It looks like it is not finding a jasperassistant package. Perhaps there is a problem in your dependencies. In my application, I bundled all the .jar files necessary for JasperReports (JasperReports, swtJasperViewer, etc.) into a separate plug-in with necessary components visible to my main application plug-in. I set up my viewpart to that multiple reports can be opened and then it is isimply...
2009-07-15 14:17:14 UTC in SWTJasperViewer