February 2015
Intermediate to advanced
178 pages
3h 47m
English
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Configuring Spring profiles
Spring 3.1 introduced a feature called profiles. Profiles allow you to build one package that can be deployed in all environments, such as dev, test, prod, perf, and so on.
If we define a system property, spring.profiles.active, or annotate a test class with @ActiveProfiles and set the active profile names, Spring loads the beans from the context where the profile name matches or no profile name is defined. We can create different beans depending on the profile name using an XML configuration or the @Profile annotation.
Suppose you have a dev environment and a prod environment; you use a JNDI lookup for DataSource in prod, but in dev, you build DataSource, as in the following snippet:
<jee:jndi-lookup id="common-Datasource" ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.