Are you giving us the entire exception message? It should tell you which class it is looking for. I think it usually prints right before the stack trace. A NoClassDefFoundError means either a .jar file is missing or your CLASSPATH enviornment no longer contains the necessary file. -Jason -----Original Message----- From: fedora-list-bounces@xxxxxxxxxx [mailto:fedora-list-bounces@xxxxxxxxxx] On Behalf Of Cyrus Adkisson Sent: Monday, November 15, 2004 1:10 PM To: For users of Fedora Core releases Subject: Re: NoClassDefFoundError after upgrade to FC3 Well, I uncovered one big clue. Whenever you upgrade to FC3, the system attempts to install gcc-java (and does) which can screw up the workings of your Sun java considerably. Among other things, FC3 installs a /usr/bin/java script that points to the gcc-java code so when you type java -version it gives you a bunch of gcc output. If you disable the /usr/bin/java script, then it will revert back to the Sun java. However, doing that did not fix my problem. Jdeveloper still gives the same error I posted previously, as if it's searching for something in the classpath. Eclipse does something similar. Can anyone help me understand what I might need in the classpath for this to work again? Cyrus Cyrus Adkisson wrote: > Hi everybody. I use jDeveloper from Oracle to program, create GUIs and > manage my various projects. It's not open-source, but it's a very good > program. I have been using it without errors for at least a year. > Then, when I upgraded to Fedora Core 3, it was the only thing on my > computer that stopped working. When I click on the icon on my desktop, > nothing pops up, and top shows a massive load on the CPU for "jdev". > When I run it in a terminal window, I get the following error: > > java.lang.NoClassDefFoundError > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:141) > at oracle.ide.IdeCore.class$(IdeCore.java:89) > at oracle.ide.IdeCore.startupImpl(IdeCore.java:775) > at oracle.ide.Ide.startup(Ide.java:539) > at oracle.jdeveloper.JDeveloper.launch(JDeveloper.java:58) > at oracle.jdeveloper.JDeveloper.main(JDeveloper.java:37) > > I've got the same java SDK I had before, and the configuration files > are pointing to it. Can anybody think of why an upgrade to Fedora Core > 3 would be causing this error? > > Thanks, > Cyrus > -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list
