RFR 9 : 8160370 : System.getProperty("os.version") returns "Unknown" on Mac

[Gerard Ziemski]

hi Brent,

Thank you for fixing the original issue and for putting in this follow-up fix!

Looks good! (for full disclosure I proposed the workaround)


cheers

> On Jun 29, 2016, at 2:36 PM, Brent Christian <brent.christian at oracle.com> wrote:
> 
> Hi,
> 
> Please review the following change for JDK 9:
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8160370
> Webrev:
> http://cr.openjdk.java.net/~bchristi/8160370/webrev.00/
> 
> The fix for 7131356 fills in the "os.version" system property on Mac using [NSProcessInfo operatingSystemVersion], available starting in Mac OS 10.9.
> 
> While JDK 9 will not support versions of Mac OS prior to 10.9 [1], not all testing infrastructure has been updated, and we've seen failures of
> 
> java/lang/System/OsVersionTest.java
> 
> The code to restore behavior on older Mac systems is only a few lines, so that seems like a good way to get testing going again.
> 
> Thanks,
> -Brent
> 
> 1. https://jdk9.java.net/jdk9_supported_platforms.html
> 2. https://bugs.openjdk.java.net/browse/JDK-8156132