Re: Preventing Parent Classloading

[Upayavira]

Conor MacNeill wrote:
From: Dominique Devienne [mailto:[EMAIL PROTECTED]
Note that it's often dangerous to break the delegation model of class
loaders... Works sometimes, but be aware we're breaking the rules. --DD
   

Absolutely. I would caution against violating the requirement to delegate 
to parent loaders. It can cause a lot of problems some of which are not
easily repeatable (i.e. they depend on timing and garbage collection 
operations). It may work once and then fail the next time. 

It can be done but you need to be clear about what is happening. Ant does
it in two places (the <java> and <junit> tasks).
Conor
 

And I have finally got my code to work by extracting the necessary code 
from <java> and ExecuteJava. Unfortunately, I don't have much choice but 
to use my own classloader first (at least before the Ant one, not 
necessarily before a root classloader),. as Cocoon requires a different 
version of Avalon logging from that in the Ant Velocity jar.

Thanks for the warning. As I say, is there any way I could've done it 
differently?

Regards, Upayavira
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