Topic category: Troubleshooting, bugs, and solutions
Whenever I try to launch my client, i get this error. I could use some help with this so i can continue work on my mod.
(I'm currently live on Twitch, so if you want to drop by and i can speak with you directly, it might help a lot more.)
Executing Gradle task: runClient
Build info: MCreator 2020.2.13616, 1.12.2, 64-bit, 5968 MB, Windows 10, JVM 1.8.0_232, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk
This mapping 'snapshot_20171003' was designed for MC 1.12! Use at your own peril.
:deobfCompileDummyTask
:deobfProvidedDummyTask
:sourceApiJava UP-TO-DATE
:compileApiJava NO-SOURCE
:processApiResources NO-SOURCE
:apiClasses UP-TO-DATE
:sourceMainJava UP-TO-DATE
:compileJava UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:jar
:getVersionJson
:extractNatives SKIPPED
:extractUserdev UP-TO-DATE
:getAssetIndex UP-TO-DATE
:getAssets
Current status: 284/1305 21%
Current status: 885/1305 67%
Current status: 1065/1305 81%
Current status: 1072/1305 82%
Current status: 1075/1305 82%
Current status: 1079/1305 82%
Current status: 1084/1305 83%
Current status: 1089/1305 83%
Current status: 1123/1305 86%
:makeStart
:runClient
15:09.17 [main/INFO] [GradleStart]: Extra: []
15:09.17 [main/INFO] [GradleStart]: Running with arguments: [--userProperties, {}, --assetsDir, C:/Users/Owner/.mcreator/gradle/caches/minecraft/assets, --assetIndex, 1.12, --accessToken{REDACTED}, --version, 1.12.2, --tweakClass, net.minecraftforge.fml.common.launcher.FMLTweaker, --tweakClass, net.minecraftforge.gradle.tweakers.CoremodTweaker]
15:09.17 [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
15:09.17 [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
15:09.17 [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.CoremodTweaker
15:09.17 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
15:09.17 [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2768 for Minecraft 1.12.2 loading
15:09.17 [main/INFO] [FML]: Java is OpenJDK 64-Bit Server VM, version 1.8.0_232, running on Windows 10:amd64:10.0, installed at C:\Program Files\Pylo\MCreator\jdk\jre
15:09.17 [main/ERROR] [FML]: Apache Maven library folder was not in the format expected. Using default libraries directory.
15:09.17 [main/ERROR] [FML]: Full: C:\Users\Owner\.mcreator\gradle\caches\modules-2\files-2.1\org.apache.maven\maven-artifact\3.5.3\7dc72b6d6d8a6dced3d294ed54c2cc3515ade9f4\maven-artifact-3.5.3.jar
15:09.17 [main/ERROR] [FML]: Trimmed: c:/users/owner/.mcreator/gradle/caches/modules-2/files-2.1/org.apache.maven/maven-artifact/3.5.3/
15:09.17 [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
15:09.17 [main/INFO] [FML]: Detected deobfuscated environment, loading log configs for colored console logs.
15:09.19 [main/INFO] [FML]: Ignoring missing certificate for coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin), we are in deobf and it's a forge core plugin
15:09.19 [main/INFO] [FML]: Ignoring missing certificate for coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin), we are in deobf and it's a forge core plugin
15:09.19 [main/INFO] [FML]: Searching C:\DC2\run\.\mods for mods
15:09.19 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.CoremodTweaker
15:09.19 [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.fml.relauncher.FMLCorePlugin
15:09.19 [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.classloading.FMLForgePlugin
15:09.19 [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
15:09.19 [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
15:09.19 [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
15:09.19 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
15:09.19 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
15:09.19 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
15:09.20 [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
15:09.20 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
15:09.20 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
15:09.21 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
15:09.21 [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
15:09.21 [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
15:09.21 [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
15:09.22 [main/INFO] [minecraft/Minecraft]: Setting user: Player187
15:09.29 [main/INFO] [minecraft/Minecraft]: LWJGL Version: 2.9.4
15:09.30 [main/ERROR] [minecraft/Minecraft]: Couldn't set pixel format
org.lwjgl.LWJGLException: Pixel format not accelerated
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.Display.createWindow(Display.java:306) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.Display.create(Display.java:848) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.Display.create(Display.java:757) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at net.minecraft.client.Minecraft.createDisplay(Minecraft.java:674) [Minecraft.class:?]
at net.minecraft.client.Minecraft.init(Minecraft.java:504) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:421) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:118) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_232]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_232]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_232]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_232]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_232]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_232]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_232]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_232]
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97) [start/:?]
at GradleStart.main(
.GradleStart:25">GradleStart.java:25) [start/:?]
15:09.31 [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:629 ---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.
Time: 4/6/20 3:09 PM
Description: Initializing game
org.lwjgl.LWJGLException: Pixel format not accelerated
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247)
at org.lwjgl.opengl.Display.createWindow(Display.java:306)
at org.lwjgl.opengl.Display.create(Display.java:848)
at org.lwjgl.opengl.Display.create(Display.java:757)
at org.lwjgl.opengl.Display.create(Display.java:739)
at net.minecraft.client.Minecraft.createDisplay(Minecraft.java:694)
at net.minecraft.client.Minecraft.init(Minecraft.java:504)
at net.minecraft.client.Minecraft.run(Minecraft.java:421)
at net.minecraft.client.main.Main.main(Main.java:118)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
at GradleStart.main(
.GradleStart:25">GradleStart.java:25)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247)
at org.lwjgl.opengl.Display.createWindow(Display.java:306)
at org.lwjgl.opengl.Display.create(Display.java:848)
at org.lwjgl.opengl.Display.create(Display.java:757)
at org.lwjgl.opengl.Display.create(Display.java:739)
at net.minecraft.client.Minecraft.createDisplay(Minecraft.java:694)
at net.minecraft.client.Minecraft.init(Minecraft.java:504)
-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.run(Minecraft.java:421)
at net.minecraft.client.main.Main.main(Main.java:118)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
at GradleStart.main(
.GradleStart:25">GradleStart.java:25)
-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_232, BellSoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode),
Memory: 209705280 bytes (199 MB) / 328204288 bytes (313 MB) up to 1392508928 bytes (1328 MB)
JVM Flags: 0 total;
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML:
Loaded coremods (and transformers):
Launched Version: 1.12.2
LWJGL: 2.9.4
OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
GL Caps:
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)
CPU: <unknown>
15:09.31 [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:629 #@!@# Game crashed! Crash report saved to: #@!@# C:\DC2\run\.\crash-reports\crash-2020-04-06_15.09.31-client.txt
:runClient FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':runClient'.
> Process 'command 'C:\Program Files\Pylo\MCreator\jdk\bin\java.exe'' finished with non-zero exit value -1
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1m 3s
13 actionable tasks: 7 executed, 6 up-to-date
BUILD FAILED
Task completed in 64112 milliseconds
I think that there's a problem with the jar, try to reinstall mcreator.