I did tests with local images in a rich text and as metadata.
- Urls for image as metadata
- CMS: /www/_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/illustration/image_max150x150? OK
- Preview: /preview/www/_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/illustration/image_max150x150? OK
- Live: /live/www/_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/illustration/image_max150x150? OK
- Site: /_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/illustration/image_max150x150? OK
File in cache: WEB-INF/data/cache/www/_contents-images/ametys%3Asites/www/ametys-internal%3Acontents/l-universite-article-2/_metadata/illustration/image_max150x150
- Urls for image in a rich-text
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- CMS: /www/_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/content/_data/6_b.jpg_150x150? OK
- Preview: /preview/www/_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/content/_data/6_b.jpg_150x150? OK
- Live: /live/www/_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/content/_data/6_b.jpg_150x150? OK
- Site: /_contents-images/ametys%253Asites/www/ametys-internal%253Acontents/l-universite-article-2/_metadata/content/_data/6_b.jpg_150x150? OK
File in cache folder : WEB-INF/data/cache/www/_contents-images/ametys%3Asites/www/ametys-internal%3Acontents/l-universite-article-2/_metadata/content/_data/6_b.jpg_150x150
All urls are fines for me. The cache folders are nor the same as yours (ametys%3Asites instead of ametys%253Asites).
Was your site application upgraded with the last jar ?
Note that I do not use a Apache server in front of my Tomcat server.
The site was not upgraded with last version of jar.