Using bytecode instrumentation in application servers and frameworks

Hi all,
 
using java.lang.instrument package, it is possible to specify an load-time
instrumentation agent for "standard" Java programs, i.e. Java SE.
 
Does anybody have experience with agent-based instrumentation of Java EE
(enterprise edition) or Spring framework applications?

Reusing java.lang.instrument would be an option, but the agent needs to be
configured to distinguish the application classes (that I want to instrument)
from the middleware classes (that shouln't / cannot be instrumented). I would
like to use load-time instrumentation as "the last in the chain" agent so that
BCI performed by the app server itself is covered.
 
The Java EE specification seems not to have an own mechanism; vendor-specific
interfaces (if any) are hard to find. Does anybody have
experience/suggestions/ideas about bytecode instrumentation in scenarios other
than Java SE?
 
Any help will be appreciated  :-)

Many thanks,
 
Michael Kuperberg
                          


 

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