我正在尝试实现一个用于流式传输大对象的servlet:oracle.sql.BLOBblob=rs.getBLOB('obj');InputStreamin=blob.getBinaryStream();intbufferSize=1024;byte[]buffer=newbyte[bufferSize];ServletOutputStreamout=response.getOutputStream();intcounter=0while((length=in.read(buffer))!=-1){out.write(buffer,0,length);counter++;if(coun