java.lang.NoClassDefFoundError: java.awt.Conteneur

Je suis en train d'installer Visual Paradigm for UML. Au cours de l'installation, il se bloque. C'est la trace de la pile:

Unpacking JRE ...
Preparing JRE ...
Starting Installer ...
java.lang.NoClassDefFoundError: java.awt.Container
at com.install4j.runtime.installer.frontend.headless.AbstractHeadlessScreenExecutor.init(Unknown Source)
at com.install4j.runtime.installer.frontend.headless.ConsoleScreenExecutor.<init>(Unknown Source)
at com.install4j.runtime.installer.frontend.headless.InstallerConsoleScreenExecutor.<init>(Unknown Source)
at com.install4j.runtime.installer.Installer.getScreenExecutor(Unknown Source)
at com.install4j.runtime.installer.Installer.runInProcess(Unknown Source)
at com.install4j.runtime.installer.Installer.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.install4j.runtime.launcher.Launcher.main(Unknown Source)
java.lang.NoClassDefFoundError: java.awt.Component
at javax.swing.ImageIcon.<clinit>(Unknown Source)
at com.install4j.runtime.installer.frontend.GUIHelper.loadIcon(Unknown Source)
at com.install4j.runtime.installer.frontend.GUIHelper.<clinit>(Unknown Source)
at com.install4j.runtime.installer.helper.InstallerUtil.reportException(Unknown Source)
at com.install4j.runtime.installer.Installer.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.install4j.runtime.launcher.Launcher.main(Unknown Source)

Il semble que le programme d'installation ne peut pas trouver une classe dans le WT de la bibliothèque. Je ne vois pas comment faire qui peut être possible. Personne ne sait quelle en est la cause, et comment je peux résoudre ce problème?

[Informations Système]

java version "1.6.0_24"
OpenJDK Runtime Environment (IcedTea6 1.11.5) (6b24-1.11.5-0ubuntu1~12.04.1)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)