Icedtea-web plugin: Serious exception occurred

[piruthiviraj natarajan]

I am using Fedora 19 with firefox and google-chrome browser with
Icedtea-web plugin for java applets execution.

Currently I am not able to see this
(http://www.formula1.com/live_timing/live_timing.html) website which
requires Icedtea-web and I encounter this error while trying to load
the applet.
The site works well on Fedora 18.

The folloing exception has occured. For more information, try to
launch the browser from the command line and examine the output.
For even more information you can visit
http://icedtea.classpath.org/wiki/IcedTea-Web and follow the steps
described there on how to obtain necessary information to file bug

Another available info:
IcedTea-Web Plugin version: 1.4 (fedora-0.fc19-x86_64)
 5/27/13 8:37 PM
Exception was:
net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error:
Could not initialize applet. For more information click "more
information button".
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:789)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:717)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:969)
Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Application
Error: Unknown Main-Class. Could not determine the main class for this
application.
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:708)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader. (JNLPClassLoader.java:249)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:382)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:444)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:420)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:755)
	... 2 more
This is the list of exceptions that occurred launching your applet.
Please note, those exceptions can originate from multiple applets. For
a helpful bug report, be sure to run only one applet.
1) at 5/27/13 8:37 PM
net.sourceforge.jnlp.LaunchException: Fatal: Application Error:
Unknown Main-Class. Could not determine the main class for this
application.
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:708)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader. (JNLPClassLoader.java:249)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:382)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:444)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:420)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:755)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:717)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:969)
2) at 5/27/13 8:37 PM
net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error:
Could not initialize applet. For more information click "more
information button".
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:789)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:717)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:969)
Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Application
Error: Unknown Main-Class. Could not determine the main class for this
application.
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:708)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader. (JNLPClassLoader.java:249)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:382)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:444)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:420)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:755)
	... 2 more