How to read big bufferedimage

I am reading a 100 MB pict开发者_如何学Goure into my app. It works fine inside Eclipse, but not when I export project to a JAR. Then, I get "Can't read input file!"

Since I need to edit it, I used BufferedImage.

private String str = "images/1.png";
BufferedImage imageMap;
//in constructor
imageMap = ImageIO.read(new File(str));

I have tried this, but the project image does not load inside Eclipse:

imageMap = ImageIO.read(this.getClass().getClassLoader().getResource(str));

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Check you working directory if the image is loaded from the file system. Then you see if your relative path "images/1.png" is valid. Or you directly check the path of your png

System.out.println(new File("."));
File f = new File("images/1.png");
System.out.println(f.getAbsolutePath());