Couldn't read 8 bytes from IO stream

[ebds]

I have researched a bit about this error message, but haven't found anything.

When using compass I get those error messages:

I don't know what this means... any help appreciated

[wvanbergen]

My guess is that you have a PNG file that is less than 8 bytes (which by definition means it is an invalid image, but the error message is not very useful here).

[wvanbergen]

Actually, disregard that. It looks like it is some kind of damaged PNG file that is being included in your SCSS. Most likely a file that was improperly truncated for some reason.

Unfortunately, Compass doesn't tell you what file is causing the issue - that is something that should be fixed in Compass though.

[wvanbergen]

If you manage to find out what file triggers this, I can look into it a bit more to see what is wrong with it.

[whoisjake]

I found one!

[whoisjake]

I created it with http://www.piskelapp.com/

[wvanbergen]

The problem with this image is that it has 2 null-bytes after the final IEND chunk. So it doesn't conform to the PNG standard, and will fail when it tries to read a chunk from the remaining data.

Even though this image is technically invalid, I think the library should stop reading a stream once it hits the IEND chunk, instead of reading until it hits EOF, which should fix this problem.

[wvanbergen]

The fix has been merged!