I read the document at
http://tomcat.apache.org/tomcat-6.0-doc/class-loader-howto.html and have a
question. What is the class loading order if the classes are located under
/WEB-INF/classes/ and /WEB-INF/lib/ respectively?
I have a aspectj class (.aj) located under /WEB-INF/classes/ and a Filter
(TapestryFilter) class located under /WEB-INF/lib/. Will the TapestryFilter
get loaded first and ignore aspectj class?
My scenario is :
My web application configure org.apache.tapestry5.services.TapestryFilter in
the web.xml to filter incoming request. Then an aspectj class will intercept
the execution of TapestryFilter.doFilter() method. The aspectj class looks
as below
pointcut intercept(): execution(*
org.apache.tapestry5.services.TapestryFilter.doFilter(..));
void around() : intercept(){
System.out.println(".... test ...");
logger.debug("..."); // slf4j log configured correctly
}
So what I expect is, for instance, when a user access from the browser the
log/console will print the log message. This scenario works fine when I copy
and rename (also change web.xml to use that new filter) TapestryFilter to
WEB-INF/class folder. However, if I use the default TapestryFilter (packaged
as jar file under WEB-INF/lib), the aspectj message won't be shown in the
log. Looks like the aspectj class is completely ignored.
Is there any document/resource that tells more detail on how class loader
would work if classes are located under WEB-INF/class and WEB-INF/lib? Or
any place of the source code would be a good start point to look at?
I appreciate any suggestion.
Thank you very much.
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