Building Applications with Spring 5 and Vue.js 2

Application properties

In DefaultMailManager, we use @Value("${app.mail-from}") to assign the value of the app.mail-from property that we add in application.properties. The following figure shows that the app.mail-from property is added to the top of application.properties:

Figure 10.18: Wavy line under unrecognized property

You can see that there is a wavy line under app.mail-from. That is because there is no metadata available for this property, and VS Code is complaining about this and lists it in the Problems tab. Even though the application will still function normally, leaving it like this will create a tendency to ignore the problems ...