Hello, I never see that. As usually I make my jar file, when i like to start this new file.jar, i've this message "Java Virtual Machine Launcher(title) Fatal exception occurred. Program will exit." There is ~40 files in this new file.jar... It's strange because if i do an other file.jar with 8 other files there is no problem with ... I search on internet but I only see the same question without answer... Could everyone explein me? Greg
Hi Greg, It's happened to me once when I forgot to compile just before jarring and I fixed it by recompiling and then rejarring. Have you tried executing the classes in their raw format? Ed
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Joined: Feb 19, 2003
Yes i tried it. There is no problem if i execute direct the class(main class)... But I think I found the source of my problem... I use an oser jar file for the connection to the DB(MySQL). It's in JRE's directory(jre/lib/ext/mysql-connector-java-3.0.8-stable-bin.jar). I do only a "import ..." in my code and if i execute the class, there is no error, but if I do a jar file with the class, it comes... What must I do with the driver for the DB? Greg