: Yes
   Is Modded: Definitely; Client brand changed to 'forge'
   Type: Client (map_client.txt)
   CPU: <unknown>

Animefan8888 · April 10, 2020

6 minutes ago, Weirdo said:

ok here

Post the log file not the crash file. They would be under run/logs

Ugdhar · April 10, 2020

That is the exact same crashlog, same date/time and everything.

Weirdo · April 10, 2020

Ho ok oops

[09Apr2020 14:35:48.793] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmluserdevclient, --fml.mcpVersion, 20200122.131323, --fml.mcVersion, 1.15.2, --fml.forgeGroup, net.minecraftforge, --fml.forgeVersion, 31.1.0, --version, MOD_DEV, --assetIndex, 1.15, --assetsDir, C:\Users\user\.gradle\caches\forge_gradle\assets, --username, Dev, --accessToken, ????????, --userProperties, {}]
[09Apr2020 14:35:48.801] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 5.0.0-milestone.4+67+b1a340b starting: java version 1.8.0_241 by Oracle Corporation
[09Apr2020 14:35:49.457] [main/INFO] [net.minecraftforge.fml.loading.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust
[09Apr2020 14:35:53.117] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'fmluserdevclient' with arguments [--version, MOD_DEV, --gameDir, ., --assetsDir, C:\Users\user\.gradle\caches\forge_gradle\assets, --assetIndex, 1.15, --username, Dev, --accessToken, ????????, --userProperties, {}]
[09Apr2020 14:35:59.932] [Render thread/INFO] [net.minecraft.client.Minecraft/]: Setting user: Dev
[09Apr2020 14:36:23.607] [Render thread/INFO] [net.minecraft.client.Minecraft/]: Backend library: LWJGL version 3.2.2 build 10
[09Apr2020 14:36:25.515] [Render thread/INFO] [STDOUT/]: [net.minecraft.util.registry.Bootstrap:printToSYSOUT:109]: ---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 4/9/20 2:36 PM
Description: Initializing game

java.lang.NoSuchMethodError: java.nio.ByteBuffer.rewind()Ljava/nio/ByteBuffer;
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:141) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_241] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_241] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55) ~[forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.0.0-milestone.4.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102) [forge-1.15.2-31.1.0_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
   at net.minecraft.client.MainWindow.loadIcon(MainWindow.java:188)
   at net.minecraft.client.MainWindow.setWindowIcon(MainWindow.java:152)
   at net.minecraft.client.Minecraft.<init>(Minecraft.java:380)

-- Initialization --
Details:
Stacktrace:
   at net.minecraft.client.main.Main.main(Main.java:141)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55)
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:102)

-- System Details --
Details:
   Minecraft Version: 1.15.2
   Minecraft Version ID: 1.15.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_241, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 491835904 bytes (469 MB) / 855113728 bytes (815 MB) up to 1879048192 bytes (1792 MB)
   CPUs: 4
   JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
   Launched Version: MOD_DEV
   Backend library: LWJGL version 3.2.2 build 10
   Backend API: GeForce GTX 1050/PCIe/SSE2 GL version 4.6.0 NVIDIA 432.00, NVIDIA Corporation
   GL Caps:
   Using VBOs: Yes
   Is Modded: Definitely; Client brand changed to 'forge'
   Type: Client (map_client.txt)
   CPU: <unknown>
[09Apr2020 14:36:25.517] [Render thread/INFO] [STDOUT/]: [net.minecraft.util.registry.Bootstrap:printToSYSOUT:109]: #@!@# Game crashed! Crash report saved to: #@!@# C:\Mods\Minecraft\tutorialMod\run\.\crash-reports\crash-2020-04-09_14.36.25-client.txt

Ugdhar · April 10, 2020

That's a newer log, but the errors are exactly the same, so I would say the original suggestion is still true.

On 4/9/2020 at 5:18 AM, diesieben07 said:

You compiled with Java 9 or newer but are running with Java 8.

Compile with Java 8.

Weirdo · April 10, 2020

Weird couse it says here java 8 Screenshot_30.png.6484b10e92fd1522e5f68f68229ab478.png

Ugdhar · April 10, 2020

I honestly couldn't tell you, I've never run into this issue, hopefully someone that knows will see it and have some advice!

Weirdo · April 10, 2020

Ok thanks

CobaltM · April 26, 2020

Ran into this exact same issue. Uninstalled eclipse/my jdk/even tried things like deleting .minecraft and reinstalling forge.

What I noticed is that whenever I ran ./gradlew genEclipseRuns it was building ~very~ fast, so I downloaded another version of the sourceForge mdk and rebuilt and it worked.

I went with mdk 31.1.30, because my second guess was that this might be a new uncaught bug.

But my guess is that it just has to be a different version, so maybe 31.1.48 or something.

My guess is there is something being cached by gradle for that initial eclipse build from the newer java version.

Maybe a faster way to fix this can be done by looking into ...\.gradle\caches and deleting forge related caches.

Weirdo · April 29, 2020

On 4/26/2020 at 11:16 PM, CobaltM said:

Ran into this exact same issue. Uninstalled eclipse/my jdk/even tried things like deleting .minecraft and reinstalling forge.

What I noticed is that whenever I ran ./gradlew genEclipseRuns it was building ~very~ fast, so I downloaded another version of the sourceForge mdk and rebuilt and it worked.

I went with mdk 31.1.30, because my second guess was that this might be a new uncaught bug.

But my guess is that it just has to be a different version, so maybe 31.1.48 or something.

My guess is there is something being cached by gradle for that initial eclipse build from the newer java version.

Maybe a faster way to fix this can be done by looking into ...\.gradle\caches and deleting forge related caches.

Ok i'll try it, gradlew was building super fast for me as well so it could be the same problem.

Thanks

Edited April 29, 2020 by Weirdo

Weirdo · April 29, 2020

It worked!

Thank you so much CobaltM!

- Developers, pls fix this problem.

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Cant open minecraft with Eclipse

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