VM reaction to repeating call of defineClass() is not defined

Name: akC45999 Date: 12/01/98



The specification of java.lang.ClassLoader.DefineClass() (both in API and VM doc)
does not define which exception (if any) must be thrown when the attempt is made
to define a class which is already loaded.

In this case different JDK versions demonstrate different reactions:
1) JDK-116a throws ClassFormatError
2) JDK-1.2-U throws LinkageError

We know some licensees do not throw any exceptions and allow to rewrite
already loaded class.

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