Re: [Jython-dev] Any plans to deal with PyType.class_to_type?

[Philip J. <pj...@un...>]

On Apr 12, 2010, at 10:22 AM, Matt Brinkley wrote:

> Hi there,
> 
> There appears to be two static maps in PyType that contain class
> objects - class_to_type and classToBuilder - that seem to be added to
> but never removed from. I think this is problematic - I have witnessed
> bugs in reloading jython in a dynamic classloader environment (e.g.
> tomcat, osgi) and submitted bug #1327 five months ago on this issue. I
> have also seen out of permgen memory errors in Tomcat when running and
> re-running large numbers of scripts, which is indicative of classes
> being created and not destroyed - in searching through the bug list I
> found a few existing bugs on this that also mention class_to_type
> (e.g. bugs 1522 and maybe 1589)
> 
> Does anyone have any plans for addressing this issue? It is
> significantly impacting my ability to use jython in a web server
> environment, and in general keeping a static map of classes that is
> never cleaned up is not a good idea.

I'll take a look at #1522 with your class_to_type suggestion in mind, I don't think I even noticed your comment about it when I originally looked at your ticket.

classToBuilder probably doesn't matter so much

--
Philip Jenvey