Created attachment 1923191 [details]
Chome Browser Console view of the error

Description of problem: Uploading a boot image from the web ui fails with the error with "An error occurred: Not Found"

Version-Release number of selected component (if applicable): CNV 4.10 on OpenShift 4.11.5 using Data Foundation to manage the local storage

How reproducible:

Always

Clone an existing template
Edit the Boot Source
Add disk
select "Use this disk as a boot source"
Set the source to "Upload (Upload a new file to PVC)"
Choose the qcow2 you are going to upload
Save

Steps to Reproduce:

1. Clone an existing template
2. Edit the Boot Source
3. Add disk
4. select "Use this disk as a boot source"
5. Set the source to "Upload (Upload a new file to PVC)"
6. Choose the qcow2 you are going to upload
7. Set StorageClass to ocs-storagecluster-ceph-rbd
8. Save

Actual results:

Fails with "An eror occurred Not Found"

Expected results:

Image to be uploaded and attached to the template

Additional info:

After speaking with Alexander Wels, it would appear that the webpage is using a GET method
to send the data to the server while the server is looking for the data via POST

Please see attached images for console and network reports from Browser