Blank subreport in Jasper report

Question

I have seen quite a few questions on blank subreports but none of them provide the information I need. I have a master report:

Answer 1

I didn't notice any irregularities from your XML JR code. First, are you sure your Data Source (database resultset) is returning any results and is set up properly?

I would also recommend installing the IREPORT Designer tool for Jasper Reports. I think the latest version is 4.1.2. This will help you tremendously in both designing and error/exception handling.