Blockcocker

Need a real mod on this, I find this error every where and it keeps getting marked as fixed with no fix listed. netty io #2/info [fml]: unexpected packet during modded negotiation - assuming vanilla or keepalives : net.minecraft.network.play.client.C00Packetkeepalive When I try to log in this error just repeats over and over in server window Also finding this error when the server first starts, before I log in, [19:44:23] [server console handler/ERROR]: Exception handling console input java.io.IOException: The handle is invalid at java.io.FileInputStream.readBytes(Native Method) ~[?:1.8.0_111] at java.io.FileInputStream.read(Unknown Source) ~[?:1.8.0_111] at java.io.BufferedInputStream.read1(Unknown Source) ~[?:1.8.0_111] at java.io.BufferedInputStream.read(Unknown Source) ~[?:1.8.0_111] at sun.nio.cs.StreamDecoder.readBytes(Unknown Source) ~[?:1.8.0_111] at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.8.0_111] at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.8.0_111] at java.io.InputStreamReader.read(Unknown Source) ~[?:1.8.0_111] at java.io.BufferedReader.fill(Unknown Source) ~[?:1.8.0_111] at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.8.0_111] at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.8.0_111] at net.minecraft.server.dedicated.DedicatedServer$2.run(DedicatedServer.java:97) [lv.class:?] Thank you