Hi, On Sat, Aug 31, 2013 at 7:27 PM, Giovanni <[email protected]> wrote:
> Hi! > I need to display more than a hundred pictures on the page (about 100kb - > 300kb), i but I got the error about heap. I read that the reason of this > error could be serialization of the page, but I don't know, how to solve > this. > Read about Java memory settings (-Xms, -Xmx) > > TestMultipleImages.html: > /<?xml version="1.0" encoding="UTF-8" ?> > <html xmlns:wicket="http://wicket.apache.org";> > <head> > </head> > <body> > > <form wicket:id="form"> > <input wicket:id="uploadField" type="file" multiple /> > <button>SUMBIT</button> > </form> > > > > > </body> > </html>/ > > TestMultipleImages.java: > /public class TestMultipleImages extends WebPage { > private FileUploadField uploadField; > private Form<String> form; > > private static List<BufferedImage> images = new > ArrayList<BufferedImage>(); > > @Override > protected void onBeforeRender() { > removeAll(); > > RepeatingView imageRepeater = new > RepeatingView("imageRepeater"); > add(imageRepeater); > for (BufferedImage image : images) { > WebMarkupContainer container = new > WebMarkupContainer(imageRepeater.newChildId()); > imageRepeater.add(container); > > BufferedDynamicImageResource resource = new > BufferedDynamicImageResource(); > resource.setImage(image); > > container.add(new Image("image", resource)); > } > > form = new Form<String>("form") { > @Override > protected void onSubmit() { > for (FileUpload fileUpload : > uploadField.getModelObject()) { > byte[] bytes = > fileUpload.getBytes(); > > ByteArrayInputStream bais = new > ByteArrayInputStream(bytes); > BufferedImage readedImage = null; > try { > readedImage = > ImageIO.read(bais); > bais.close(); > } catch (IOException e) { > e.printStackTrace(); > } > images.add(readedImage); > } > > super.onSubmit(); > } > }; > > uploadField = new FileUploadField("uploadField"); > uploadField.setModel(new ListModel<FileUpload>()); > form.add(uploadField); > add(form); > > super.onBeforeRender(); > } > }/ > > > > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/OutOfMemoryError-Java-heap-space-when-i-try-to-upload-and-show-a-hundred-100kb-pics-tp4661159.html > Sent from the Users forum mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
