#38 Violet cannot start with GCJ Java

[Anonymous]

Violet UML Editor cannot start with GCJ Java (4.3.1-1ubuntu2) in Ubuntu 8.10.
user@computer:~$ java --version
java version "1.5.0"
gij (GNU libgcj) version 4.3.2

The error message is as follows:
user@computer:~$ violet
Exception in thread "main" java.lang.RuntimeException: Before invoking showDialog, you must call setDialogOwner() to defile the dialog owner
at com.horstmann.violet.framework.gui.DialogFactory.createDialog(DialogFactory.java:178)
at com.horstmann.violet.framework.gui.DialogFactory.showDialog(DialogFactory.java:159)
at com.horstmann.violet.framework.util.VersionChecker.check(VersionChecker.java:68)
at com.horstmann.violet.UMLEditor.createWorkspace(UMLEditor.java:174)
at com.horstmann.violet.UMLEditor.main(UMLEditor.java:102)