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2 Replies Latest reply: Sep 22, 2010 3:15 AM by EJP RSS

Finding out which jars are needed

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I am using an open source library. I am only using a fraction of its functionality, and the library is huge (it drags in many other JARs from other OS projects). This is making my install file very large, and I need to cut it down.

If I take just the parts of the library I am actually using, is there any way to find out which of the other JAR files are still being used? It seems that a missing JAR at runtime might not be detected when the program runs up (is that correct?) but might result in a runtime error later on when Java tries to load the library.

Is there a more methodical way of doing this than just removing various JARs and checking if it still works?