Re: Local/Global Exception Handling: How do you specify ContextRelati ve path(action's input) in the Sub-Apps' struts-config.xml

["Craig R. McClanahan" <cr...@apache.org>]

On Tue, 13 Aug 2002, Trieu, Danny wrote:

> Date: Tue, 13 Aug 2002 14:43:48 -0700
> From: "Trieu, Danny" <DT...@downeysavings.com>
> Reply-To: Struts Users Mailing List <st...@jakarta.apache.org>
> To: Struts Users Mailing List <st...@jakarta.apache.org>
> Subject: Local/Global Exception Handling: How do you specify
>     ContextRelati ve path(action's input) in the Sub-Apps' struts-config.xml
>
> Craig,
>
> Do you know how this can be done?
>
> Thanks,
>

Currently, paths on <exception> declarations are all considered to be
module-relative.  Doing this would require the addition of a
"contextRelative" attribute on the <exception> element, and making sure
that the code in ExceptionHandler respected it.  Filing an enhancement
request in the bug tracking system would be appropriate:

  http://nagoya.apache.org/bugzilla/

if it's not there already.

Personally, I have a concern about implementing this.  One of the nice
things about application modules today is that they are pretty much self
contained and independent of each other.  Starting to depend on external
things like common exception handlers increases the fragility and
complexity of installing a module -- no longer can you just "add a new
struts-config.xml file and restart the webapp.  You've got to make sure
that all the shared dependencies are satisfied.

Of course, the same philosophy was behind the idea that WAR files *should*
be indepdendent and self contained, but no, everyone wants shared JAR
files in Tomcat's common/lib directory (or the equivalent on other
servers) ...

> Danny
>
>

Craig



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