My JIRA widgets show 'Failed to load widget data' error
This might occur due to the type of SSL certificate you're using. If you're using a self-signed certificate, you might need to obtain a certificate signed by Confluence Atlassian .
What's an SSL certificate?
Secure Sockets Layer (SSL) certificates provide secure, encrypted communications between a website and an internet browser.
Get help: If you're still having trouble with errors on your JIRA widgets, get in touch.