Java application profiling / tracking

I have a closed source Java application for which vendor has provided APIs for customization. As I have no other documents, i rely completely on the API's javadoc.

I want to trace what methods are actually called in different classes for a particular use case. Is there a开发者_开发技巧ny way to do that with eclipse?

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Most profilers (like YourKit and JProfiler) support Eclipse integration.

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JadClipse is a plug-in that allows you to decompile classes using jad, decompilation is available at the time of debugging.

There are some limitations, jad doesn't support java-5, and try catch functions don't always align nicely, but it can give you a good idea of whats going on inside.

See this thread too is-jad-the-best-java-decompiler

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You need to use eclipse TPTP (http://www.eclipse.org/tptp/)

Personally I would use VisualVM or Netbeans profiler if possible

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Java Decompiler has an Eclipse plugin, supporting Java 6, and works pretty well to decompile source and see what's inside the class files while debugging.