JOSM crashes while adding nodes

[carsten@…]

What steps will reproduce the problem?

1. Add new nodes for a new way

What is the expected result? extending the way

What happens instead? sometimes JOSM crashes.
This problem started some weeks ago (new Version?)

Please provide any additional information below. Attach a screenshot if
possible.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2014-02-27 09:27:48
Last Changed Author: simon04
Revision: 6891
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2014-02-27 08:25:03 +0100 (Thu, 27 Feb 2014)
Last Changed Rev: 6891

Identification: JOSM/1.5 (6891 de) Linux Ubuntu 13.10
Memory Usage: 256 MB / 1744 MB (63 MB allocated, but free)
Java version: 1.6.0_30, Sun Microsystems Inc., OpenJDK 64-Bit Server VM
Java package: openjdk-6-jre:amd64-6b30-1.13.1-1ubuntu2~0.13.10.1
WebStart package: icedtea-netx:amd64-1.4-3ubuntu2.1
VM arguments: [-Xbootclasspath/a:/usr/share/icedtea-web/netx.jar, -Xms8m, -Dicedtea-web.bin.name=javaws, -Dicedtea-web.bin.location=/usr/bin/javaws, -Djava.security.manager, -Djava.security.policy=/etc/icedtea-web/javaws.policy]
Dataset consistency test: No problems found

Plugin: notes (v0.9.1)
Plugin: utilsplugin2 (30277)