The problem Sometimes there are situations on which you have an application and you need to run multiple instances of it, however there is some particular task (or set of tasks) that you would like only one instance to execute.…
On a previous post we revised how to use @Qualifier and how it allows you to disambiguate what Bean to inject, when there are several candidates. However, that is not the the only way you can tell Spring which candidate…
The usage of @Qualifier is quite simple, although people not always get it right. Lets quickly recap when to use and when it is unnecessary. Single Candidate If you are trying to inject a Bean and you only have a…
