everytime I go into my multiplayer world this happens. there is nothing I can figure out to fix it and here is what the minecraft server says in it.
java.io.IOException: The handle is invalid
at java.io.FileInputStream.readBytes(Native Method) ~[?:1.7.0_51]
at java.io.FileInputStream.read(Unknown Source) ~[?:1.7.0_51]
at java.io.BufferedInputStream.read1(Unknown Source) ~[?:1.7.0_51]
at java.io.BufferedInputStream.read(Unknown Source) ~[?:1.7.0_51]
at sun.nio.cs.StreamDecoder.readBytes(Unknown Source) ~[?:1.7.0_51]
at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.7.0_51]
at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.7.0_51]
at java.io.InputStreamReader.read(Unknown Source) ~[?:1.7.0_51]
at java.io.BufferedReader.fill(Unknown Source) ~[?:1.7.0_51]
at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.7.0_51]
at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.7.0_51]
at lu.run(SourceFile:78) [minecraft_server.1.7.5.jar:?]
[19:29:21 INFO]: Default game type: SURVIVAL
[19:29:21 INFO]: Generating keypair
[19:29:21 INFO]: Starting Minecraft server on 25.12.174.255:25565
[19:29:21 INFO]: Preparing level "world"
[19:29:21 INFO]: Preparing start region for level 0
[19:29:22 INFO]: Preparing spawn area: 72%
[19:29:22 INFO]: Done (1.300s)! For help, type "help" or "?"

[19:30:37 INFO]: UUID of player ColbyGrappe is 0d0374945efc47c08d6f7c6ca85f2fad
[19:30:37 INFO]: ColbyGrappe[/25.12.174.255:64401] logged in with entity id 231 at (345.6955170506102, 90.15382134367752, -446.9438347531509)
[19:30:37 INFO]: ColbyGrappe joined the game
[19:30:37 WARN]: Wrong location! xi['Skeleton'/275, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/276, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/277, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/278, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/279, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/280, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/281, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/282, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/283, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/284, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/285, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/286, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/287, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/288, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/289, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/290, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/291, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/292, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/293, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/294, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/295, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/296, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/297, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/298, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/299, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/300, l='world', x=358.33, y=68.23, z=-468.84] (at 22, -30 instead of 15, -30)
[19:30:37 WARN]: Wrong location! xi['Skeleton'/301, l='world', x=325.53, y=62.00, z=-465.86] (at 20, -30 instead of 15, -30)