JDK-8161144 (Broken Allocation Stack from VisualVM)

Shafi Ahmad shafi.s.ahmad at oracle.com
Fri Jul 29 15:02:37 UTC 2016

Hi Rob,

> -----Original Message-----
> From: Rob McKenna
> Sent: Friday, July 29, 2016 8:02 PM
> To: Jon V.
> Cc: jdk8u-dev at openjdk.java.net; Shafi Ahmad
> Subject: Re: JDK-8161144 (Broken Allocation Stack from VisualVM)
> Thanks for the heads up Jon,
> Shafi (cc'd) can you let me know when the fix has been pushed and I'll get an 
> openjdk build out to Jon so he can continue his investigation?

The fix of the Bug JDK-8161144 is yet to push. I am waiting for the 2nd reviewer.  Once push is done I will update you.


> 	-Rob
> On 29/07/16 07:54, Jon V. wrote:
> > I”m not a JBS member otherwise I would add something to the
> > outstanding ticket.  I’ve also confirmed that this bug is still
> > present in 8u112 b04 as well.
> >
> > I’m currently tracking down what I believe to be an Integer leak in
> > JDK 8’s NIO (It's creating 30 MB/s worth of Integer objects and they
> > aren’t being removed by escape analysis) and not being able to use
> > allocation stack traces has made it impossible.  The error I’m looking
> > for doesn’t exist in JDK 7 (as confirmed this morning)
> >
> > Like the original bug submitter, I too am testing on Ubuntu.
> >
> > If Shafi Ahmad is on this list, the URL for the debug build doesn’t work.

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