2013-05-12 11:05:17 [INFO] Starting minecraft server version 1.4.7
2013-05-12 11:05:17 [WARNING] To start the server with more ram, launch it as "java -Xmx1024M -Xms1024M -jar minecraft_server.jar"
2013-05-12 11:05:39 [INFO] Loading properties
2013-05-12 11:05:39 [INFO] Default game type: SURVIVAL
2013-05-12 11:05:39 [INFO] Generating keypair
2013-05-12 11:05:41 [INFO] Starting Minecraft server on *:25565
2013-05-12 11:06:07 [INFO] Preparing level "world"
2013-05-12 11:06:10 [INFO] Preparing start region for level 0
2013-05-12 11:06:12 [INFO] Preparing spawn area: 4%
2013-05-12 11:06:13 [INFO] Preparing spawn area: 4%
2013-05-12 11:06:16 [INFO] Preparing spawn area: 5%
2013-05-12 11:06:17 [INFO] Preparing spawn area: 8%
2013-05-12 11:06:18 [INFO] Preparing spawn area: 12%
2013-05-12 11:06:19 [INFO] Preparing spawn area: 13%
2013-05-12 11:06:20 [INFO] Preparing spawn area: 16%
2013-05-12 11:06:21 [INFO] Preparing spawn area: 18%
2013-05-12 11:06:22 [INFO] Preparing spawn area: 21%
2013-05-12 11:06:23 [INFO] Preparing spawn area: 23%
2013-05-12 11:06:24 [INFO] Preparing spawn area: 26%
2013-05-12 11:06:25 [INFO] Preparing spawn area: 30%
2013-05-12 11:06:26 [INFO] Preparing spawn area: 31%
2013-05-12 11:06:27 [INFO] Preparing spawn area: 33%
2013-05-12 11:06:28 [INFO] Preparing spawn area: 35%
2013-05-12 11:06:29 [INFO] Preparing spawn area: 38%
2013-05-12 11:06:30 [INFO] Preparing spawn area: 40%
2013-05-12 11:06:31 [INFO] Preparing spawn area: 42%
2013-05-12 11:06:32 [INFO] Preparing spawn area: 44%
2013-05-12 11:06:34 [INFO] Preparing spawn area: 45%
2013-05-12 11:06:35 [INFO] Preparing spawn area: 45%
2013-05-12 11:06:37 [INFO] Preparing spawn area: 48%
2013-05-12 11:06:38 [INFO] Preparing spawn area: 49%
2013-05-12 11:06:40 [INFO] Preparing spawn area: 50%
2013-05-12 11:06:42 [INFO] Preparing spawn area: 50%
2013-05-12 11:06:43 [INFO] Preparing spawn area: 51%
2013-05-12 11:06:52 [SEVERE] Encountered an unexpected exception NoClassDefFoundError
java.lang.NoClassDefFoundError: l
	at a.<init>(CrashReport.java:27)
	at a.a(CrashReport.java:319)
	at im.c(ChunkProviderServer.java:135)
	at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:310)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:284)
	at ho.c(DedicatedServer.java:180)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:458)
	at fy.run(SourceFile:849)
Caused by: java.lang.ClassNotFoundException: l
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	... 8 more
Caused by: java.lang.OutOfMemoryError: Java heap space
	at java.util.Arrays.copyOfRange(Arrays.java:3209)
	at java.lang.String.<init>(String.java:215)
	at org.objectweb.asm.ClassReader.a(Unknown Source)
	at org.objectweb.asm.ClassReader.readUTF8(Unknown Source)
	at org.objectweb.asm.ClassReader.accept(Unknown Source)
	at org.objectweb.asm.ClassReader.accept(Unknown Source)
	at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:30)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:228)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:173)
	... 10 more
2013-05-12 11:06:56 [INFO] Stopping server
2013-05-12 11:06:56 [INFO] Saving players
2013-05-12 11:06:57 [INFO] Saving worlds
2013-05-12 11:06:57 [INFO] Saving chunks for level 'world'/Overworld