Hi, Pascal,

There’s no way to disable the cache as PDFBox needs to examine each font on the 
system before it can perform font substitution. However, the cache should be 
saved to disk but it if you’re seeing that message each time you’re running 
PDFBox then it sounds like either the cache write has failed or you’re running 
in an ephemeral environment, such as a Docker container. Are either of these 
likely to be true?

Just to provide a little more detail: the cache contains metadata for every 
font on the system and is persisted to disk precisely because it’s too slow for 
PDFBox to examine every system font every time its initialised. If the cache is 
not persisted, you pay that full time cost each time you use PDFBox.

— John

> On 20 Oct 2015, at 06:49, Pascal Burkhardt <pascalburkha...@mail.de> wrote:
> 
> Hi,
> 
> i upgrade from 1.8.10 to 2.0.0-RC1.
> 
> When i start to create a pdf with pdfbox 2.0.0-RC1 now the log-message 
> appears: "WARNING: Building font cache, this may take a while". To Create a 
> Font Cache it takes quite a long time...(2-3sec.). To create a simple 
> pdf-page this is quite long...
> 
> Is there a way to disable the font cache or to speed up this process? Can i 
> load the font cache on startup of my application, so that when a user 
> requests a pdf it renders quickly (and do not have to init the cache?) or is 
> there another possibility?
> 
> Thanks,
> Pascal
> 
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