RFR: 8008453: JvmtiClassFileReconstituter does not recognize default methods

Staffan Larsen staffan.larsen at oracle.com
Thu May 2 04:08:10 PDT 2013


On 2 maj 2013, at 12:58, serguei.spitsyn at oracle.com wrote:

> 
> If I understand correctly, the default methods are generated by the VM and have no presence in class file.
> Is that right?

Yes, that is my understanding.

> Then the fix looks good.

Thanks!

> A typo - "be included":
>  631   // and should not b included in the total count

I'll fix before pushing.

/Staffan


> 
> Thanks,
> Serguei
> 
> 
> On 5/2/13 1:51 AM, Staffan Larsen wrote:
>> JvmtiClassFileReconstituter does not recognize some methods as generated default methods when re-creating a class for retransformation. The new default methods are handled by generating overpass methods inside the JVM, when reconstituting a class, these methods should be skipped as they aren't part of the original class.
>> 
>> webrev: http://cr.openjdk.java.net/~sla/8008453/webrev.00/
>> bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8008453 (not available yet)
>> 
>> Testing done: java/lang/instrument, com/sun/jdi, nsk.quick-jvmti.testlist
>> 
>> I have not written a regression test since this was found by running the existing java/lang/instrument/IsModifiableClassAgent.java test.
>> 
>> Thanks,
>> /Staffan
> 

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