RFR: JDK-8031767 Support system or alternative implementations of zlib

Alan Bateman Alan.Bateman at oracle.com
Mon Feb 8 09:55:47 UTC 2016

On 08/02/2016 10:42, Seán Coffey wrote:
> Is there an option to fall back to the older v.1.2.8 implementation if 
> necessary ? It would certainly alleviate issues for any applications 
> that might run into issues with the latest and greatest zlib 
> libraries. JDK-8133206 would be one such example.
Just at build time but if the zlib on the platform is broken then it 
impacts tools and probably lots of things. I would assume the OS would 
patch such issues quickly. In the case of JDK-8133206 then was the issue 
addressed in the libzip wrapper or in the zlib code? I thought it was 
the former.

On a fallback or some way to configure at launch time then Sandhya 
Viswanathan (Intel) has a proposal here last year. I think we mostly 
agreed on that thread that switching the build to use the system zlib by 
default would be better.


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