What do you know about weblogic classloading?

A classloader is part of JVM that loads classes into memory. Classloader is responsible for finding the classes at runtime.

Weblogic uses the following classloaders:

• Bootstrap classloader (JVM): Loads internal classes for JVM
• Extensions classloader (JVM): Loads JARs placed in the extensions directory
• Application classloader (WebLogic): Loads the EAR/WAR/EJB