Re: [Springframework-developer] Creating Memory Leaks with Spring

[Juergen H. <ju...@in...>]

Hi Mike,

That should actually be considered a bug in Spring. Existing bean instances
passed into AutowireCapableBeanFactory methods should not be considered as
shared instances but rather as independent instances, outside Spring's
lifecycle management. There is no need to track dependencies for such bean
instances.

Hence, I've changed AbstractAutowireCapableBeanFactory to create prototype
bean definitions for its temporary needs there, avoiding the dependency
tracking that would kick in for singletons. This will be available in
tomorrow's nightly snapshot (in about 26 hours) and make it into the
upcoming Spring 1.2.2. Feel free to give it an early try!

Regarding private/public/protected bean visibility: Admittedly, this doesn't
have high priority at this point of time. We mainly recommend to use inner
bean definitions for beans that you don't want to expose at all.

Explicit control of the public visibility vs the internal visibility of
beans would be nice, of course, but is not entirely trivial to solve for the
general case (for example, across multiple context definition files). I
guess we'll target this for Spring 1.3, given that there's a major adopter
waiting for it :-)

Juergen


-----Original Message-----
From: spr...@li...
[mailto:spr...@li...]On Behalf
Of Mike Cannon-Brookes
Sent: Thursday, June 02, 2005 9:36 PM
To: Spring Developer
Subject: [Springframework-developer] Creating Memory Leaks with Spring


Hey guys,

One of our dev's found this 'leak' (after days of tracking down a
leak) and wrote it up:

http://confluence.atlassian.com/display/DEV/Creating+Memory+Leaks+with+Sprin
g

Are we doing things wrong?

Is the new factory workaround the 'right' way to do this?

Are we the only ones autowiring so many beans that we notice the memory
effects?

Any ETA on private/public/protected bean protections? (ok, this one
has nothing to do with the leaks but I thought I'd throw it in anyway
;))

Cheers,
Mike
--
ATLASSIAN - http://www.atlassian.com


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