2011-06-11 16:26:03 [SEVERE] java.lang.OutOfMemoryError: Java heap space
2011-06-11 16:26:03 [SEVERE]    at java.util.Arrays.copyOf(Arrays.java:2760)
2011-06-11 16:26:03 [SEVERE]    at java.util.Arrays.copyOf(Arrays.java:2734)
2011-06-11 16:26:03 [SEVERE]    at java.util.ArrayList.ensureCapacity(ArrayList.java:167)
2011-06-11 16:26:03 [SEVERE]    at java.util.ArrayList.add(ArrayList.java:351)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.AxisAlignedBB.b(SourceFile:25)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.AxisAlignedBB.b(SourceFile:81)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.World.getEntities(World.java:921)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.EntityGhast.a(SourceFile:131)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.EntityGhast.c_(SourceFile:63)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.EntityLiving.u(EntityLiving.java:692)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.EntityLiving.o_(EntityLiving.java:231)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.EntityGhast.o_(SourceFile:38)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.World.entityJoinedWorld(World.java:1108)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:62)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.World.playerJoinedWorld(World.java:1090)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.World.cleanUp(World.java:1067)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:395)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:309)
2011-06-11 16:26:03 [SEVERE]    at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
2011-06-11 16:26:03 [SEVERE] Unexpected exception