Raja Seth:
I have a requirement in which I need to add my custom my code inside tomcat-7.0.42\webapps\ROOT\html\js\liferay\ddm_repeatable_fields.js
First of all, this is not a requirement. This is the solution that you came up with to implement the underlying requirement that you had. And obviously the solution has a few shortcomings. You're probably using a JSP-Hook to update these JS resources. Now the JSP hook is not a JS hook and Liferay bundles, combines, minifies JS resources and caches these minified results - this is what you see delivered after you've deployed your hook. You should have some success with the settings from portal-developer.properties or by adding ?strip=0 to your URLs - these are good for testing, but not for production.
Luckily you've already found the procedures to fully deploy your changes to production - and obviously they're not fun. But as Liferay does not have a JS hook, let's look at the alternatives: You can write an ext-plugin (this would require a restart as well) and you can add the required JS code to your theme (if you can just add it). In your theme it doesn't require a restart. You could also update portal-ext.properties and update the
barebones and everything properties with additional code. Again, this would require a restart.
Which one do I recommend? As I don't know your requirements (remember: What you described is not a requirement) I can't decide for one.
