JOSM crash on Mac OS

[dieterdreist]

I got this error: "JOSM wurde beim Verwenden des Plug-Ins liblwawt.dylib unerwartet beendet"

and JOSM crashed. This happened while I wanted to close the programm (no data loss) can't reproduce

System:

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2013-09-11 01:35:34
Last Changed Author: Don-vip
Revision: 6232
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2013-09-11 00:58:39 +0200 (Wed, 11 Sep 2013)
Last Changed Rev: 6232

Identification: JOSM/1.5 (6232 en) Mac OS X 10.8.4
Memory Usage: 211 MB / 7281 MB (101 MB allocated, but free)
Java version: 1.7.0_25, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
VM arguments: [-Xmx8192M, -Dsun.java2d.opengl=true]
Dataset consistency test: No problems found