Error while downloading object/relation

[naoliv]

Tried to download an object (relation with ID 325869) and got a JOSM error.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2013-03-11 02:31:38
Last Changed Author: simon04
Revision: 5771
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2013-03-10 11:20:12 +0100 (Sun, 10 Mar 2013)
Last Changed Rev: 5771

Identification: JOSM/1.5 (5771 pt_BR)
Memory Usage: 216 MB / 657 MB (40 MB allocated, but free)
Java version: 1.6.0_27, Sun Microsystems Inc., OpenJDK 64-Bit Server VM
Operating system: Linux
Dataset consistency test: No problems found

Plugin: PicLayer (29210)
Plugin: SimplifyArea (29210)
Plugin: buildings_tools (29210)
Plugin: contourmerge (1003)
Plugin: geotools (29319)
Plugin: jts (29319)
Plugin: log4j (29000)
Plugin: merge-overlap (29210)
Plugin: opendata (29301)
Plugin: reverter (29353)
Plugin: scripting (30100)
Plugin: turnrestrictions (29210)
Plugin: utilsplugin2 (29241)

java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:782)
	at java.util.ArrayList$Itr.next(ArrayList.java:754)
	at org.openstreetmap.josm.gui.io.DownloadPrimitivesTask.initMultiFetchReader(DownloadPrimitivesTask.java:93)
	at org.openstreetmap.josm.gui.io.DownloadPrimitivesTask.realRun(DownloadPrimitivesTask.java:122)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:82)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:145)
	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:1146)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:679

[Don-vip]

Closed as duplicate of #7848.