ERROR MinecraftServer Encountered an unexpected exception java.lang.OutOfMemoryError: Java heap space
    at java.util.HashMap.createEntry(Unknown Source)
    at java.util.HashMap.addEntry(Unknown Source)
    at java.util.HashMap.put(Unknown Source)
    at dg.a(SourceFile:64)
    at aow.a(SourceFile:236)
    at aow.a(SourceFile:96)
    at mi.b(SourceFile:146)
    at mi.a(SourceFile:175)
    at mj.a(SourceFile:604)
    at net.minecraft.server.MinecraftServer.a(SourceFile:277)
    at bsk.t(SourceFile:113)
    at net.minecraft.server.MinecraftServer.run(SourceFile:358)
    at ky.run(SourceFile:617)

ERROR MinecraftServer Exception stopping the server java.lang.OutOfMemoryError: Java heap space
    at java.util.jar.JarFile.getBytes(Unknown Source)
    at java.util.jar.JarFile.getManifestFromReference(Unknown Source)
    at java.util.jar.JarFile.getInputStream(Unknown Source)
    at sun.misc.URLClassPath$JarLoader$2.getInputStream(Unknown Source)
    at magic.launcher.t.getInputStream(Unknown Source)
    at sun.misc.Resource.cachedInputStream(Unknown Source)
    at sun.misc.Resource.getByteBuffer(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at mx.c(SourceFile:104)
    at ld.r(SourceFile:747)
    at net.minecraft.server.MinecraftServer.n(SourceFile:294)
    at bsk.n(SourceFile:225)
    at net.minecraft.server.MinecraftServer.run(SourceFile:390)
    at ky.run(SourceFile:617)

Exception in thread "Server thread" java.lang.OutOfMemoryError: Java heap space
    at java.util.jar.JarFile.getBytes(Unknown Source)
    at java.util.jar.JarFile.getManifestFromReference(Unknown Source)
    at java.util.jar.JarFile.getInputStream(Unknown Source)
    at sun.misc.URLClassPath$JarLoader$2.getInputStream(Unknown Source)
    at magic.launcher.t.getInputStream(Unknown Source)
    at sun.misc.Resource.cachedInputStream(Unknown Source)
    at sun.misc.Resource.getByteBuffer(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at net.minecraft.server.MinecraftServer.run(SourceFile:376)
    at ky.run(SourceFile:617)

SoundSystem shutting down...
    Author: Paul Lamb, www.paulscode.com