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From Stefan Bodewig <>
Subject Re: [VOTE]: Getting 1.6 out the door
Date Wed, 17 Sep 2003 11:22:08 GMT
On Wed, 17 Sep 2003, peter reilly <> wrote:

[Stefan writes story about classes being loaded multiple times by the
same classloader but via different paths]

> Yikes!

To be fair, I should add that the <classloader> implementation doesn't
work for class loaders that are not AntClassLoaders, so you won't be
able to manipulate the system classloader - but the issues would be
the same.

> I have done some more investigation.  The reason why using defined
> definitions do not work unless antlib is an taskcontainer is
> UnknownElement#handleChildren. This loops tru the all unknown
> elements and checks if the parent can handle them. After
> handleChildren is called, the maybeConfigure is called which invokes
> the defines if addConfigured(AntlibInterface) is used in antLib.

So you need to supress/delay the invocation?  I'm not sure I follow
you, sorry.

> A fix could be to keep antlib being a task container, but check
> if the type of task/type is a AntlibInterface, and if not, to
> reject the task/type.

I don't think so.  To me it seems that it should be possible for
<antlib> to accept arbitrary AntlibInterface instances as children
without resorting to TaskContainer.  If Antlib can't do that, it feels
as if something was not right ATM.


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