According to this (https://stackoverflow.com/a/43354536/1152679) answer from StackOverflow, you have to replace groovy for a more recent version. Delete TIBCOJaspersoftStudio-x.x.x.final/plugins/groovy-all_2.4.5.jar and replace for groovy-2.4.12/embeddable/groovy-all-2.4.12.jar This works for me.