vcon-serverprecondition-required
If-Match must name the current version
- Type
https://vcon-server.com/problems/precondition-required- Status
- 428
- Title
- If-Match must name the current version
When
A PUT /vcons/{uuid} came without If-Match. A replace must say which version it replaces, so that two writers cannot overwrite each other unseen.
What to do
Read the vCon, take its ETag, and send it as If-Match.
Source of this page: website/content/problems/precondition-required.md