Or you could set the lineart layer to Multiply (select from the dropdown which probably has Normal right now in the Layer box) if you did it on Layer 1. ouo
maybe it's because you didn't erase on the lineart-layer but instead corrected lines with a white brush.
Just add another layer, paint bucket it a brightcolour and you'll probably see all the white-brush-spots from the lineart layer.
What you can do about it?
Either you try erase these white spots.
Redo the lineart.
so on the java canvas one i have two layers one is line art and one is color, i have my coloroing layer under my line art layer but when i go to color im not seeing any colors at all only in a few areas