JavaFX 2 memory leaks in StyleManager (making FX2 completely unusable for application development)

[Kevin Rushforth]

Hi Tom,

I have raised the priority to P2 and assigned it to Jonathan to evaluate.

-- Kevin


Tom Schindl wrote:
> Hi Kevin,
>
> I have created a sample application and filed
> https://javafx-jira.kenai.com/browse/RT-32087
>
> I've uploaded the sources, memory dumps, ... to
> http://downloads.efxclipse.org/memoryleak/.
>
> There are 2 remarkable things if you look at the memory screenshots.
>
> memory2.png: Runs the application without the CSS-Images so one can see
>              that the application after sometime holds > 9.000
>              Cell-Objects who naturally holds other node objects
>
> memory1.png: Shows that the CSS is loading image instance for each and
>              every ImageView although we are only one image-url!
>
> So after this test I think the CSSEngine is not really leaking images
> but is loading too many of them although it could reuse them. The really
> leaking component is ListView which leaks all its list cells.
>
> The good thing is that FX8 does not show this problems (no image
> duplication, no leaked cells) but FX8 is more than 6 months away and
> those two problems above make FX2.2 completely unusable (one can
> workaround the CSS-Bug by simply *not* useing Images in CSS) but for
> ListCell one there's no work-around at all available (beside not using
> ListView)!
>
> Tom
>
> On 30.07.13 16:28, Kevin Rushforth wrote:
>   
>> What version of JDK 7u/FX 2.2.x is this reproduced in? Have you tried
>> this with a recent build of JDK 7u40? There is a vanishingly small
>> window to get changes into 7u40 / FX 2.2.40 which is scheduled for
>> release in the first half of September. The next opportunity would be
>> January.
>>
>> -- Kevin
>>
>>
>> Tom Schindl wrote:
>>     
>>> [resending because mail was blocked yesterday because of included images]
>>> Hi,
>>>
>>> I've been debugging a JavaFX application with a customer and we've found
>>> a tremendous memory leak in StyleManager when using icons.
>>>
>>> This bug makes JavaFX 2.x completely unusable because the application is
>>> using up to 1.5GB and more within a few mintues! Has anyone seen this
>>> and if I file a bug could I expect a bugfix in FX2?
>>>
>>> The screenshots from the Memory Analyzer can be seen at:
>>> http://www.efxclipse.org/image001.png
>>> http://www.efxclipse.org/image002.png
>>>
>>> Tom
>>>   
>>>       
>
>