Only 1 GUI thread & dialogs (was Re: 2 JavaFX applets in the same JVM)

[Richard Bair]

Hmmm… FX Experience is running for me. Is anybody else having this problem?

Richard

On Jul 8, 2014, at 2:51 PM, ngalarneau at ABINITIO.COM wrote:

> Hi Steve,
> 
> My understanding of Swing was that when in a modal dialog, which blocked 
> the EDT, a second EDT was fired up for the duration of the dialog to keep 
> the events flowing.
> 
> When you say, below, that only 1 GUI thread is supported (and that thread 
> is the native GUI thread), how are (will?) modal dialogs handled?
> 
> 
> Thanks,
> 
> Neil
> 
> P.S. I've been trying to read Jonathan's article on dialogs on 
> fxexperience.com, but haven't been able to because I get redirected to 
> hosting.xmission.com
> 
> 
> 
> From:   Stephen F Northover <steve.x.northover at oracle.com>
> To:     Kevin Rushforth <kevin.rushforth at oracle.com>, 
> ngalarneau at ABINITIO.COM, 
> Cc:     openjfx-dev at openjdk.java.net
> Date:   07/08/2014 03:41 PM
> Subject:        Re: 2 JavaFX applets in the same JVM
> 
> 
> 
> This would imply that there was more than on distinguished GUI thread 
> per process.  JavaFX runs in the native GUI thread by design and more 
> than one GUI thread is not supported in JavaFX and on some platforms 
> (ie. Mac).
> 
> Steve
> 
> On 2014-07-08, 3:31 PM, Kevin Rushforth wrote:
>> 
>>> Is running 2 JavaFX applets in the same JVM supported?
>> 
>> No, this is not supported. RT-29969 (and the non-public RT-32321) is 
>> about running multiple applets from the same web page, each in their 
>> own JVM. By design, JavaFX runs each applet in its own VM. It is very 
>> unlikely that we would ever add the ability to run more than JavaFX 
>> applet in the same VM.
>> 
>> -- Kevin
>> 
>> 
>> ngalarneau at ABINITIO.COM wrote:
>>> Hello,
>>> 
>>> What is the status of running 2 JavaFX applets in the same JVM 
>>> (separate_jvm = false)?
>>> When we try to load 2 applets into the same JVM we get a runtime 
>>> error (I think it was class loader related).
>>> 
>>> When I searched in jira I found RT-29969 (the 2 applet test it refers 
>>> to may or may not be in the same JVM) which points to RT-32321 which 
>>> seems to be private (it gives me an error when I try to access it).
>>> 
>>> Is running 2 JavaFX applets in the same JVM supported?
>>> 
>>> If not, is that a bug or a feature?
>>> 
>>> 
>>> Thanks,
>>> 
>>> Neil
>>> 
>>> 
>>> 
>>> NOTICE from Ab Initio: This email (including any attachments) may 
>>> contain information that is subject to confidentiality obligations or 
>>> is legally privileged, and sender does not waive confidentiality or 
>>> privilege. If received in error, please notify the sender, delete 
>>> this email, and make no further use, disclosure, or distribution. 
> 
> 
> 
> 
> 
> NOTICE from Ab Initio: This email (including any attachments) may contain 
> information that is subject to confidentiality obligations or is legally 
> privileged, and sender does not waive confidentiality or privilege. If 
> received in error, please notify the sender, delete this email, and make 
> no further use, disclosure, or distribution.