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From Danny Coward <>
Subject Re: RequestDispatcher and exceptions
Date Tue, 06 Feb 2001 00:54:04 GMT

>Section 8.5 in 2.3 PFD says:
>"Only runtime exceptions and checked exceptions of type ServletException
>and IOException should be propagated ... if thrown by the target of
>RequestDispatcher. All other exceptions should be wrapped ... "
>My understanding of this is that NullPointerException should be
>propagated, not wrapped, same for security and any other RuntimeException.

Yes - and the same requirement is in the 2.2 version as well - that exceptions 
inheriting from RuntimeException should be popped up to the caller.

- Danny

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