NexJ system architecture and deployment overview The following topics provide an overview of the NexJ solution architecture of a deployed NexJ solution. NexJ system architecture overviewThe deployed NexJ solution consists of four interactive layers.NexJ deployment overviewThe NexJ solution is deployed on a Java EE container, such as JBoss Application Server, WebSphere Application Server, or NexJ Server. It requires a relational database to store both NexJ metadata and client data.Parent topic: Deployment Guide