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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [drlvm] invoking non-trivial jars results in IllegalAccessError
Date Mon, 25 Sep 2006 02:14:48 GMT

On Sep 24, 2006, at 8:09 PM, Gregory Shimansky wrote:

> On Sunday 24 September 2006 05:46 Geir Magnusson Jr. wrote:
>> On Sep 23, 2006, at 7:46 PM, Ivan Volosyuk wrote:
>>> Actually... This is another bug :)
>>
>> Oh well :)
>
> I think I've found the cause of this bug. Now what to do with it...

Thanks for looking into it so fast.

>
> 1. Class Foo is loaded by org/apache/harmony/vm/JarRunner$MyLoader  
> while Bar
> is loaded by java/net/URLClassLoader$SubURLClassLoader.

Why?  I thought they would be in the same classloader, given the fact  
that I fed the jar to MyLoader...

>
> 2. The comparison in Resolve.cpp:177 fails because each class  
> loader in VM has
> its own table of packages and thus Foo and Bar while having the  
> same packages
> in name, have different packages in terms of class loading. This  
> results in
> IllegalAccessError.
>
> I am not sure what actually is wrong, #1 or #2 or both. I think all  
> user
> application classes should be loaded by the same system class  
> loader unless
> user specifies another one. So #1 seems to be the candidate for me.
>
> -- 
> Gregory Shimansky, Intel Middleware Products Division
>
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