Getting a java.io.FileNotFoundException (Access is denied)

Question

I'm using the following code to save a BufferedImage to disk:

savePath = new File(path);
savePath.mkdirs();
savePath.createNewFile();
javax.imageio.ImageIO.write(img, "png", savePath);

This particular piece of code is executed off a server, and is run about 10 times for every client request. Most of the time (9 requests out of 10), it works fine, and the image is saved to disk as expected.

However, sometimes I get a java.io.FileNotFoundException (Access is denied) on the ...ImageIO.write() line, and the image is not saved. (The folder is still created)

What can cause the exception?

If you are using a Uinix related OS it might be an issue of permissions. Is the path of the image when it works the same as when it fails? — npinti
– npinti, Commented Nov 9, 2012 at 5:47
It's Windows. Write permissions aren't a problem. And the path is always of the form [constant_path]/[random number]/imagename.png — Osiris
– Osiris, Commented Nov 9, 2012 at 5:49

user207421 · Accepted Answer · 2012-11-09 05:51:06Z

4

It's hard to believe this actually works. You are creating savePath as a directory, by calling mkdirs(), and then trying to create it as a file. You need to call savePath.getParentFile().mkdirs() instead.

The createNewFile() call is redundant.

answered Nov 9, 2012 at 5:51

user207421

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1 Comment

Osiris Over a year ago

Thanks, that worked. I was under the impression that mkdirs() creates all dirs required for the file.

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