In ObjToJme.java line #219:
} else if ("Ks".equals(parts[0])){
curGroup.m.setSpecular(new ColorRGBA(Float.parseFloat(parts[1]),Float.parseFloat(parts[2]),Float.parseFloat(parts[3]),1));
return;
} else if ("Ks".equals(parts[0])){
curGroup.m.setShininess(Float.parseFloat(parts[1]));
return;
The second "Ks" must be "Ns".
Fixed.