O'Reilly Struts book missing info (Tiles)

[Thad Humphries <th...@mindwrap.com>]

In case this helps some people, yesterday I stumbled on a missing bit of 
necessary information in the otherwise very good book, "Programming with 
Jakarta Struts," by Chuck Cavaness (Nov 2002 printing):   Chapter 14, 'Using 
Tiles', fails to explain the TilesRequestProcessor.  I can find no mention of 
this class in the book whatsoever.  Thus the book fails to explain the need 
for the developer to extend this class (vs. extending the RequestProcessor 
class) when using a custom request processor and Tiles.  When I encountered 
this, the error seen in the browser didn't give me a clue as to the problem.  
Only reading Tomcat's catalina.out file did I find one line saying to the 
effect that the given request processor was not a TilesRequestProcessor.  I 
confirmed this reading section 2.1.2, 'Enabling Definitions', in "Tiles 
Advanced Features" (http://www.lifl.fr/~dumoulin/tiles/
tilesAdvancedFeatures.pdf) by Cedric Dumoulin.

Also, the tiles chapter would benefit from an example of using a tile 
definition from XML, similar to how he uses a tile definition from a JSP in 
Example 14-7.

I've passed these comments to O'Reilly.


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