Help needed with server error!

i keep getting this error right before mt minecraft server crashes and its not out of memory any help ??





20:44:32 CONSOLE: [SEVERE] Unexpected exception
20:44:32 CONSOLE: [SEVERE] Exception in thread "Connection #2 read thread"
20:44:32 CONSOLE: [SEVERE] java.lang.OutOfMemoryError: getNewTla
20:44:32 CONSOLE: [SEVERE] at java.net.SocketInputStream.read(SocketInputStream.java:181)
20:44:33 CONSOLE: [SEVERE] at java.io.DataInputStream.readInt(DataInputStream.java:370)
20:44:33 CONSOLE: [SEVERE] Unexpected exception
20:44:33 CONSOLE: [SEVERE] Exception in thread "Connection #2 read thread"
20:44:33 CONSOLE: [SEVERE] java.lang.OutOfMemoryError: getNewTla
20:44:33 CONSOLE: [SEVERE] at java.net.SocketInputStream.read(SocketInputStream.java:181)
20:44:33 CONSOLE: [SEVERE] at java.io.DataInputStream.readInt(DataInputStream.java:370)
20:44:36 CONSOLE: [SEVERE] at java.io.DataInputStream.readFloat(DataInputStream.java:429)
20:44:36 CONSOLE: [SEVERE] at net.minecraft.server.Packet13PlayerLookMove.a(SourceFile:29)
20:44:36 CONSOLE: [SEVERE] at net.minecraft.server.Packet.a(Packet.java:83)
20:44:36 CONSOLE: [SEVERE] at net.minecraft.server.NetworkManager.h(NetworkManager.java:149)
20:44:36 CONSOLE: [SEVERE] at net.minecraft.server.NetworkManager.c(NetworkManager.java:268)
20:44:36 CONSOLE: [SEVERE] at net.minecraft.server.NetworkReaderThread.run(SourceFile:76)