I have projects which has a war file in it, but unable to add web modules in it. I have installed the plugin in my STS 4, plugin name - Eclipse Java EE Developer Tools 3.13. I have refered the below question How to add web project module in existing java project in eclipse added the project facet but still not able too add Web Module, below is the screenshot.
Can anyone please help on what I missed.
You can add other modules by right clicking the project and go to "Spring" and then "Edit Starters". Bingo.enter image description here