I created a custom expression function by following the instructions here: https://community.jaspersoft.com/wiki/jaspersoft-studio-expression-editor-how-extend-it-and-contribute-your-own-functions-part-2-0 This works fine and I can preview a report using the custom expression in JSS 6.5.1. Now, how do I install the expression on the server? I can create and upload a jar, but that in itself is not enough. I see various mention of bundles, spring beans, and so on, but the information seems either outdated or irrelevant. Is there a "Part 3" to the tutorial above that shows how to install the extended expression on the server?