Program: 62903
Project: 62903
Buggy source:
@Override public NextAction handleRead(final FilterChainContext ctx) throws IOException {
  final FramePacket pack=ctx.getMessage();
  if (pack == null) {
    return ctx.getInvokeAction();
  }
  long start=System.currentTimeMillis();
  log.trace("String_Node_Str" + pack.getGlobalCMD() + "String_Node_Str"+ ctx.getConnection().getPeerAddress()+ "String_Node_Str"+ pack.getFixHead()+ "String_Node_Str"+ oimpl);
  CompleteHandler handler=null;
  if (pack.isSync()) {
    final Connection conn=ctx.getConnection();
    handler=new CompleteHandler(){
      @Override public void onFinished(      FramePacket vpacket){
        if (conn.isOpen()) {
          try {
            conn.write(vpacket);
          }
 catch (          Exception e) {
            log.error("String_Node_Str" + vpacket + "String_Node_Str"+ pack+ "String_Node_Str"+ ctx+ "String_Node_Str"+ ctx.getFilterChain(),e);
          }
        }
      }
    }
;
  }
 else {
    handler=new CompleteHandler(){
      @Override public void onFinished(      FramePacket packet){
        log.warn("String_Node_Str" + packet);
      }
    }
;
  }
  oimpl.onPacket(pack,handler,ctx.getConnection());
  log.info("String_Node_Str" + pack.getCMD() + "String_Node_Str"+ pack.getModule()+ "String_Node_Str"+ ctx.getConnection().getPeerAddress()+ "String_Node_Str"+ ctx.getConnection().getLocalAddress()+ "String_Node_Str"+ (System.currentTimeMillis() - start)+ "String_Node_Str");
  return ctx.getStopAction();
}

Fixed version (ground truth):
@Override public NextAction handleRead(final FilterChainContext ctx) throws IOException {
  final FramePacket pack=ctx.getMessage();
  if (pack == null) {
    return ctx.getInvokeAction();
  }
  long start=System.currentTimeMillis();
  log.trace("String_Node_Str" + pack.getGlobalCMD() + "String_Node_Str"+ ctx.getConnection().getPeerAddress()+ "String_Node_Str"+ pack.getFixHead()+ "String_Node_Str"+ oimpl);
  CompleteHandler handler=null;
  if (pack.isSync()) {
    final Connection conn=ctx.getConnection();
    handler=new CompleteHandler(){
      @Override public void onFinished(      FramePacket vpacket){
        if (conn.isOpen()) {
          try {
            String packfrom=vpacket.getExtStrProp(OSocketImpl.PACK_FROM);
            log.debug("String_Node_Str" + packfrom);
            vpacket.putHeader(OSocketImpl.PACK_TO,packfrom);
            vpacket.getExtHead().reset();
            vpacket.getExtHead().genBytes();
            conn.write(vpacket);
          }
 catch (          Exception e) {
            log.error("String_Node_Str" + vpacket + "String_Node_Str"+ pack+ "String_Node_Str"+ ctx+ "String_Node_Str"+ ctx.getFilterChain(),e);
          }
        }
      }
    }
;
  }
 else {
    handler=new CompleteHandler(){
      @Override public void onFinished(      FramePacket packet){
        log.warn("String_Node_Str" + packet);
      }
    }
;
  }
  oimpl.onPacket(pack,handler,ctx.getConnection());
  log.info("String_Node_Str" + pack.getCMD() + "String_Node_Str"+ pack.getModule()+ "String_Node_Str"+ ctx.getConnection().getPeerAddress()+ "String_Node_Str"+ ctx.getConnection().getLocalAddress()+ "String_Node_Str"+ (System.currentTimeMillis() - start)+ "String_Node_Str");
  return ctx.getStopAction();
}