Re: SkipPageException -- where?

From: John C. Bollinger (jobollin_at_indiana.edu)
Date: 03/17/05 

Date: Thu, 17 Mar 2005 17:33:48 -0500

debedb@gmail.com wrote:

> Hi all,
>
> So I was trying to look at the *_jsp.java sources created
> by Tomcat 5.0 (so I can step through them for debugging),
> and I couldn't compile those because they had SkipPageException,
> which was not in my compile-time classpath.
>
> Now, a search for it gave me a Javadoc page
> on sun.com:
> http://java.sun.com/j2ee/1.4/docs/api/javax/servlet/jsp/SkipPageException.html
> but it was nowhere to be found in any of the servlet.jar
> files around (maybe I am wrong and I have no servlet.jar
> from 1.4). I eventually found it in jsp-api.jar in
> common/lib of my tomcat installation.
>
> So the question is -- is it Tomcat's own extension (even
> though it's javax.servlet...) or it is a part of Sun's
> distribution?

It is a documented part of the JSP branch of the servlet API. The
implementation you found is provided by Tomcat, just like the rest of
Tomcat's implementation of the servlet API. In version 5 Tomcat broke
up its servlet API implementation among two (or is it three?) different
jars. Sun provides the specs and an API. Application servers provide
their own API implementations. 

-- 
John Bollinger
jobollin@indiana.edu

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