you should add jce.jar to your class path (e.g., C:\j2sdk1.4.2_07\jre\lib\jce.jar). good luck Aiwu -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mailman.CS.McGill.CA/pipermail/soot-list/attachments/20051212/3d222c7a/attachment.htm