How JNDI works in WebLogic?

How JNDI works in WebLogic?

The JNDI binding for an object can appear in the JNDI tree for one WebLogic Server in the cluster, or it can be replicated to all the WebLogic Servers in the cluster. If the object of interest is bound in only one WebLogic Server, you must explicitly connect to the host WebLogic Server by setting the Context.

Which file is used for JNDI lookup?

A JAR file implementing JNDI, jndi. jar , is available with OC4J. Your application can take advantage of the JNDI API without having to provide any other libraries or JAR files.

What does lookup () do in JNDI?

lookup() is used to find the specified object in the given context. i.e., it looks for a single, specific object and either find it in the current context or it fails.

What is the use of JNDI DataSource?

A JNDI DataSource object is a file that contains the configuration details necessary to connect to a database. The DataSource object must be registered on a JNDI server, where it is identified using a JNDI name. You can register your DataSource object directly on your application server via its JNDI service.

What is JNDI in java with examples?

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. A basic example of a naming service is DNS which maps machine names to IP addresses.

Why Log4j uses JNDI lookup?

Overview. Apache Log4j allows insecure JNDI lookups that could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the vulnerable Java application using Log4j. CISA has published Apache Log4j Vulnerability Guidance and provides a Software List.

What is the use of JNDI lookup in Log4j?

Jndi Lookup The JndiLookup allows variables to be retrieved via JNDI. By default the key will be prefixed with java:comp/env/, however if the key contains a “:” no prefix will be added. Java’s JNDI module is not available on Android.