When calling JasperStarter as a standalone application, it needs several seconds and a lot of cpu before it will print. That is ok, because the Java JVM will be loaded with every call. My goal was to write a socket server, which is loading the jpy java bridge when starting it and serving a calling socket client (with is sending the jrxml data) with the output That is working in general. But the direct print function from the Report.class of JasperStarter is not working, Because the print function...