_state=STATE_START;
_state=STATE_AJP13HEADER_MAGIC; _contentPosition=0; _signaledHeaderComplete = false;
    public void reset(boolean returnBuffers)    {        _state=STATE_START;        if (_buffer!=null)        {            _buffer.setMarkIndex(-1);            if (!_buffer.hasContent()&&_buffers!=null&&returnBuffers)            {                _buffers.returnBuffer(_buffer);            }            else            {                _buffer.compact();                _ajpRequestPacket.reset();            }        }    }