Issue Summary

When copying a page that has custom content as a JSON property, the custom content is not copied.

See Content properties in the REST API for accessing content properties via REST.

This can also occur when using ContentPropertyService with JsonContentProperty

Steps to Reproduce

1. Create a page in Confluence
2. Add JSON page properties with (using new page contentId)
   

   curl --user admin:admin --verbose --silent --request POST "http://localhost:1990/confluence/rest/api/content/<contentId>/property" --header 'Content-type: application/json' --data-raw '
   {
       "key":"test-key",
       "value": "test-value"
   }' | jq '.'

3. Copy page with ... -> Copy page
4. Check new page properties with

   curl --user admin:admin --verbose --silent --request GET "http://localhost:1990/confluence/rest/api/content/<newContentId>/property" | jq '.'
   

Expected Results

The page properties are returned in the JSON response.

Actual Results

The page properties are not returned.

{
  "results": [],
  "start": 0,
  "limit": 10,
  "size": 0,
  "_links": {
    "self": "http://localhost:1990/confluence/rest/api/content/<newContentId>/property",
    "base": "http://localhost:1990/confluence",
    "context": "/confluence"
  }
} 

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available