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connection problem

 
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i have a problem connecting from a client machine to the server. if i connect from another machine that is setup as a serever to the server there is no problems at all. this is what i get.....
load: class lat1.Admin.GUI.GridDisplay.class not found
java.lang.ClassNotFoundException: java.io.IOException: open HTTP connection failed.
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 sun.plugin.security.PluginClassLoader.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)
 
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have you tried to telnet to port 80 on the server to determine whether you have a java or network problem?
 
Tys Seyffert
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Thank you John,
I came right thanks. The problem was that the jar file had security setting on it.
 
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