What is InitialContext in Java with example?

What is InitialContext in Java with example?

public class InitialContext extends Object implements Context. This class is the starting context for performing naming operations. All naming operations are relative to a context. The initial context implements the Context interface and provides the starting point for resolution of names.

What is InitialContext in Java?

java.lang.Object | +–javax.naming.InitialContext Direct Known Subclasses: InitialDirContext public class InitialContext extends java.lang.Object implements Context. This class is the starting context for performing naming operations. All naming operations are relative to a context.

What is InitialContext in JMS?

The initial context is a reference to a JNDI namespace where objects like JMS Queues can be looked up. I wrote this tutorial some time ago, which you might find helpful. For a remote jboss server, there are 3 basic this should be (using the default port): java. naming.

Why JNDI is used in java?

The Java Naming and Directory Interface™ (JNDI) is an application programming interface (API) that provides naming and directory functionality to applications written using the Java™ programming language. It is defined to be independent of any specific directory service implementation.

What is simple JNDI?

Simple-JNDI is intended to solve two problems. The first is to test or use classes that depend on JNDI environment objects (most known a DataSource) provided by a Java EE container outside of such a container. Simple-JNDI’s JNDI implementation is entirely memory based. No server instance is started.

Why JNDI is used in Java?

How do I set datasource in Tomcat context XML?

This page tells you how to set up a SQL Server datasource connection for Confluence.

  1. Shut down Tomcat. Run bin/shutdown.sh or bin/shutdown.
  2. Install the SQL Server database driver. Download the SQL Server JDBC driver:
  3. Configure Tomcat. Edit the conf/server.
  4. Configure the Confluence web application.
  5. Restart Tomcat.

What is JNDI in Java with examples?

DataSources work hand-in-hand with the Java™ Naming and Directory Interface (JNDI). JNDI is a Java abstraction layer for directory services just as Java Database Connectivity (JDBC) is an abstraction layer for databases. The DataSource samples were designed using the JNDI file system service provider.

Where does the initialcontext come from in Java?

I believe the InitialContext is provided by the tomcat server. But when I try to call the same utility from a standalone Java program, the initContext object is null. How can I explicitly provide all the necessary properties that Context object is expecting.

When to not depend on the initialcontext constructor?

The application should not have any dependency on when the existence of an initial context is determined. When the environment property “java.naming.factory.initial” is non-null, the InitialContext constructor will attempt to create the initial context specified therein.

What are the subclasses of the initial context?

Direct Known Subclasses: InitialDirContext. public class InitialContext extends Object implements Context This class is the starting context for performing naming operations. All naming operations are relative to a context. The initial context implements the Context interface and provides the starting point for resolution of names.

How is the initial context related to the context interface?

All naming operations are relative to a context. The initial context implements the Context interface and provides the starting point for resolution of names.