Still, can not reproduce:
Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-08-20 01:31:09
Last Changed Author: Don-vip
Revision: 5461
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-08-20 02:21:54 +0200 (Mon, 20 Aug 2012)
Last Changed Rev: 5461
Identification: JOSM/1.5 (5461 de)
Memory Usage: 278 MB / 881 MB (147 MB allocated, but free)
Java version: 1.6.0_24, Sun Microsystems Inc., OpenJDK 64-Bit Server VM
Operating system: Linux
Dataset consistency test: No problems found
Plugin: terracer (28412)