Signed jar installed and Archive, but class not found

I have created an applet with needs access to system resources, therefor I had to create and sign a jar file. The jar must installed on the client for performance reasons. Another part of the applet must still loaded from the server, so I used the archive tag. But in spite of the fact that the class files are in the installed jar, is isn't found.
The HTML code I use for calling the applet is :
<applet codebase="/eCommunity/"
     code=EcmRoom.STMeetingApplet
     name=eCommunity
     width=600 height=400
     archive="STMRCPACSupport.jar"
     VIEWASTEXT
     MAYSCRIPT>
</applet>
The code class resides in the installed JAR, but can't be found.
If anyone can tell what I am missing in the code, please tell me. My gratitude will be great!
Ron Maarschalkerweerd (a beginner in Java)

Good god, how did you dig this up? Call it a hunch, but I doubt he'll respond. ;)

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