In reviewing the bugs coming in from users, it seems that several have
reported bugs when they really just had a CLASSPATH problem. Giving a
more useful error message in this case would be helpful and would
reduce the support load.

Here's an example error message in a bug report we received:

Uncaught exception of type
java.lang.NullPointerExceptionjava.lang.NoSuchMethodError
java.lang.System0 method getProperties()Ljava util Properties0 not
found at sun.applet.AppletViewer.main(AppletViewer.java0564)P