id summary reporter owner description type status priority milestone component version severity resolution keywords cc 125 JCad version 1.1 doesn't run on Java versions higher than 1.4.2 Joop "Tried to run JCad version 1.1. Both with Java 1.5009 and with Java 1.6.0-b22 WSE I get this message; Exception in thread ""main"" java.lang.ClassCastException: java.awt.image.DataBuff erByte cannot be cast to java.awt.image.DataBufferInt at VirtualScreen.resetVirtualScreen(VirtualScreen.java:141) at VirtualScreen.(VirtualScreen.java:112) at Reference.(Reference.java:34) at JCad.(JCad.java:28) at JCad.main(JCad.java:87) I did use this command file for starting up; @echo off rem Java 1.4.2 SET JAVA_HOME=i:\JAVA\JAVA142 set BEGINLIBPATH=i:\JAVA\JAVA142\bin set path=i:\JAVA\JAVA142\bin rem @echo off rem Java 1.5.009 rem SET JAVA_HOME=i:\JAVA\JAVA150 rem set BEGINLIBPATH=i:\JAVA\JAVA150\bin rem @echo off rem Java 1.6.0 rem set BEGINLIBPATH=i:\JAVA\JAVA160\bin rem set path=i:\JAVA\JAVA160\bin I: cd I:\CAD\Jcad java.exe -jar jcad.jar Just by putting in rem I can activate different versions of Java for testing. Own system eCS 1.2 Dutch memory 1Gb." defect closed Feedback Pending general 1.6.0-b22 WSE high invalid