Thanks, Coleen!
Serguei

On 1/16/15 2:50 PM, Coleen Phillimore wrote:

Hi Serguei,

Sorry this got lost in my mailbox, twice. This change looks great! Thank you for re-enabling the test.

Thanks,
Coleen

On 1/16/15, 5:38 PM, serguei.spit...@oracle.com wrote:
Just wanted to tell that Dan is the second reviewer,
so there is no pressure on others to review this. :)

Thanks, Dan!
Serguei

On 1/16/15 11:16 AM, serguei.spit...@oracle.com wrote:
Sorry for the re-post.
Forgot to add review candidates to the to-list.

Thanks,
Serguei

On 1/16/15 11:14 AM, serguei.spit...@oracle.com wrote:
Dan, David H. or David C.,

May I ask one of you to look at the webrev below?
The issue itself is a little bit tricky, so it is not easy to review despite the small size.

Coleen,

Does the webrev matches what we discussed with you?
Do you give me a thumbs up?

Thanks,
Serguei

May I ask

On 1/13/15 9:47 PM, serguei.spit...@oracle.com wrote:
Please, review the fix for:
  https://bugs.openjdk.java.net/browse/JDK-8068162


Open webrevs:
http://cr.openjdk.java.net/~sspitsyn/webrevs/2015/hotspot/8068162-JVMTI-old.4/ http://cr.openjdk.java.net/~sspitsyn/webrevs/2015/jdk/8068162-Test-IsModifiableAgent/


Summary:

The sun.misc.Unsafe:throwIllegalAccessError() method is used in place of a default interface method in the itable if a default method was not defined in the interface. In fact, it happens for two interfaces that purhaps are auto-generated:
     java/nio/CharBuffer
     java/nio/HeapCharBuffer

This approach creates a problem when the class sun.misc.Unsafe is retransformed. The Method* pointer to the old (redefined) method in the itable triggers an assert
   (see the hs_err log in the bug report).
Coleen told me that a similar approach is going to be implemented for some vtable entries.
   Coleen, thanks for suggesting a better fix for this issue!

The fix is to replace the old Unsafe method in the itable/vtable with the latest method version.


Testing:
  In progress: nsk.jdi.testlist, JTREG java/lang/instrument tests


Thanks,
Serguei






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