id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
49	exception when starting with 'josm file.gpx'	jburgess@…	imi	"$ java -Xmx1024m -jar svn.openstreetmap.org/editors/josm/dist/josm-custom.jar processed/20061125_163008.gpx
java.lang.NullPointerException
        at org.openstreetmap.josm.gui.layer.RawGpsLayer$1.run(Unknown Source)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

It works fine provided there is an OSM data layer first, e.g. something like:

josm map.osm file1.gpx file2.gpx

"	defect	closed	minor		unspecified	latest	fixed