虚拟机提示线程异常，错误的Client

Question

import  java.io.*;import   java.net.*;class  PicClient{ public   static  void  main(String[]   args)throws  Exception { Socket  s=new  Socket("192.168.1.2",10007); FileInputStream  fis  =new   FileInputStream("C:\\1.bmp"); OutputStream  out=s.getOutputStream(); byte[]   buf=new  byte[1024]; int  len=0; while((len=fis.read(buf))!=-1) { out.write(buf,0,len); } s.shutdownOutput();InputStream  in=s.getInputStream();byte[]  bufIn=new  byte[1024];int  num=in.read(bufIn);System.out.println(new  String(bufIn,0,num));fis.close();s.close(); }}class  PicServer{ public  static  void  main(String[]  args)throws   Exception { ServerSocket  ss=new  ServerSocket(10007); Socket  s=ss.accept(); InputStream   in=s.getInputStream(); FileOutputStream  fos=new   FileOutputStream("server.bmp"); byte[]   buf=new  byte[1024]; int  len  =0; while((len=in.read(buf))!=-1) { fos.write(buf,0,len); } OutputStream  out=s.getOutputStream(); out.write("上传成功".getBytes()); fos.close(); s.close(); ss.close(); }}