Applet mit dem rotem Kreuz: Fehlmeldungen

Hallo,

beim Laden der Applet in IE bekomme ich nur noch Fehlermeldungen, leeres weißes Rechteck, zuvor aber mit Java-Symbol und roten dünnen Ladebalken. Danach erscheint oben link ein rotes Kreuz.

Wenn ich den IE schließe und nochmal öffne und die Applet lade, dann funktionniert es ohne problem.

Woran kann das liegen?

Mein systemeinstellungen:
Java Plug-in 1.5.0_02
Verwendung der JRE-Version 1.5.0_02 Java HotSpot™ Client VM

Die Fehlermeldung in der console sieht so aus:
java.lang.NullPointerException
at sun.plugin.util.GrayBoxPainter.paintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.repaintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.progressFinish(Unknown Source)
at sun.plugin.util.ProgressMonitor.unregisterSource(Unknown Source)
at sun.net.ProgressSource.finishTracking(Unknown Source)
at sun.net.[www.MeteredStream.close(Unknown](http://www.MeteredStream.close(Unknown) Source)
at sun.net.[www.MeteredStream.justRead(Unknown](http://www.MeteredStream.justRead(Unknown) Source)
at sun.net.[www.MeteredStream.read(Unknown](http://www.MeteredStream.read(Unknown) Source)
at java.io.FilterInputStream.read(Unknown Source)
at sun.net.[www.protocol.http.HttpURLConnection$HttpInputStream…](http://www.protocol.http.HttpURLConnection%24HttpInputStream.read(Unknown) Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at sun.applet.AppletClassLoader.getBytes(Unknown Source)
at sun.applet.AppletClassLoader.access$100(Unknown Source)
at sun.applet.AppletClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.applet.AppletClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.applet.AppletClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.applet.AppletClassLoader.loadCode(Unknown Source)
at sun.applet.AppletPanel.createApplet(Unknown Source)
at sun.plugin.AppletViewer.createApplet(Unknown Source)
at sun.applet.AppletPanel.runLoader(Unknown Source)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception in thread „Thread-4“ java.lang.NullPointerException
at sun.plugin.util.GrayBoxPanel.paint(Unknown Source)
at sun.plugin.util.GrayBoxPanel.setImage(Unknown Source)
at sun.plugin.util.GrayBoxPanel.setError(Unknown Source)
at sun.plugin.util.GrayBoxPainter.getGrayBoxPanel(Unknown Source)
at sun.plugin.util.GrayBoxPainter.paintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.repaintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
at sun.plugin.AppletViewer.showAppletException(Unknown Source)
at sun.applet.AppletPanel.runLoader(Unknown Source)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
at sun.plugin.util.GrayBoxPanel.paint(Unknown Source)
at sun.plugin.util.GrayBoxPainter.paintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.repaintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
at sun.plugin.AppletViewer.showAppletStatus(Unknown Source)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception in thread „thread applet-easyCam.class“ java.lang.NullPointerException
at sun.plugin.util.GrayBoxPanel.paint(Unknown Source)
at sun.plugin.util.GrayBoxPainter.paintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.repaintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
at sun.plugin.AppletViewer.showAppletException(Unknown Source)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception in thread „Thread-3“ java.lang.NullPointerException
at sun.plugin.util.GrayBoxPanel.paint(Unknown Source)
at sun.plugin.util.GrayBoxPainter.paintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.repaintGrayBox(Unknown Source)
at sun.plugin.util.GrayBoxPainter.access$000(Unknown Source)
at sun.plugin.util.GrayBoxPainter$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Gruss.
Hicham

Hallo,

beim Laden der Applet in IE bekomme ich nur noch
Fehlermeldungen, leeres weißes Rechteck, zuvor aber mit
Java-Symbol und roten dünnen Ladebalken. Danach erscheint oben
link ein rotes Kreuz.

typisches Java-Fehler-Bild

Wenn ich den IE schließe und nochmal öffne und die Applet
lade, dann funktionniert es ohne problem.

M$-Logik :wink:

java.lang.NullPointerException

sun.net.[www.protocol.http.HttpURLConnection$HttpInputStream…](http://www.protocol.http.HttpURLConnection%24HttpInputStream.read(Unknown)
Source)

die exception heisst, das ein erwartetetes Object nicht da war,
manchmal behebt ein Thread.sleep(100) das Problem