[dbdoclet] Re: OutOfMemory Errors with DbDoclet

Hello Todd,

the OutOfMemory errors you encounter are generated by fop,  not by the
javadoc program.
The fop task (org.apache.fop.tools.anttasks.Fop) runs inside the jvm in
which ant itself was started.
Because the task doe not fork a new jvm, the 2GB Memory you specified
can't be used.
The fop task is probably executed with 64M of heap.

To solve this problem you have to start tidbit or ant with the option
-Xmx2048m, too.

dbdoclet should work with projects as large as you can buy RAM :-) (and
have time to wait)

Regards
Michael

Todd Flinders schrieb:
> I used tidbit to split the XML and ran dbdoclet against just the public
> visibility.  This actually ran and generated a 662 page document. 
> However, I need to generate a document against the private visibility,
> and I'm still getting OutOfMemory errors.
>
> Is dbdoclet known to only work with small projects or am I just
> foolishly doing something wrong?  Sorry for being new.  Thanks for your
> help!
>
>   
>>>> Todd.Flinders@xxxxxxxxxx 05/31/07 3:27 PM >>>
>>>>         
> Hello, 
>   
> I'm trying to use dbdoclet for the first time.  I also have no
> experience with fop. 
>   
> When I run dbdoclet, I eventually get the following out of memory error
> (it takes about 5 and a half minutes): 
>   
> BUILD FAILED 
> /home/flindet/dev/dbdoclet/build.xml:360: The following error occurred
> while executing this line: 
> /home/flindet/dev/dbdoclet/build.xml:321: java.lang.OutOfMemoryError:
> Java heap space 
>   
> I have 2GB of RAM in my workstation, and while attempting to resolve
> this issue I have allowed dbdoclet access to 2048MB of heap space.  (I
> also tried smaller values.) 
>   
> I also get a series of errors and warnings leading up to this.  Attached
> is my output from dbdoclet. 
>   
> Errors include: 
>   
> 1.  Failure to find background image. 
> 2.  Failure to find hyphenation pattern. 
> 3.  Numerous paragraph and page overflows. 
> 4.  goToPreviousSimplePageMaster() on the first page called 
>   
> I do have quite a few classes, some with particularly long package
> names. 
>   
> I generated my build.xml with dbdoclet's tidbit.  As far as I can tell,
> I've disabled fully-qualified names and have wrapping enabled.  I'm
> attaching my build.xml for reference. 
>   
> Environment: 
> dbdoclet-1.8-218 (via rpm) 
> Apache Ant version 1.7.0 compiled on December 13 2006 
> java version 1.5.0_10 
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_10-b03) 
> Java HotSpot(TM) Client VM (build 1.5.0_10-b03, mixed mode, sharing) 
> OpenSUSE 10.2 
> Linux HQISB-7Y2GF61 2.6.18.8-0.3-default #1 SMP Tue Apr 17 08:42:35 UTC
> 2007 i686 i686 i386 GNU/Linux 
>   
> Can anyone assist in resolving any of my issues?  I've been searching
> Google for hints on dbdoclet and fop that may apply, but so far I've not
> made progress. 
>   
> Your help is greatly appreciated. 
>
>
>
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