Some JIRA gadgets are not editable in Confluence

Summary (of symptom #1)

Certain JIRA Gadgets are not editable anymore in Confluence. The edit option are not available when trying to configure the gadget which is preventing the gadget from being inserted on a page.

Please refer to CONF-45112 for updates on a fix for this symptom.

Summary (of symptom #2)

Existing JIRA gadgets are displayed properly but return the following error when viewed in the editor:

Steps to Reproduce

1. Edit a page with an existing JIRA gadget on it.

Expected Results

The gadget can be edited properly.

Actual Results

Instead of the gadget, the following error message is returned:

Notes

Workaround

No workaround for now.