Re: [aspectj-users] Dynamic attachment of the aspect javaagent

[Pasturel <jean-louis.pasturel@xxxxxxxxx>]

I have made an enhancement about this, a year ago i think ( new feature 
for AspectJ 1.6.x), by using the Attach API that came with JDK 1.6 ( 
tools.jar).
With this API it is possible to attach dynamically an agent to a JVM, 
but i failed to attach the LTW agent ( Pb of classloaders and classes 
yet loaded => Andy could explain better than me)

But as Andy said, the use case may be analyzed deeper. I think when a 
class is LTW weaved with Aspects, it is impossible to un-weave it 
dynamically. am I right? With boolean flags, we certainly can deactivate 
the advices.

Le 08/11/2011 18:01, Andy Clement a écrit :
> Hi,
>
> I don't recall the exact discussion about it from the mailing list.
>
> Nothing has been actively done in this area - not sure we even have an
> open bugzilla for an enhancement.
>
> Completely dynamic attachment, I guess something might be possible
> there if communicating with the JVMTI interface. Simpler might be to
> run with javaagent but have it turned off (checking some kind of flag)
> until something occurs that switches it on (sets that flag).
>
> Do you have a specific use case that requires dynamic attachment?
>
> cheers,
> Andy
>
> On 8 November 2011 08:27,<Richard_Whitehurst@xxxxxxxxxx>  wrote:
> > A while back there were some questions about dynamically attaching the
> > aspectj javaagent; has there been any progress on this, or was there not
> > enough interest to pursue it?
> >
> >
> >
> > My apologies if this is documented somewhere and I missed it.
> >
> >
> >
> > Thanks
> >
> > Dick Whitehurst
> >
> >
> >
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