Hello, Recently my server has started experiencing a lot of lags and even more crashes. There is almost nothing in the server log and I haven't added or removed any plugins recently (I have the same plugins as when there was no lag). The only real error I am finding is this one: [18:49:00] [File IO Thread/WARN]: java.io.IOException: Stream Closed [18:49:00] [File IO Thread/WARN]: at java.io.RandomAccessFile.seek0(Native Method) [18:49:00] [File IO Thread/WARN]: at java.io.RandomAccessFile.seek(Unknown Source) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.RegionFile.a(RegionFile.java:254) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.RegionFile.a(RegionFile.java:192) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.ChunkBuffer.close(SourceFile:232) [18:49:00] [File IO Thread/WARN]: at java.util.zip.DeflaterOutputStream.close(Unknown Source) [18:49:00] [File IO Thread/WARN]: at java.io.FilterOutputStream.close(Unknown Source) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:197) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.ChunkRegionLoader.c(ChunkRegionLoader.java:184) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.FileIOThread.b(SourceFile:30) [18:49:00] [File IO Thread/WARN]: at net.minecraft.server.v1_7_R1.FileIOThread.run(SourceFile:23) [18:49:00] [File IO Thread/WARN]: at java.lang.Thread.run(Unknown Source) Can anyone tell me how to fix this? Thanks in advance, MrQuartz