Issue Summary

Confluence page PDF export fails with a 502 Bad Gateway error when the page contains an Insert Jira Issue/Filter macro that displays a Jira custom field of type Text Field (multi-line) containing emoticons. The issue appears to be specific to the presence of emoticons in the Jira data rendered during the export process.

Steps to Reproduce

1. In Jira: Create or identify a Text Field (multi-line) custom field. Change the custom field type to use the rich text editor by following this KB: Change text custom field to rich text editor in Jira Data Center.
2. In Jira: Add a random emoticon to this custom field in a Jira issue using the rich text editor or inline editing.
3. In Confluence: Create a page and add the Insert Jira Issue/Filter macro.
4. In Confluence: Configure the macro to display the custom field that contains the emoticon.
5. In Confluence: Attempt to export the page to PDF using More actions (...) > Export to PDF.

Expected Results

The Confluence page should be exported successfully as a PDF.

Actual Results

The export process keeps loading, and the PDF file is not generated. The following error is observed:

Workaround

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

Versions Tested

Please confirm all versions that have been tested for this issue, and indicate whether the tested version is affected or not affected, below: