After the transformation has been completed, you will be prompted to switch to the Debug perspective. Click Yes. You can use the Java debugger to debug your files. Refer to the Java Development tools (JDT) debugger and Java Development User Guide online documentation for more information about working in the Debug perspective and using the Java debugger.
If you want to rerun the transformation and debugging at any time, you can open the Debug configuration dialog again (), select the configuration, and click Debug.