Question : Running Java applets on specific websites domain windows 2003 ent edition

HI all
I am running server 2003 ent edition domain, with XP prof clients.  On my domain I have a problem viewing some websites example:
http://www.colorado.edu/physics/2000/index.pl
Clients can see only blank windows in some ares of the page in which 'Java Applets' suppose to run: If I right click over those areas I copied the errors as:

Java(TM) Plug-in: Version 1.4.2
Using JRE version 1.4.2 Classic VM
User home directory = C:\Documents and Settings\username

Proxy Configuration: No proxy





----------------------------------------------------
c:   clear console window
f:   finalize objects on finalization queue
g:   garbage collect
h:   display this help message
l:   dump classloader list
m:   print memory usage
o:   trigger logging
p:   reload proxy configuration
q:   hide console
r:   reload policy configuration
s:   dump system properties
t:   dump thread list
v:   dump thread stack
x:   clear classloader cache
0-5: set trace level to
----------------------------------------------------
load: class physics2000/Physics2000.class not found.

java.lang.ClassNotFoundException: physics2000.Physics2000.class

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:195)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:562)

      at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:156)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:494)

      at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:599)

      at sun.applet.AppletPanel.createApplet(AppletPanel.java:675)

      at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1875)

      at sun.applet.AppletPanel.runLoader(AppletPanel.java:604)

      at sun.applet.AppletPanel.run(AppletPanel.java:333)

      at java.lang.Thread.run(Thread.java:568)

Caused by: java.io.IOException: open HTTP connection failed.

      at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:298)

      at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:76)

      at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:185)

      at java.security.AccessController.doPrivileged1(Native Method)

      at java.security.AccessController.doPrivileged(AccessController.java:389)

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:182)

      ... 9 more

load: class microwaves.PolarMoleculeApplet not found.

java.lang.ClassNotFoundException: microwaves.PolarMoleculeApplet

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:195)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:562)

      at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:156)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:494)

      at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:599)

      at sun.applet.AppletPanel.createApplet(AppletPanel.java:675)

      at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1875)

      at sun.applet.AppletPanel.runLoader(AppletPanel.java:604)

      at sun.applet.AppletPanel.run(AppletPanel.java:333)

      at java.lang.Thread.run(Thread.java:568)

Caused by: java.net.SocketException: Connection reset

      at java.net.SocketInputStream.read(SocketInputStream.java:195)

      at java.io.BufferedInputStream.fill(BufferedInputStream.java:200)

      at java.io.BufferedInputStream.read1(BufferedInputStream.java:239)

      at java.io.BufferedInputStream.read(BufferedInputStream.java:294)

      at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:784)

      at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:739)

      at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:749)

      at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:676)

      at sun.plugin.net.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:420)

      at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:304)

      at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:296)

      at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:76)

      at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:185)

      at java.security.AccessController.doPrivileged1(Native Method)

      at java.security.AccessController.doPrivileged(AccessController.java:389)

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:182)

      ... 9 more

load: class physics2000/Physics2000.class not found.

java.lang.ClassNotFoundException: physics2000.Physics2000.class

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:195)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:562)

      at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:156)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:494)

      at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:599)

      at sun.applet.AppletPanel.createApplet(AppletPanel.java:675)

      at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1875)

      at sun.applet.AppletPanel.runLoader(AppletPanel.java:604)

      at sun.applet.AppletPanel.run(AppletPanel.java:333)

      at java.lang.Thread.run(Thread.java:568)

Caused by: java.io.IOException: open HTTP connection failed.

      at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:298)

      at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:76)

      at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:185)

      at java.security.AccessController.doPrivileged1(Native Method)

      at java.security.AccessController.doPrivileged(AccessController.java:389)

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:182)

      ... 9 more

load: class physics2000/Physics2000.class not found.

java.lang.ClassNotFoundException: physics2000.Physics2000.class

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:195)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:562)

      at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:156)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:494)

      at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:599)

      at sun.applet.AppletPanel.createApplet(AppletPanel.java:675)

      at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1875)

      at sun.applet.AppletPanel.runLoader(AppletPanel.java:604)

      at sun.applet.AppletPanel.run(AppletPanel.java:333)

      at java.lang.Thread.run(Thread.java:568)

Caused by: java.io.IOException: open HTTP connection failed.

      at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:298)

      at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:76)

      at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:185)

      at java.security.AccessController.doPrivileged1(Native Method)

      at java.security.AccessController.doPrivileged(AccessController.java:389)

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:182)

      ... 9 more

load: class spectrum.Spectrum.class not found.

java.lang.ClassNotFoundException: spectrum.Spectrum.class

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:195)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:562)

      at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:156)

      at java.lang.ClassLoader.loadClass(ClassLoader.java:494)

      at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:599)

      at sun.applet.AppletPanel.createApplet(AppletPanel.java:675)

      at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1875)

      at sun.applet.AppletPanel.runLoader(AppletPanel.java:604)

      at sun.applet.AppletPanel.run(AppletPanel.java:333)

      at java.lang.Thread.run(Thread.java:568)

Caused by: java.io.IOException: open HTTP connection failed.

      at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:298)

      at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:76)

      at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:185)

      at java.security.AccessController.doPrivileged1(Native Method)

      at java.security.AccessController.doPrivileged(AccessController.java:389)

      at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:182)

      ... 9 more



I need help and I would like to run these types of websites for educational purposes.
Thanks
AM

Answer : Running Java applets on specific websites domain windows 2003 ent edition

You may find your firewall is configured to block class files if you're certain there's no proxy set for your network