NPE in PrismFontLoader.java: Loading primary font factory failed

[Maurice]

It seems that pango isn't present on the system. Given that we have a 
fairly naked Yocto image, is there another way than trail and error to 
know all dependencies needed by Java and JavaFX?

Maurice.

Op 19-02-16 om 17:00 schreef Kevin Rushforth:
> What I meant was for you to find out whether the system pango library 
> that javafx_font_pango.so depends upon is present. Run the "ldd" 
> commands and make sure there are no missing dependencies.
>
> Also, I hadn't noticed you were trying to use the ARM bits. Maybe Dave 
> Hill has some additional thoughts on this.
>
> -- Kevin
>
>
> Maurice wrote:
>> Kevin,
>>
>> Yes, in lib/arm these libraries are present. I'm using the Oracle ARM 
>> JDK 1.8.0_33 fwiw. On the default ubuntu based image I can run JavaFX 
>> with this Java setup, but without HW acceleration.
>>
>> Maurice.
>>
>> root at udooqdl:/# find / -name "*javafx_font*.so"
>> /opt/jdk1.8.0_33/lib/arm/libjavafx_font_freetype.so
>> /opt/jdk1.8.0_33/lib/arm/libjavafx_font_pango.so
>> /opt/jdk1.8.0_33/lib/arm/libjavafx_font.so
>> /opt/jdk1.8.0_33/jre/lib/arm/libjavafx_font_freetype.so
>> /opt/jdk1.8.0_33/jre/lib/arm/libjavafx_font_pango.so
>> /opt/jdk1.8.0_33/jre/lib/arm/libjavafx_font.so
>>
>>
>> Op 19-02-16 om 16:49 schreef Kevin Rushforth:
>>> Do you have the pango and freetype libraries installed on your 
>>> platform? One thing to check is whether any dependent libraries are 
>>> missing for the following .so files:
>>>
>>>    ldd  libjavafx_font.so
>>>    ldd  libjavafx_font_freetype.so
>>>    ldd  libjavafx_font_pango.so
>>>
>>> -- Kevin
>>>
>>>
>>> Maurice wrote:
>>>> I'm building a Yocto Embedded Linux image for the ARM based Udoo 
>>>> Board Quad. At the moment the build is good enough that JavaFX 
>>>> seems to see the Vivante GPU, but my small test program fails with 
>>>> a NullPointerException:
>>>>     at 
>>>> com.sun.javafx.font.PrismFontLoader.font(PrismFontLoader.java:172)
>>>>     at javafx.scene.text.Font.font(Font.java:148)
>>>>     at javafx.scene.text.Font.font(Font.java:228)
>>>>     at com.cuhka.Sample.start(Sample.java:18)
>>>>
>>>> I tried several steps from the OpenJFX Font Setup 
>>>> <https://wiki.openjdk.java.net/display/OpenJFX/Font+Setup> page, I 
>>>> checked the presence of the ${java.home}/lib/fonts folder and it 
>>>> does exist. Running the program with -Dprism.debugfonts=true shows 
>>>> some error:
>>>>
>>>> Loading FontFactory com.sun.javafx.font.freetype.FTFactory
>>>> Subpixel: enabled
>>>> Loading font factory failed com.sun.javafx.font.freetype.FTFactory
>>>> Loading font factory failed com.sun.javafx.font.t2k.T2KFactory
>>>> *** Loading primary font factory failed. ***
>>>> *** Fallbacking to com.sun.javafx.font.t2k.T2KFactory ***
>>>>
>>>> What should be added to the platform for this to be fixed?
>>>>
>>>> Maurice.
>>>>
>>