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Java webstart decompiler

Is there a way to decompile a Java WebStart application?

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Run the application, then select the JAR from the web center cache. Continue decompiling as you would with any other Java application.



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Yes there is. Java Webstart application is just one form of deployment. The result is a bunch of banners copied to the users home directory. They can of course be decompiled with jad for example .



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Just rename the files with the .jar extension :)

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JNLP are plain text files interpreted by J2Plauncher. You can open it in your favorite text editor and look for two things: codebase

and resources

.

Codebase is the base url from which everything is loaded into resources

. Meanwhile in resources, every jar field has a value href

. You can add this to the base url to download the specific jar resource you need. This is followed by a regular jar decompilation process.

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