The deployment descriptor is
the file used by the servlet container to define which servlets match up with which URLs
. It also defines which servlet or resource provides the landing page for the root of the service.
What is deployment descriptor in spring?
xml, also known as deployment descriptor, is traditionally
used as a configuration file for Java web applications
. It defines servlets, their mappings, servlet filters, lifecycle listeners and more. Originally it was the only way to provide such configuration.
What is deployment descriptor?
A deployment descriptor (DD) refers
to a configuration file for an artifact that is deployed to some container/engine
. In the Java Platform, Enterprise Edition, a deployment descriptor describes how a component, module or application (such as a web application or enterprise application) should be deployed.
Which of the following language is used in the web application deployment descriptor?
For web applications written using the Java programming language, the web application deployment descriptor is written using the
EXtensible Markup Language (XML) syntax
. The web application deployment descriptor is named web.
What is deployment descriptor in eclipse?
Deployment descriptors are
configuration files that are associated with projects and are deployed with J2EE applications
. … Deployment descriptors are XML files that can be created and edited as source files, but for most descriptor types JDeveloper provides dialogs that can be used to inspect and set properties.
Why do we need deployment descriptor?
Java web applications use a deployment descriptor file
to determine how URLs map to servlets, which URLs require authentication, and other information
. This file is named web. xml , and resides in the app’s WAR under the WEB-INF/ directory.
What is the purpose of the deployment descriptor DD?
A deployment descriptor (DD) refers to a configuration file for an artifact that is deployed to some container/engine. It
directs a deployment tool to deploy a module or application with specific container options, security settings and describes specific configuration requirements
.
What is bean in spring?
A bean is
an object that is instantiated, assembled, and otherwise managed by a Spring IoC container
. … These beans are created with the configuration metadata that you supply to the container.
What is AbstractAnnotationConfigDispatcherServletInitializer?
All Implemented Interfaces: WebApplicationInitializer. public abstract class AbstractAnnotationConfigDispatcherServletInitializer extends AbstractDispatcherServletInitializer. WebApplicationInitializer
to register a DispatcherServlet and use Java-based Spring configuration
.
What is bean life cycle in spring?
Bean life cycle is managed by
the spring container
. When we run the program then, first of all, the spring container gets started. After that, the container creates the instance of a bean as per the request, and then dependencies are injected. And finally, the bean is destroyed when the spring container is closed.
Which JSP life cycle is in the correct order?
Which one is the correct order of phases in JSP life cycle? Explanation: The correct order is
Compilation, Initialization, Execution, Cleanup
.
What is ServletConfig?
ServletConfig is
an object containing some initial parameters or configuration information created by Servlet Container and passed to the servlet during initialization
. ServletConfig is for a particular servlet, that means one should store servlet specific information in web. xml and retrieve them using this object.
Which method is called when client request come?
The web server calls
the service() method
to handle requests coming from the client( web browsers) and to send response back to the client. This method determines the type of Http request (GET, POST, PUT, DELETE, etc.) . This method also calls various other methods such as doGet(), doPost(), doPut(), doDelete(), etc.
What is called deployment?
Deployment is
the mechanism through which applications, modules, updates, and patches are delivered from developers to users
.
How do I create a deployment descriptor stub?
However, you can generate a deployment descriptor stub.
Right-click your project and select Java EE > Generate Deployment Descriptor
Stub.
Where we can put jar file?
You can add a jar file in Eclipse by: right-clicking on the Project → Build Path → Configure Build Path.
Under Libraries tab
, click Add Jars or Add External JARs and give the Jar.
