Summary

Cannot remove user from project roles in project administration > Users and Roles

Environment

JIRA v7.1.1

Steps to Reproduce

1. Create a new user with username that starts with '0'. Example '06744'
2. Add user to any project role
3. Click on the trash icon to remove user from project roles in project administration > Users and Roles

Expected Results

User should be removed from the Project Role

Actual Results

User is not removed from the Project Role

Notes

• This is caused by the request to delete the user automatically dropping the '0' from the username. The Har file shows that the user: 6477 is deleted from the project role, instead of the expected '06477' username.
• Does not happen on JIRA 6.x

Workaround

• Remove the user from project roles in JIRA administration > User Management instead
• Avoiding the use of numeric usernames, or using the REST API to manually remove the user from the project role:

  curl '<BASE-URL>/rest/api/2/project/XXXX/role/10002?user=06744' -X DELETE -u....