Similar here Jaspersoft studio 6.6.0 Ubuntu 18.10 64 bit Java openjdk version "1.8.0_191" Can't even open a report. I'm getting error: Could not instantiate report compiler : null BeanShellReport.jrxml /JasperReportsSamples/beanshell line 0 JRXML Problem Studio 6.6.0 freezes frequently on Windows 10 and ubuntu 16.04 espetially in combination with webservice datasource plugin.