Our OnDemand instance was automatically updated to JIRA version 7 recently, and after this happened our REST API calls that add attachments to issues stopped working. All I get back is a 500 Internal Server Error with no additional information.
The "latest" API documentation posted still seems to be for JIRA 6.4, so I'm unable to tell if anything with this call has changed. Here is the call I am using: https://docs.atlassian.com/jira/REST/latest/#d2e3247
Any information regarding how this has changed and what I need to do to get it working again would be greatly appreciated.