make subversion pdf doc results in: Exception in thread "main" java.lang.OutOfMemoryError

Anybody else experience this ?

tfoerste@n22 ~/devel/svnbook/trunk/src/en/book $ (cd ../; make all-pdf)
../tools/bin/run-fop.sh -fo book/svn-book.fo -pdf book/svn-book.pdf
(Using '/usr/bin/fop' for FOP)
[INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
[INFO] FOP 0.20.5
[INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
[INFO] building formatting object tree
[INFO] setting up fonts
[INFO] [1]
[INFO] [2]
...
[INFO] [283]
[INFO] [284]
Exception in thread "main" java.lang.OutOfMemoryError

That's my system:

tfoerste@n22 ~/devel/svnbook/trunk/src/en $ svn info

Path: .
URL: http://svn.red-bean.com/svnbook/trunk/src/en
Repository UUID: 092d64ff-61b7-0310-bf06-9acdfb04b43b
Revision: 1900
Node Kind: directory
Schedule: normal
Last Changed Author: maxb
Last Changed Rev: 1900
Last Changed Date: 2005-12-10 16:52:47 +0100 (Sat, 10 Dec 2005)

tfoerste@n22 ~/devel/svnbook/trunk/src/en $ java -version

java version "1.4.2_10"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_10-b03)
Java HotSpot(TM) Client VM (build 1.4.2_10-b03, mixed mode)

tfoerste@n22 ~/devel/svnbook/trunk/src/en $ uname -a

Linux n22 2.6.14-gentoo-r4 #6 Fri Dec 9 23:37:27 CET 2005 i686 Intel(R)
Pentium(R) M processor 1700MHz GenuineIntel GNU/Linux

-- 
MfG/Regards
Toralf Förster