Fwd: Re: [8u] RFR: 8129419: heapDumper.cpp: assert(length_in_bytes > 0) failed: nothing to copy

Andreas Eriksson andreas.eriksson at oracle.com
Tue Feb 16 14:06:03 UTC 2016


Hi,

Anyone with 8u Reviewer status who can take a look?

- Andreas


On 2016-02-10 19:01, Andreas Eriksson wrote:
> [Adding jdk8u-dev list]
>
> Hi,
>
> I believe I need an 8u Reviewer as well, since Dmitry is only 
> committer for 8u?
> Could someone please take a look?
>
> This is type cleanup for dumping a heap with long arrays.
>
> Hotspot webrev: 
> http://cr.openjdk.java.net/~aeriksso/8129419/webrev.jdk8.00/hotspot/
> JDK webrev: 
> http://cr.openjdk.java.net/~aeriksso/8129419/webrev.jdk8.00/jdk/
>
> See below for changes compared to the JDK 9 version.
>
> Regards,
> Andreas
>
>
> -------- Forwarded Message --------
> Subject: 	Re: [8u] RFR: 8129419: heapDumper.cpp: 
> assert(length_in_bytes > 0) failed: nothing to copy
> Date: 	Wed, 10 Feb 2016 20:38:21 +0300
> From: 	Dmitry Samersoff <dmitry.samersoff at oracle.com>
> To: 	Andreas Eriksson <andreas.eriksson at oracle.com>, 
> serviceability-dev at openjdk.java.net
>
>
>
> Andreas,
>
> Looks good for me!
>
> -Dmitry
>
> On 2016-01-28 20:36, Andreas Eriksson wrote:
> > Hi,
> >
> > Please review this backport of JDK-8129419
> ><https://bugs.openjdk.java.net/browse/JDK-8129419>.
> >
> > Hotspot webrev:
> >http://cr.openjdk.java.net/~aeriksso/8129419/webrev.jdk8.00/hotspot/
> > JDK webrev:http://cr.openjdk.java.net/~aeriksso/8129419/webrev.jdk8.00/jdk/
> >
> > There are three changes compared to JDK 9:
> >
> > 1) The hprof parser is in the JDK repo instead of top repo.
> > Otherwise these changes are the same.
> >
> > 2) On Solaris os::write has some UseVMInterruptibleIO logic that failed
> > because it assumed it was called by a JavaThread.
> > I changed it to skip UseVMInterruptibleIO logic if called by a
> > non-JavaThread.
> >
> > 3) The "heap dump file created" message were using sprintf and pragmas
> > because of legacy reasons.
> > Code after the change is the same as JDK 9 code.
> >
> > Regards,
> > Andreas
>
>
> -- 
> Dmitry Samersoff
> Oracle Java development team, Saint Petersburg, Russia
> * I would love to change the world, but they won't give me the sources.
>
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.openjdk.java.net/pipermail/serviceability-dev/attachments/20160216/7e823046/attachment.html>


More information about the serviceability-dev mailing list