error while downloading applet

[Edson Alves Pereira]

        Hello folks, i�m using Apache-2.0 and Tomcat-4.1.18 in my redhat
Linux-2.4.18-14 with 
2sdk-1.4.1_01 that�s the features from it�s server. My web-application has
some applets to deal
with check-printers, when JavaPlugin try to download the applets it shows me
this error:

load: class iac.JChronos not found.

java.lang.ClassNotFoundException: iac.JChronos

        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)

Caused by: 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)

        ... 11 more

        For me it�s a security issue, but i don�t known what to do. Could
anyone tell me
what i must do to fix it?


        Regards,
        Edson Alves Pereira