[Lexicog] RE: Kirrkirr and Shoebox/Toolbox

[Christopher Manning]

On 3 August 2004, Kenneth Keyes <ken_keyes at sil.org> wrote:
 >
 > Wayne, et al,
 >
 > I downloaded Kirrkirr today and installed and tried it. But I get the
 > following error message when I try starting it:
 >
 > Fatal Application Error: Unable to launch Java Application: Unable to locate
 > the application's 'main' class. The class 'Kirrkirr.Kirrkirr" must be public
 > and have a 'public static void main (String)' method. (LAX) Details as
 > follows:
 >
 > java.lang.NoClassDefFoundError: javax/swing/JPanel
 > 	at java/lang/Class.forName
 > 	at com/zerog/lax/LAX.launch
 > 	at com/zerog/lax/LAX.main
 >
 > Maybe I did something wrong, but I am using the Java Virtual Machine from
 > the latest MS Updates, and so didn't download the whole package.
 >
 > Ken

Hi Ken,

I'd encourage you to try again, by downloading the whole package (which
includes a Sun Java Virtual Machine), or else to separately install a
current Sun JVM.  Things should work then.

In more detail (which most people might want to skip!): I admit that
I've never tried to run Kirrkirr using MS Java.  I probably should try
that.  I don't know a reason why it shouldn't work, but as you may be
aware there was for a long time a rancorous situation over Sun being
unhappy with incompatibilities introduced into Microsoft JVMs.  I'm not
quite sure to what extent those issues are now resolved.  At any rate,
this unfriendly error message is coming from the InstallAnywhere
launcher (which we use to package Kirrkirr as an application) failing to
launch, because it's not finding the standard Java GUI classes (in
particular, JPanel) -- which suggests some fairly fundamental problem
with the Java installation and/or InstallAnywhere being able to work
with it.  At the point at which this error is occurring, the Kirrkirr
program, sensu stricto, hasn't actually started running....

Best,

Chris.



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