Copy page hierarchy REST API copies a page tree 5 times

Issue Summary

Doing a Copy page hierarchy REST API call to some page trees results in 5 copies when copyProperties is set to true.

Instances replicated in

• https://issue-reproducers-4-atlassian.atlassian.net under Temp_test space

Steps to Reproduce

1. Call Copy page hierarchy REST API with "copyProperties": true in the request body
2. Wait until the long-running task is done

Sample request body:

{
  "copyAttachments": true,
  "copyPermissions": true,
  "copyProperties": true,
  "copyLabels": true,
  "originalPageId": "xxx",
  "destinationPageId": "xxx",
  "titleOptions": {
        "prefix": "[COPY] "
  }
}

Expected Results

Only one page tree is copied.

Actual Results

5 copies are made with prefixes of "(2) (2)", "(3) (3)", ... , "(5) (5)". The title prefix is also duplicated.

Notes

• Happens to specific contents only.
• The pattern cannot be found as of yet.

Workaround

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