CDI – “Contexts and Dependency Injection” – is a powerful framework of the Java EE standard, which realizes important software design principles including loose coupling and the programming paradigm of aspect-oriented programming, made possible by interceptors intervening in method invocations. CDI has remarkable mechanisms that run in the background and allow comfortable use of such … [Read more…]
Currently we are developing a new JEE application that amongst others makes use of CDI and JSF. The application runs on a Jetty server where Weld 2.2.1.Final was added as CDI-implementation and Mojarra 2.2.6 as JSF-implementation. A while ago we noticed that sometimes the server halted without any obvious reason. It did not crash but … [Read more…]
Die Scopes haben in den letzten Updates der Spezifikationen von JavaServer Faces (JSF) und Contexts and Dependency Injection (CDI) weitreichende Änderungen erfahren. Mit der JSF 1.0 Spezifikation standen lediglich vier Scopes zur Verfügung: None, Request, Session und Application. Besonders zwischen dem kurzen Request Scope, der an einen einzelnen http Request/Response Zyklus gebunden ist und dem … [Read more…]