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[rajhanschinmay <440841@xxxxxxxxxxxxxxxxxx>]

I am getting very similar error when I tried running any website
containing/requiring JAVA using firefox or seamonkey browser on Ubuntu
10.04 32 bit OS.

It says this:

java version "1.6.0_18"
OpenJDK Runtime Environment (IcedTea6 1.8.1) (6b18-1.8.1-0ubuntu1)
OpenJDK Client VM (build 16.0-b13, mixed mode, sharing)
File cannot be launched because offline-allowed tag not specified and system currently offline.
java.lang.NullPointerException
        at net.sourceforge.jnlp.NetxPanel.runLoader(NetxPanel.java:99)
        at sun.applet.AppletPanel.run(AppletPanel.java:380)
        at java.lang.Thread.run(Thread.java:636)
java.lang.NullPointerException
        at sun.applet.AppletPanel.run(AppletPanel.java:430)
        at java.lang.Thread.run(Thread.java:636)
java.lang.Exception: Applet initialization timeout
        at sun.applet.PluginAppletViewer.handleMessage(PluginAppletViewer.java:637)
        at sun.applet.PluginStreamHandler.handleMessage(PluginStreamHandler.java:270)
        at sun.applet.PluginMessageHandlerWorker.run(PluginMessageHandlerWorker.java:82)
java.lang.RuntimeException: Failed to handle message: handle 8394350 for instance 1
        at sun.applet.PluginAppletViewer.handleMessage(PluginAppletViewer.java:660)
        at sun.applet.PluginStreamHandler.handleMessage(PluginStreamHandler.java:270)
        at sun.applet.PluginMessageHandlerWorker.run(PluginMessageHandlerWorker.java:82)
Caused by: java.lang.Exception: Applet initialization timeout
        at sun.applet.PluginAppletViewer.handleMessage(PluginAppletViewer.java:637)
        ... 2 more
Error: Unable to fetch applet instance id from Java side.


I removed Java, downloaded jre again and then reinstalled it.
But error is still there.kindly let me know possible solutions.

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You received this bug notification because you are a member of OpenJDK,
which is subscribed to openjdk-6 in ubuntu.
https://bugs.launchpad.net/bugs/440841

Title:
  IcedTea Plugin Dont work APPLET

Status in OpenJDK:
  Fix Released
Status in “openjdk-6” package in Ubuntu:
  Fix Released

Bug description:
  Installed icedtea6-plugin and openjdk6 with firefox 3.0.14 on ubuntu jaunty. All main pkgs (supported).

Icedtea dont load/runs/works with applets. One example are geogebra applet.
Trying to load any applets from this page would fail. http://www.slu.edu/classes/maymk/GeoGebra/

One applet that fail:
http://www.slu.edu/classes/maymk/GeoGebra/SecantToTangent.html

Tried on other pc with sun-java6-jdk/plugin and worked perfectly.