how to show a chart in a custom field in Jira? i want to show a chart in a custom field ,but i do not know how to realize it , i found some demos to show piechart in report , but i can not find a demo to show chart in custom field , so can anyone can give me some suggestions? which method should to override ? or which method to return a Jfreechart's output? or anyone can telle me is it possible to show a chart in Jira's custom field? Thanks a lot!