id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
13981	IllegalStateException reverting a changeset	skyper	Upliner	"==== What steps will reproduce the problem?
1. revert changset 43556601 into empty layer

==== What is the expected result?
changeset is reverted and deleted objects are undeleted
==== What happens instead?
IllegalStateException
==== Please provide any additional information below. Attach a screenshot if possible.

{{{
URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-11-14 23:32:57 +0100 (Mon, 14 Nov 2016)
Build-Date:2016-11-15 03:13:32
Revision:11256
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11256 en) Linux Debian GNU/Linux 8.6 (jessie)
Memory Usage: 374 MB / 882 MB (83 MB allocated, but free)
Java version: 1.8.0_102-8u102-b14.1-1~bpo8+1-b14, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-8-jre:amd64-8u102-b14.1-1~bpo8+1
Java ATK Wrapper package: libatk-wrapper-java:all-0.30.4-3
Program arguments: [--language=en]
Dataset consistency test: No problems found

Plugins:
+ reverter (32796)
+ tag2link (33035)
+ undelete (32699)
+ utilsplugin2 (32815)
+ wikipedia (33017)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/LaneAttributes&zip=1
+ http://osmtools.de/josm/steps.xml

Map paint styles:
+ https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1

Last errors/warnings:
- E: Handled by bug report queue: java.lang.IllegalStateException: Missing merge target of type node with id 575,881,486


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (18) of main
java.lang.IllegalStateException: Missing merge target of type node with id 575,881,486
	at reverter.DataSetCommandMerger.getMergeTarget(DataSetCommandMerger.java:61)
	at reverter.DataSetCommandMerger.mergeNode(DataSetCommandMerger.java:81)
	at reverter.DataSetCommandMerger.merge(DataSetCommandMerger.java:172)
	at reverter.DataSetCommandMerger.<init>(DataSetCommandMerger.java:45)
	at reverter.ChangesetReverter.getCommands(ChangesetReverter.java:344)
	at reverter.RevertChangesetTask.realRun(RevertChangesetTask.java:110)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:93)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:141)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
}}}
"	defect	new	normal		Plugin reverter			template_report regression