Deployment descriptor
A deployment descriptor (DD) refers to a configuration file for an artifact that is deployed to some container/engine.
In the
enterprise application) should be deployed.[1] It directs a deployment tool to deploy a module or application with specific container options, security settings and describes specific configuration requirements. XML
is used for the syntax of these deployment descriptor files.
For web applications, the deployment descriptor must be called web.xml and must reside in the WEB-INF directory in the web application root. For Java EE applications, the deployment descriptor must be named application.xml and must be placed directly in the META-INF directory at the top level of the application .ear file.
Types
In Java EE, there are two types of deployment descriptors: "Java EE deployment descriptors" and "runtime deployment descriptors".Sun GlassFish Enterprise Server implementation.[3]
References
- ^ a b "The Java EE 5 Tutorial: Packaging Applications", retrieved 2010-07-13
- ^ "Java EE : XML Schemas for Java EE Deployment Descriptors", retrieved 2010-07-13
- ^ "Sun Java System Application Server Descriptors"[permanent dead link], retrieved 2010-07-13
External links
- http://java.sun.com/javaee/reference/glossary/
- http://java.sun.com/xml/ns/javaee/index.html - Deployment Descriptor XML Schema Reference
- (dead) http://java.sun.com/blueprints/guidelines/designing_enterprise_applications_2e/deployment/deployment5.html