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.
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]
