2012-07-09 04:31:40 [SEVERE] Exception in thread "File IO Thread"
2012-07-09 04:31:40 [SEVERE] java.lang.OutOfMemoryError
2012-07-09 04:31:40 [SEVERE]    at java.util.zip.Deflater.init(Native Method)
2012-07-09 04:31:40 [SEVERE]    at java.util.zip.Deflater.<init>(Deflater.java:169)
2012-07-09 04:31:40 [SEVERE]    at java.util.zip.Deflater.<init>(Deflater.java:186)
2012-07-09 04:31:40 [SEVERE]    at java.util.zip.DeflaterOutputStream.<init>(DeflaterOutputStream.java:162)
2012-07-09 04:31:40 [SEVERE]    at java.util.zip.DeflaterOutputStream.<init>(DeflaterOutputStream.java:175)
2012-07-09 04:31:40 [SEVERE]    at net.minecraft.server.RegionFile.b(SourceFile:245)
2012-07-09 04:31:40 [SEVERE]    at net.minecraft.server.RegionFileCache.c(SourceFile:96)
2012-07-09 04:31:40 [SEVERE]    at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:140)
2012-07-09 04:31:40 [SEVERE]    at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:130)
2012-07-09 04:31:40 [SEVERE]    at net.minecraft.server.FileIOThread.b(SourceFile:29)
2012-07-09 04:31:40 [SEVERE]    at net.minecraft.server.FileIOThread.run(SourceFile:22)
2012-07-09 04:31:40 [SEVERE]    at java.lang.Thread.run(Thread.java:722)