[Issue 5607] Java Web Start fails with "Unable to launch the application"

http://argouml.tigris.org/issues/show_bug.cgi?id=5607






------- Additional comments from [email protected] Thu Mar 29 01:22:38 -0700 2012 -------
I think I also get this on Ubuntu 10.04 LTS, java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.13) (6b20-1.9.13-0ubuntu1~10.04.1).

ArgoUML's splashscreen is shown as expected, but the main window doesn't. In
~/.argouml/argouml.log there is the following stack trace:

2012-03-29 09:17:07,537 FATAL: Fatal error on startup.  ArgoUML failed to start
(Main.java:275)
java.lang.NullPointerException
	at java.lang.Class.isAssignableFrom(Native Method)
	at org.argouml.moduleloader.ModuleLoader2.addClass(ModuleLoader2.java:725)
	at org.argouml.moduleloader.ModuleLoader2.addClass(ModuleLoader2.java:688)
	at org.argouml.moduleloader.ModuleLoader2.huntForModules(ModuleLoader2.java:460)
	at org.argouml.moduleloader.ModuleLoader2.doInternal(ModuleLoader2.java:323)
	at org.argouml.moduleloader.ModuleLoader2.doLoad(ModuleLoader2.java:176)
	at org.argouml.moduleloader.InitModuleLoader.init(InitModuleLoader.java:69)
	at org.argouml.application.SubsystemUtility.initSubsystem(SubsystemUtility.java:63)
	at org.argouml.application.Main.initializeSubsystems(Main.java:458)
	at org.argouml.application.Main.main(Main.java:189)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:461)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:732)

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