Don't know what this means but I know it shouldn't happen Code: 2012-04-11 20:00:47 [INFO] Saving chunks 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) 2012-04-11 20:00:47 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.RangeCheck(ArrayList.java:547) 2012-04-11 20:00:47 [SEVERE] at java.util.ArrayList.set(ArrayList.java:337) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFile.<init>(SourceFile:129) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.a(SourceFile:65) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.RegionFileCache.c(SourceFile:95) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:136) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.ChunkRegionLoader.c(ChunkRegionLoader.java:126) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.b(SourceFile:29) 2012-04-11 20:00:47 [SEVERE] at net.minecraft.server.FileIOThread.run(SourceFile:22) 2012-04-11 20:00:47 [SEVERE] at java.lang.Thread.run(Thread.java:662) *Fixed* Realised its to do with mobarena EDIT by Moderator: merged posts, please use the edit button instead of double posting.