MonitorBySvcOrIP.drawCharts(attrChars, request.getDate());
attrChars.get(0).getChart_file_name();
String filename = MonitorBySvcOrIP.getChartDirector() + File.separator + attrChars.get(0).getChart_file_name();;
File file = new File(filename);
FileInputStream in = new FileInputStream(file);
<BUG>getHttpResponse().setContentType("image/jpg");

getHttpResponse().setHeader("Content_Length", String.format("%d", file.length()));
ServletOutputStream out = getHttpResponse().getOutputStream();</BUG>
byte[] buf = new byte[10240];

MonitorBySvcOrIP.drawCharts(attrChars, request.getDate());
attrChars.get(0).getChart_file_name();
String filename = MonitorBySvcOrIP.getChartDirector() + File.separator + attrChars.get(0).getChart_file_name();;
File file = new File(filename);
FileInputStream in = new FileInputStream(file);
getHttpResponse().setContentType("image/png");
getHttpResponse().setHeader("Content_Length", String.format("%d", file.length()));
getHttpResponse().setHeader("Content-Disposition", "inline; filename=\"chart.png\"");
ServletOutputStream out = getHttpResponse().getOutputStream();
byte[] buf = new byte[10240];
