What is JNDI name in WebLogic?

The WebLogic Server JNDI Service Provider Interface (SPI) provides an InitialContext implementation that allows remote Java clients to connect to WebLogic Server. Enter that name in the JNDI Name attribute field when you create the object. When the object is loaded, JNDI provides a path to the object.

Where is JNDI name in WebLogic console?

1 Answer

1. Click the Servers node to expand it and expose the names of the servers currently being administered through the console.
2. Click the name of the server whose JNDI tree you want to view.
3. Scroll down to the bottom of the Configuration pane, and Click the “View JNDI Tree” link.

How do I find JNDI resources on WebLogic?

sql. DataSource) context. lookup(“java:comp/env/jdbc/myDataSource”); if the resource reference name is jdbc/myDataSource ). To avoid having to change your legacy code I think if you register the datasource with the name myDataSource (remove the jdbc/ ) you should be fine.

What is EJB in WebLogic?

You can create, modify, and deploy EJBs in one or more instance of WebLogic Server. You can set up your EJB deployment, and map EJB references to actual resource factories, roles, and other EJBs available on a server by editing the XML deployment descriptor files.

What is JNDI connection?

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. connecting a Java application to an external directory service (such as an address database or an LDAP server)

What is WebLogic JNDI WLInitialContextFactory?

The WLInitialContextFactory creates initial contexts for accessing the WebLogic naming service. It can also be used to create a multitier connection to another naming service through a WebLogic Server. INITIAL_CONTEXT_FACTORY, “weblogic. jndi.

What is 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. The main thing here is that in a JNDI directory you’re actually storing a JDBC DataSource, so, you’re simply using JDBC to obtain a Connection via JNDI lookup.

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 meant by Jndi?

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.

Can we deploy jar file in WebLogic?

To deploy the JAR file on WebLogic Server, you must extract the contents of the JAR file into a directory, add the required WebLogic-specific deployment descriptors and any generated container classes, and then create a new JAR file containing the old and new files.

How do I test EJB in WebLogic?

To test an EJB:

1. In the left pane of the Console, select Deployments.
2. In the Deployments table, select the EJB you want to test.
3. Select Testing.
4. In the Deployment Tests table, select the desired test point.

What kind of JNDI tree does WebLogic use?

Each WebLogic Server cluster is supported by a replicated cluster-wide JNDI tree that provides access to both replicated and pinned RMI and EJB objects.

What kind of descriptor is WebLogic-ejb-jar.xml?

In pre-9.0 releases of WebLogic Server, weblogic-ejb-jar.xml was Document Type Definition-based (DTD). For backward compatibility, WebLogic Server still supports XSD-based or DTD-based EJB descriptors; you can deploy applications that use DTD-based descriptors in WebLogic Server without modifying the descriptors.

How does the JNDI service provider interface work?

The WebLogic Server JNDI Service Provider Interface (SPI) provides an InitialContext implementation that allows remote Java clients to connect to WebLogic Server. The client can specify standard JNDI environment properties that identify a particular WebLogic Server deployment and related connection properties for logging in to WebLogic Server.

Which is the EJB 2.1 deployment descriptor file?

The EJB 2.1 elements in the weblogic-ejb-jar.xml file, the WebLogic-specific XML Schema-based (XSD) deployment descriptor file. Use these definitions to create the WebLogic-specific weblogic-ejb-jar.xml file that is part of your EJB deployment. In pre-9.0 releases of WebLogic Server, weblogic-ejb-jar.xml was Document Type Definition-based (DTD).