How to build 64-bit FX ?

Tony Anecito adanecito at
Mon Mar 24 18:13:27 UTC 2014

Hi Kevin,
I am doing a swing-javafx app and have been able to run on 64-bit OpenJDK and Windows Java. The only thing to watch out for is any native libraries. Those of course have to be 64-bit.

On Monday, March 24, 2014 9:04 AM, Kevin Rushforth <kevin.rushforth at> wrote:
Good to hear that you can build OK now.

-- Kevin

Anthony Petrov wrote:
> Previously I simply did `rm -rf caches`, but this didn't seem to do 
> the right job. After a completely fresh clone of a new repo and 
> performing a build using 64-bit JDK, I finally got it working.
> -- 
> best regards,
> Anthony
> On 3/21/2014 8:26 PM, Anthony Petrov wrote:
>> Thanks, Kevin. The build went fine. However, when starting an app, I get
>> the infamous "NoSuchMethodError: notifyInitAccessibility" exception (I'm
>> building a fresh 8u20 repo). I tried to specify
>> -Djava.library.path=artifacts\sdk\rt\bin but this didn't help. Note that
>> the x64 JDK I'm using to run the app has its jfxrt.jar removed.
>> But(!), I can actually run the app using the (supposed to be) 64-bit FX
>> binaries with a 32-bit JDK. And it runs fine in this case. But how this
>> could possibly work? And most importantly, how do I get it work with a
>> 64-bit JDK?
>> -- 
>> best regards,
>> Anthony
>> On 3/21/2014 6:46 PM, Kevin Rushforth wrote:
>>> If your JDK_HOME points to a 64-bit JDK then you will get a 64-bit FX
>>> build. No additional options are needed. You need to do a "gradle 
>>> clean"
>>> as part of your build if you previously built a 32-build in the same
>>> repo. Also, if not building webkit or media, make sure you update your
>>> stub_runtime to point to 64-bit FX binaries (your "caches" dir if doing
>>> a closed build).
>>> -- Kevin
>>> Anthony Petrov wrote:
>>>> Hello,
>>>> I'm on Win7 64 bit system. Regularly I use 32-bit compilers and a
>>>> 32-bit JDK, and when building FX by executing the `gradle` command, I
>>>> get a 32-bit FX build.
>>>> How do I get a 64-bit FX build on the same system? What additional
>>>> software do I need? I suppose I need a 64-bit JDK, right?
>>>> I have VS2010 Professional installed. Do I need to install any
>>>> additional development tools/compilers?
>>>> What options/environment variables do I specify on the command line to
>>>> run gradle and get a 64-bit FX build?
>>>> -- 
>>>> best regards,
>>>> Anthony

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