Re: Problem running Java code

[Benjamin Black <bhb8@columbia.edu>]

Kenward Vaughan wrote:

> Sorry for what may be a trivial ?? for the Java-folks, but I'm not one
> myself... yet.  I DL'd a package called jchempaint for my chemistry classes
> which is a java app.  I installed java-common and kaffe, believing that to
> be what was need to run the program.  But when I try it, I get:
>
>   daddy:~# jchempaint
>   java.lang.NoClassDefFoundError: javax/swing/JPanel
> 	at java.lang.Class.forName(Class.java:native)
> 	at java.lang.Class.forName(Class.java:52)
> 	at kaffe.jar.ExecJarName.main(ExecJarName.java:58)
> 	at kaffe.jar.ExecJar.main(ExecJar.java:59)
>
>
> Am I doing something obviously wrong, or missing a package?

you're trying to use an app that uses the Sun Java Foundation Classes 
(JFC).  these are not free.  see the [0]blackdown project page for 
information on downloading the "official" Java2 SDK for Linux.

/ben

[0] http://www.blackdown.org

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