• To: "Jeffrey Winter" <JeffreyWinter@c...>,<xml-dev@l...>
• Subject: Re: SAX Exception Handling
• From: "Karl Waclawek" <karl@w...>
• Date: Fri, 16 Jan 2004 14:21:26 -0500
• References: <3A9933B568A24543B6AD9E02C7E6ADA0024F3A5A@m...>

> Is there a standard way of informing all
> members of an XMLFilter chain that some
> member has thrown an Exception allowing
> all members to cleanup?
> 
> Given a chain of XMLFilters, some of which may
> perform transactional operations:
> 
>   a--->b--->c--->d--->e
> 
> If filter "c" throws an Exception, it
> will propagate back up the parent chain to
> "b" and "a" however, "d" and "e" would
> be unaware of the problem and not have an
> opportunity to rollback.

Some SAX parsers guarantee that EndDocument
will always be called. There was a thread
about that very issue recently on this list.

Karl

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