I am using iReport3.6.0 for jasper report and connect it with IBM webSphere Portal Server on windows O.S. its working very fine bt its JAR file does not support when we deployed our Portal server to AIX server Is there any help regarding this error please update me. The error shows in systemOut.log is (1) Uncaught service() exception root cause Report: javax.portlet.PortletException: #{reportDemoBean.getReport}: javax.faces.el.EvaluationException: java.lang.NoClassDefFoundError: sun/awt/X11GraphicsEnvironment (2) Caused by: javax.faces.FacesException: #{reportDemoBean.getReport}: javax.faces.el.EvaluationException: java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable. Post Edited by nitishsri at 10/30/2010 06:22