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Posted

Hello!

     So I've been having issues with trying to run forge (version stated above). Whenever I try to run it from the standard launcher, it gives me a crash message. I'm a bit new to this process, so all I have is the log in text format below. Any help you be appreciated!

                                                                                                                                                                                                                                                                                                                          -JD

13:49:15.024

launcher

main

Preparing to launch minecraft client for 1.12.2-forge1.12.2-14.23.5.2838

13:49:15.159

launcher

main

Couldn't fetch SHA1 checksum for https://s3.amazonaws.com/Minecraft.Download/versions/1.12.2/1.12.2.jar

13:49:15.160

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\versions\1.12.2\1.12.2.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.171

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.12.2-14.23.5.2838/forge-1.12.2-14.23.5.2838.jar

13:49:15.172

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.12.2-14.23.5.2838\forge-1.12.2-14.23.5.2838.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.214

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/com/typesafe/config/1.2.1/config-1.2.1.jar

13:49:15.215

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\com\typesafe\config\1.2.1\config-1.2.1.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.231

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar

13:49:15.232

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-actors-migration_2.11\1.1.0\scala-actors-migration_2.11-1.1.0.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.241

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar

13:49:15.242

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\com\typesafe\akka\akka-actor_2.11\2.3.3\akka-actor_2.11-2.3.3.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.272

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar

13:49:15.273

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.281

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar

13:49:15.282

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-library_2.11\1.0.2\scala-continuations-library_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.292

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar

13:49:15.293

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-plugin_2.11.1\1.0.2\scala-continuations-plugin_2.11.1-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.306

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar

13:49:15.307

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.11.1\scala-library-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.310

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar

13:49:15.311

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-parser-combinators_2.11\1.0.1\scala-parser-combinators_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.324

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar

13:49:15.325

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-reflect\2.11.1\scala-reflect-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.437

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar

13:49:15.438

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-swing_2.11\1.0.1\scala-swing_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.446

launcher

main

Couldn't fetch SHA1 checksum for http://files.minecraftforge.net/maven/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar

13:49:15.446

launcher

main

Have local file C:\Users\John David\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-xml_2.11\1.0.2\scala-xml_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.

13:49:15.634

launcher

main

Checking installations.

13:49:15.634

launcher

main

Minecraft client 1.12.2-forge1.12.2-14.23.5.2838 is ready to start.

13:49:15.634

launcher

main

Starting!

13:49:15.911

launcher

main

Version does not support log configuration, will assume one plaintext entry per line

13:49:17.021

game

[13:49:17] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

13:49:19.802

game

[13:49:17] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

13:49:19.802

game

[13:49:17] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker

13:49:19.802

game

[13:49:17] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2838 for Minecraft 1.12.2 loading

13:49:19.802

game

[13:49:17] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_51, running on Windows 10:amd64:10.0, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64

13:49:19.802

game

[13:49:17] [main/INFO] [FML]: Searching C:\Users\John David\AppData\Roaming\.minecraft\mods for mods

13:49:19.802

game

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:81) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:42) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:141) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]

13:49:19.802

game

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]

13:49:19.802

game

Caused by: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

13:49:19.802

game

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51]

13:49:19.802

game

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51]

13:49:19.802

game

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51]

13:49:19.802

game

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]

13:49:19.802

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

... 5 more

13:49:19.802

game

Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

13:49:19.802

game

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]

13:49:19.802

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51]

13:49:19.802

game

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51]

13:49:19.802

game

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51]

13:49:19.802

game

at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51]

13:49:19.802

game

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]

13:49:19.802

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]

13:49:19.802

game

at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.802

game

... 5 more

13:49:19.836

game

Caused by: java.lang.NullPointerException

13:49:19.836

game

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]

13:49:19.836

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]

13:49:19.836

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]

13:49:19.836

game

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51]

13:49:19.836

game

at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51]

13:49:19.836

game

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51]

13:49:19.836

game

at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51]

13:49:19.836

game

at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51]

13:49:19.836

game

at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51]

13:49:19.836

game

at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51]

13:49:19.836

game

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51]

13:49:19.836

game

at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51]

13:49:19.836

game

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]

13:49:19.836

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]

13:49:19.836

game

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]

13:49:19.836

game

at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]

13:49:19.836

game

at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]

13:49:19.836

game

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.836

game

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.836

game

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.836

game

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2838.jar:?]

13:49:19.836

game

... 5 more

13:49:19.836

game

Exception in thread "main" [13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException

13:49:19.836

game

[13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)

13:49:19.836

game

[13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)

13:49:19.836

game

[13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107)

13:49:19.836

game

[13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:971)

13:49:19.836

game

[13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)

13:49:19.836

game

[13:49:19] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

13:49:19.862

monitor

Process Monitor

Process crashed with exit code 1

 
Posted

Let me guess...
Happy: "Yay the issue is fixed!"
Mad: "I spent HOW long trying to fix this and it was THAT simple?!"

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.

  Reveal hidden contents

 

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