This week's book giveaway is in the Programmer Certification forum. We're giving away four copies of OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
You do not need an application server if Spring provides all the infrastructure services that you require for your application. If it does not, you can still use Spring inside an application server to take advantage of any of the framework features that may enhance productivity/maintainability.
Spring didn't set out to replace application servers. It just turned out that many applications didn�t really need an EJB container in the first place � and in other cases it was simply more productive to work against the Spring framework rather than the "naked" application server.
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