If image name has / [slash] in its filename then images are not accessible on instance.
- Instance was missing com.glide.ui.virtual_host system property.
- This is an OOB Property with Value - pa,html,script,include scripts,glide,custprefix,_sn
- If Instance does not have this property then Instance can behave the same way even if all images exists, it does not identify image.
Add this system property from any other OOB Instance to your affected instance.