Java Run Java Applet on Website: Troubleshooting Guide

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Running the Java applet from the specified website is hindered by Java's security settings, despite adding the site as an exception in the Java control panel. To bypass this issue, users can download the applet's source code and execute it locally. One option is to use the applet viewer command, which is detailed in Oracle's documentation. Additionally, there are suggestions to convert the applet into a Java application, although the provided code may be outdated. Another alternative is to install the Java applet plugin in the browser to enable applet execution directly.
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I'm trying to run this java applet on this website: http://astro.u-strasbg.fr/~koppen/discharge/discharge.html

But the security settings in java doesn't allow it. I have added the website as exception in the java control panel, but it is still being blocked.

How to run this java applet?
 
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You could download the source and run it directly on your machine. I think there is a command to run Java applets or you could modify it into a java application and it it that way.

Try the applet viewer command:

https://docs.oracle.com/javase/10/tools/appletviewer.htm#JSWOR612
Here’s some code that might work to convert it to a java application but it may be too old or deprecated.

http://ecomputernotes.com/java/awt-and-applets/appletfromcommandline
Alternatively, you could install the Java applet plugin into your browser.
 

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