This blip is not on the current edition of the Radar. If it was on one of the last few editions it is likely that it is still relevant. If the blip is older it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the RadarUnderstand more
A decade ago when memory was at a premium, application servers made a lot of sense. They were popular and useful as a mechanism to run and manage multiple applications on a shared server or cluster. These days applications are more often run on separate physical or virtual servers and the need for an application server is reduced. Consider evaluating server / application container end-of-life within your organization, and only use one if you benefit from the added complexity.