JApplet läuft im Web aber nicht lokal?!?

[Daniel]

In der Java-Konsole erhalte ich lokal auch diesen Fehler:

Java(TM) Plug-in: Version 1.4.2_03
Verwendung der JRE-Version 1.4.2_03 Java HotSpot(TM) Client VM

Proxy-Konfiguration:Kein Proxy

java.lang.IllegalArgumentException

at sun.net.www.ParseUtil.decode(Unknown Source)

at sun.net.www.protocol.file.Handler.openConnection(Unknown Source)

at java.net.URL.openConnection(Unknown Source)

at sun.applet.AppletPanel.getAccessControlContext(Unknown Source)

at sun.applet.AppletPanel.getClassLoader(Unknown Source)

at sun.applet.AppletPanel.createAppletThread(Unknown Source)

at sun.applet.AppletPanel.init(Unknown Source)

at sun.plugin.AppletViewer.appletInit(Unknown Source)

at sun.plugin.viewer.LifeCycleManager.initAppletPanel(Unknown Source)

at sun.plugin.viewer.IExplorerPluginObject$Initer.run(Unknown Source)