java launcher option -d32/-d64

Kumar Srinivasan kumar.x.srinivasan at
Tue Sep 20 22:29:54 UTC 2016

Hi Claes,

> Hi Kumar,
> what do you intend the outcome to be if someone specifies -d32 or -d64,
> respectively? Simply ignore it, print a warning - or fail?


> I know a number of scripts and tools which use -d64 for backwards
> compatibility with JDK 7, so if it's not too much trouble to keep at
> least the -d64 flag until 10, i.e., simply accept the option and do
> nothing, I for one would have less things to worry about.

I thought as much, but wanted to check anyway, will keep in mind.


> Thanks!
> /Claes
> On 2016-09-20 23:53, Kumar Srinivasan wrote:
>> Hello,
>> The java launcher supports the options -d32 and -d64, primarily to
>> allow the user to choose and launch 32bit or 64bit JRE, in a
>> Solaris dual mode. However, since jdk8, the only supported configuration
>> for
>> Solaris is 64bit .
>> Therefore, Is there a need for the launcher to support them  ? If so
>> please let me know, as soon as possible, otherwise I will plan on 
>> removing
>> the support for these options in jdk9.
>> Thanks
>> Kumar

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