RFR 8179018: Remove obsoleted one X options from JDK 10

coleen.phillimore at oracle.com coleen.phillimore at oracle.com
Fri Jul 21 14:03:46 UTC 2017

Looks good.  I don't see these in the jdk anywhere.

Maybe you need to put a release-note=yes in the bug in case there are a 
couple of customers who haven't yet gotten the message.


On 7/21/17 8:16 AM, harold seigel wrote:
> Hi,
> Please review this small JDK-10 change to completely remove obsoleted 
> options -Xoss, -Xsqnopause, -Xoptimize, -Xboundthreads, and 
> -Xusealtsigs.  Now when any of these options are specified, users will 
> get the following:
>    java -Xoptimize -version
>    Unrecognized option: -Xoptimize
>    Error: Could not create the Java Virtual Machine.
>    Error: A fatal exception has occurred. Program will exit.
> Open Webrev: 
> http://cr.openjdk.java.net/~hseigel/bug_8179018/webrev/index.html
> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8179018
> The change was tested with the JCK lang and VM tests, the JTreg 
> hotspot, java/io, java/lang, java/util, sun/security, and other JTReg 
> tests, the co-located NSK tests, and with JPRT.
> The -Xusealtsigs option appears in man page files such as 
> jdk/src/linux/doc/man/ja/java.1.  These references should get removed 
> as part of JDK-8179018 
> <https://bugs.openjdk.java.net/browse/JDK-8179018>.
> Thanks, Harold

More information about the hotspot-runtime-dev mailing list