Crash

[anonymous]

Build-Date: 2011-05-02 00:37:01
Revision: 4065
Is-Local-Build: true

Identification: JOSM/1.5 (4065 SVN de)
Memory Usage: 15 MB / 247 MB (9 MB allocated, but free)
Java version: 1.6.0_24, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows Vista

java.lang.IncompatibleClassChangeError: Expecting non-static method org.openstreetmap.josm.actions.UpdateDataAction.getEditLayer()Lorg/openstreetmap/josm/gui/layer/OsmDataLayer;

at org.openstreetmap.josm.actions.UpdateDataAction.updateEnabledState(UpdateDataAction.java:40)
at org.openstreetmap.josm.actions.JosmAction.initEnabledState(JosmAction.java:160)
at org.openstreetmap.josm.actions.JosmAction.installAdapters(JosmAction.java:149)
at org.openstreetmap.josm.actions.JosmAction.<init>(JosmAction.java:93)
at org.openstreetmap.josm.actions.JosmAction.<init>(JosmAction.java:68)
at org.openstreetmap.josm.actions.UpdateDataAction.<init>(UpdateDataAction.java:23)
at org.openstreetmap.josm.gui.MainMenu.<init>(MainMenu.java:115)
at org.openstreetmap.josm.Main.<init>(Main.java:226)
at org.openstreetmap.josm.gui.MainApplication.<init>(MainApplication.java:59)
at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:231)

[jttt]

Please try again with clean build (ant clean dist).

[anonymous]

Good idea :-)
Problem vanished.