Minecraft Forums

I was using a magiclauncher 1.0.0. to start up minecraft with some mods. no matter what I did, it kept crashing. I tried combinations of mods, single mods, I even tried no mods. I deleted magiclauncher and tried to open regular minecraft, totally unmodded. For some reason, that crashed too. I force updated twice, i tried making new worlds, I deleted minecraft and re-downloaded it, but nothing works. there's a copy of the crash report below, I hope it helps. It always crashes while loading a single player world. I haven't tried a server yet, but I want to be able to play single player. Until this is fixed, I won't be able to play minecraft, so please hurry!



---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 11/6/12 3:38 PM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: kl
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:295)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at qg.<init>(SourceFile:75)
at ih.<init>(SourceFile:60)
at ge.a(SourceFile:216)
at bce.b(SourceFile:66)
at net.minecraft.server.MinecraftServer.r(SourceFile:731)
at net.minecraft.server.MinecraftServer.q(SourceFile:661)
at bcb.q(SourceFile:117)
at net.minecraft.server.MinecraftServer.run(SourceFile:595)
at fp.run(SourceFile:818)
Caused by: java.lang.ClassNotFoundException: kl
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 22 more

Relevant Details:
- Minecraft Version: 1.4.2
- Operating System: Mac OS X (x86_64) version 10.6.8
- Java Version: 1.6.0_37, Apple Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
- Memory: 413582264 bytes (394 MB) / 554369024 bytes (528 MB) up to 1069416448 bytes (1019 MB)
- JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
- AABB Pool Size: 2177 (121912 bytes; 0 MB) allocated, 2177 (121912 bytes; 0 MB) used
- Is Modded: Probably not
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 205 (11480 bytes; 0 MB) allocated, 205 (11480 bytes; 0 MB) used
- Player Count: 0 / 8; []
- World New World Entities: 0 total; []
- World New World Players: 0 total; []
- World New World Chunk Stats: ServerChunkCache: 0 Drop: 0
- Type: Integrated Server

ok, thanks anyway