The Java Naming and Directory Interface (JNDI) is a Java API for a directory service that allows Java software clients to discover and look up data and resources (in the form of Java objects) via a name. Like all Java APIs that interface with host systems, JNDI is independent of the underlying implementation.Similarly one may ask, what is the purpose of JNDI?
JNDI is an API used to access the directory and naming services (i.e. the means by which names are associated with objects). The association of a name with an object is called a binding.
Also Know, what is a JNDI name? A JNDI name is a user-friendly name for an object. These names are bound to their objects by the naming and directory service that is provided by a J2SE server. Because J2SE components access this service through the JNDI API, an object's user-friendly name is its JNDI name.
Also know, what is the difference between JNDI and JDBC?
Well these are two different things. JDBC is Java Database Connectivity API, while JNDI is Java Naming and Directory Interface API. In short words: JDBC is Database realm, JNDI lets you store Objects in a virtual context (the Directory) that can be local, remote (implementation details usually don't matters).
What is JNDI authentication explain with the help of an example?
jndi-example is the sample app that demonstrate how to integration the naming/directory services into your application. In the example I have connected filesystem as well as LDAP. Such information are specific to JNDI provider. You can serve these environment information using Properties or HashTable.
What is JNDI in Tomcat?
Tomcat provides a JNDI InitialContext implementation instance for each web application running under it, in a manner that is compatible with those provided by a Java Enterprise Edition application server. The Java EE standard provides a standard set of elements in the /WEB-INF/web.What is JDBC connection?
Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. A JDBC-to-ODBC bridge enables connections to any ODBC-accessible data source in the Java virtual machine (JVM) host environment.What is JNDI authentication?
The following JNDI properties provide security information: java. naming. security. authentication is set to a String to define the authentication mechanism used (one of none, simple, or the name of an SASL authentication system supported by the LDAP server).How is Jndi implemented in Java?
There three steps to configure and run JNDI Datasource Connection pool for any Java Web application: - Configure data source in Server and create JNDI name.
- Configure web.xml.
- Configure Spring bean with JNDI Datasource.
- Include JDBC driver library on Server lib e.g. tomcat/lib.
What is JNDI WebLogic?
The WebLogic Server JNDI Service Provider Interface (SPI) provides an InitialContext implementation that allows remote Java clients to connect to WebLogic Server.What is JMS JNDI?
The Java™ Naming and Directory Interface (JNDI) API enables JMS clients to look up configured JMS objects. By delegating all the provider-specific work to administrative tasks for creating and configuring these objects, the clients can be completely portable between environments.What is a DataSource in Java?
An alternative to the DriverManager facility, a DataSource object is the preferred means of getting a connection. An object that implements the DataSource interface will typically be registered with a naming service based on the JavaTM Naming and Directory (JNDI) API.What is JNDI DataSource in Java?
JNDI allows distributed applications to look up services in an abstract, resource-independent way. When it is used? The most common use case is to set up a database connection pool on a Java EE application server.Why do we use JNDI?
it is used by EJB to find remote objects. JNDI is designed to provide a common interface to access existing services like DNS, NDS, LDAP, CORBA and RMI. When it is used? You can use the JNDI to perform naming operations, including read operations and operations for updating the namespace.What is JNDI and how it works?
The Java Naming and Directory Interface (JNDI) is a Java API for a directory service that allows Java software clients to discover and look up data and resources (in the form of Java objects) via a name. Like all Java APIs that interface with host systems, JNDI is independent of the underlying implementation.What is JNDI DataSource in Tomcat?
Tomcat DataSource JNDI. Actual benefit of DataSource comes when we use it with a JNDI Context. For example, connection pool in a web application deployed in a servlet container. Most of the popular servlet containers provide built-in support for DataSource through Resource configuration and JNDI context.What is InitialContext?
The javax.naming.InitialContext class implements the Context interface and serves as our entry point to a naming system. To use JNDI to access objects in a naming system, you must first create an InitialContextobject.What is connection pool in JDBC?
Connection pooling means that connections are reused rather than created each time a connection is requested. To facilitate connection reuse, a memory cache of database connections, called a connection pool, is maintained by a connection pooling module as a layer on top of any standard JDBC driver product.What is JDBC data source?
JDBC DataSource is an interface of package javax. sql. DataSource. This interface is mostly preferred over DriverManager class because it allows the detail about database to your application program. DataSource object increases the application portability .What is JNDI name in WebSphere?
The JavaTMNaming and Directory Interface (JNDI) is an API that provides access to naming and directory services. Many Java applications use JNDI to locate resources such as datasources and Enterprise JavaBeans (EJBs) registered in the naming service of a Java 2 Enterprise Edition (J2EE) server.How can I know my JNDI name?
There is no JNDI name in your code. This is how you look up EJBs in EJB 2.0: Object ejbHome = initialContext. lookup("java:comp/env/com/mycorp/MyEJB"); MyHome myHome = (MyHome)javax.Where are JNDI names stored?
The names of system-provided objects, such as JTA UserTransaction objects, are stored in the environment naming context java:comp/env. The Java EE platform allows a component to name user-defined objects, such as enterprise beans, environment entries, JDBC DataSource objects, and message connections. 
