WebSphere Application Server V6.1: Classloader Problem Determination

An IBM Redpaper publication

Note: This is publication is now archived. For reference only.

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Published on July 23, 2007

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IBM Form #: REDP-4307-00


Authors: Jasper Chui

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    Abstract

    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.

    Table of Contents

    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

     

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