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My applet is not being seen in its jar anymore. Please help!

 
Greenhorn
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Hello!

I have been trying to make this example work (example link). And I had succeded at a moment. This is an applet, SWTInBrowser, that should show three buttons: one awt, one Swing and one SWT.
If I just run it with the Applet Viewer, I get all the three buttons, because the program knows where to find the external library. Then I put the applet in a jar, created an HTML file and ran it in FireFox and IE and I only got the AWT button and Swing button, because the swt.jar is external and I received the access denied error.
Then I followed step by step what the author of the article in the link sugested, but it didn't work. I tried to come back to what I had before, but now it doesn't wprk anymore, I keep getting the fileNotFound error, he can't see the applet in the jar.
Here is the HTML file, which is in the same folder with the applet's jar.



I have no idea what to do next. Can you please help me?
 
Marshal
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In your browser, make sure that both the following links return a file:

http://yourhost/MyApplet.jar



http://yourhost/org.eclipse.swt.win32.win32.x86_3.4.1.v3452b.jar



If you get a "404 Not Found" error for the second one, then you didn't put it in the right place for your web server to respond to requests for it.
 
Alexandra Niculai
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When I put in the browser the jars' addresses, I get the option of downloading the file or opening the file. Is that OK?
 
Rancher
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Are there any error messages in the Java Console?
 
Alexandra Niculai
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Yes, but I don't get the same error all the time, even if the application stays the same(I don't understand that either).



Or, this error:

 
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