server crash

[Server console handler/ERROR]: Exception handling console input
java.io.IOException: Input/output error
	at java.io.FileInputStream.readBytes(Native Method) ~[?:1.8.0_25]
	at java.io.FileInputStream.read(FileInputStream.java:246) ~[?:1.8.0_25]
	at java.io.BufferedInputStream.read1(BufferedInputStream.java:284) ~[?:1.8.0_25]
	at java.io.BufferedInputStream.read(BufferedInputStream.java:345) ~[?:1.8.0_25]
	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284) ~[?:1.8.0_25]
	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326) ~[?:1.8.0_25]
	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178) ~[?:1.8.0_25]
	at java.io.InputStreamReader.read(InputStreamReader.java:184) ~[?:1.8.0_25]
	at java.io.BufferedReader.fill(BufferedReader.java:161) ~[?:1.8.0_25]
	at java.io.BufferedReader.readLine(BufferedReader.java:324) ~[?:1.8.0_25]
	at java.io.BufferedReader.readLine(BufferedReader.java:389) ~[?:1.8.0_25]
	at pr.run(SourceFile:81) [server.jar:?]