josm hangs with first download of data from osm

[Schusch]

What steps will reproduce the problem?

1. starting josm
2. copy coordinates of wanted area in download window
3. start downloading data

What is the expected result?

• To see the area of downloaded data

What happens instead?

• josm hangs, window stays open: "Datensatz wird vorbereitet ..." with progress bar near to 100 %

• I can't quit this dialog, but I can close it (upper right corner) - after that i have to refresh the display and everything works.
• This effect was present at least with one older version too - i'm not sure if it is reproducable on windows.

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

• My System: Opensuse 11.4 on a Lenovo R60

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2011-10-02 01:32:33
Last Changed Author: Don-vip
Revision: 4483
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2011-10-02 00:34:11 +0200 (Sun, 02 Oct 2011)
Last Changed Rev: 4483

Identification: JOSM/1.5 (4483 de)
Memory Usage: 40 MB / 494 MB (17 MB allocated, but free)
Java version: 1.6.0_22, Sun Microsystems Inc., OpenJDK Client VM
Operating system: Linux
Dataset consistency test: No problems found

Plugin: buildings_tools (26606)
Plugin: terracer (26606)
Plugin: undelete (26606)

java.lang.NullPointerException
	at sun.awt.X11.XWindowPeer.restoreTransientFor(XWindowPeer.java:1681)
	at sun.awt.X11.XWindowPeer.removeFromTransientFors(XWindowPeer.java:1747)
	at sun.awt.X11.XWindowPeer.setModalBlocked(XWindowPeer.java:1469)
	at sun.awt.X11.XWindowPeer.setModalBlocked(XWindowPeer.java:1440)
	at java.awt.Window.setModalBlocked(Window.java:1359)
	at java.awt.Dialog.unblockWindow(Dialog.java:1597)
	at java.awt.Dialog.modalHide(Dialog.java:1483)
	at java.awt.Dialog.hideAndDisposePreHandler(Dialog.java:1215)
	at java.awt.Dialog.hide(Dialog.java:1255)
	at java.awt.Component.show(Component.java:1553)
	at java.awt.Component.setVisible(Component.java:1503)
	at java.awt.Window.setVisible(Window.java:881)
	at java.awt.Dialog.setVisible(Dialog.java:1011)
	at org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor.close(PleaseWaitProgressMonitor.java:151)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:95)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:125)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679

[bastiK]

Closed as duplicate of #6435.