Reports created off of Jaspersoft Ad Hoc Views that are not exporting fully when they are running on a scheduled distribution.
Report is to large
Please use parameters/filters to limit the records.
or
Split the reports in two parts
For example: Instead fetching the data from "Jan 1st to Dec 31", we can fetch "Jan 1st - Jun 30th" and then "Jul 1st - Dec 31st"