The auto-detect feature creates the font cache, to save time on sunsequent calls to FOP, you can disable the cache using the setting: <use-cache>false</use-cache> in your fop.xconf.

I suspect the reason for the high memory consumption is your use of auto-detect feature. Though I've not replicated the issue. If your intention is to allow the user to pick any font installed on the Operating System, why not use the java.awt classes to list the available fonts instead? I've not tried it but I suspect it will use less memory as it doesn't need to load the full contents of every font in the system.

Thanks,

Chris

On 31/07/2013 12:53, Bernard Giannetti wrote:
Now I'm chasing my tail...looking at FontCachehas gotten me back to FontInfo.getFonts()!

Any other ideas please?!


------------------------------------------------------------------------
From: thebernmeis...@hotmail.com
To: fop-users@xmlgraphics.apache.org
Subject: RE: Getting a list of font names without the memory hit...‏
Date: Wed, 31 Jul 2013 21:33:14 +1000

I'm readingorg.apache.fop.fonts.FontCache now...red-faced and fingers crossed!



------------------------------------------------------------------------
From: thebernmeis...@hotmail.com
To: fop-users@xmlgraphics.apache.org
Subject: RE: Getting a list of font names without the memory hit...‏
Date: Wed, 31 Jul 2013 21:29:59 +1000

The config file or the cache file?

My config file has no fonts listed for PDF:

<renderer mime="application/pdf">
<filterList>
<value>flate</value>
</filterList>

<fonts>
<auto-detect/>
</fonts>
</renderer>


> Date: Wed, 31 Jul 2013 04:26:33 -0700
> From: djs...@yahoo.com
> To: fop-users@xmlgraphics.apache.org
> Subject: RE: Getting a list of font names without the memory hit...‏
>
> Why don't you just read the config file which list all the available fonts?



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