WebSphere Application Server V6.1: Classloader Problem Determination
An IBM Redpaper publication
Note: This is publication is now archived. For reference only.
This paper walks you through the process of debugging common problems that might occur as a result of class loader problems.
This paper covers applications that run on WebSphere Application Server on distributed and i5/OS platforms.
Introduction to class loaders
Problem determination for class loader exceptions
ClassCastException
ClassNotFoundException
NoClassDefFoundError
NoSuchMethodError and IllegalArgumentException
UnsatisfiedLinkError
VerifyError
Configuring shared libraries
Using custom JAR files for your application
Collecting diagnostic data
The next step