> -----Original Message----- > From: Steve Loughran [mailto:[EMAIL PROTECTED] > Sent: Friday, 1 September 2006 8:32 PM > To: Ant Users List > Subject: Re: Jar Locking > > Stephen McConnell wrote: > > > > > >> -----Original Message----- > >> From: Marc Farrow [mailto:[EMAIL PROTECTED] > >> Sent: Friday, 1 September 2006 2:35 AM > >> To: Ant Users List > >> Subject: Re: Jar Locking > >> > >> Thanks Stephen. If I set all references to Ant to null and forced > >> GC, would that resolve the problem? > > > > Well, umm, this is tricky. If your loading a task or data type > > definition I think Ant holds a strong reference to the class which > > would suggest that setting things to null would not change (because > > strong references are held for the life of the JVM). I may > be wrong > > here because it's been a while since I dug into Ant > internals on task > > class references - but one of the Ant Developers could > probably confirm things. > > > > However, if your running Ant as an embedded solution - then in > > principal the disposal of the Ant project would clear any task and > > datatype references and you may have a chance. But this is tricky > > stuff and getting it right really requires that the Ant project and > > all Ant related stuff is loaded in a child classloader > relative to the > > launching application (i.e. it's the classloader disposal > that is key to the releasing of the file reference). > > > > It is possible - but it's not trivial. > > > > Cheers, Steve. > > Isnt it the case that if you hold any class created by a > classloader, there is reference to the classloader? because I > can always go object.getClass().getClassloader()
Correct. > > you'd need to forget about every object created and returned > by ant itself Yep. Which is when a plugin management framework comes in real handy. /Steve. -------------------------- Stephen McConnell mailto:[EMAIL PROTECTED] http://www.dpml.net --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
