Debugging web scripts

You have completed the development of your web scripts, deployed them successfully, and even registered your web scripts to the web script engine. Now, while testing the web script functionalities, you found that the logic you have included in the web script controller is not working as expected. Hence, your web scripts are failing to return the required response. The next thing you want to find out is what went wrong and why they are not working the way they should. It's now time to debug to identify the issue that will give you hints to fix the issue. We will now take a look at how to enable logging, how to remote debug at the server, and also some useful debugging techniques.

Enable logging

Enabling the logging feature would be of great help while debugging an issue. Let's understand how to use logging in the case of both Java- and JavaScript-backed web scripts. The most important file you should remember is the log4j.properties file, which is available at the tomcat...