﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
18771	"IAE: Parameter 'data' must not be null - clicking ""OK"" on the ""Edit New Relation"" box"	anonymous	team	"==== What steps will reproduce the problem?
1. IN the ""Edit new relation"" box I added a bunch of things to it
2. When I clicked OK, I got the error message
3. 

==== What is the expected result?
I would expect the Relation to be edited correctly.

==== What happens instead?
Error message.
==== Please provide any additional information below. Attach a screenshot if possible.

{{{
URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-02-24 22:06:28 +0100 (Mon, 24 Feb 2020)
Build-Date:2020-02-24 21:08:22
Revision:15927
Relative:URL: ^/trunk

Identification: JOSM/1.5 (15927 en_AU) Windows 10 64-Bit
OS Build number: Windows 10 Home 1909 (18363)
Memory Usage: 219 MB / 247 MB (45 MB allocated, but free)
Java version: 1.8.0_241-b07, Oracle Corporation, Java HotSpot(TM) Client VM
Screen: \Display0 1920x1080, \Display1 1920x1080
Maximum Screen Size: 1920x1080
Dataset consistency test: No problems found

Plugins:
+ reverter (35313)

Last errors/warnings:
- W: Update plug-ins - You updated your JOSM software. To prevent problems the plug-ins should be updated as well.  Update plug-ins now?
- W: Unsaved changes - <html>The relation has been changed.<br><br>Do you want to save your changes?</html>
- W: Unsaved changes - <html>The relation has been changed.<br><br>Do you want to save your changes?</html>
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Parameter 'data' must not be null
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Parameter 'data' must not be null


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (15) of main
java.lang.IllegalArgumentException: Parameter 'data' must not be null
	at org.openstreetmap.josm.tools.CheckParameterUtil.ensureParameterNotNull(CheckParameterUtil.java:69)
	at org.openstreetmap.josm.command.Command.<init>(Command.java:138)
	at org.openstreetmap.josm.command.ChangeCommand.<init>(ChangeCommand.java:47)
	at org.openstreetmap.josm.command.ChangeCommand.<init>(ChangeCommand.java:36)
	at org.openstreetmap.josm.gui.dialogs.relation.actions.SavingAction.applyExistingNonConflictingRelation(SavingAction.java:104)
	at org.openstreetmap.josm.gui.dialogs.relation.actions.SavingAction.applyChanges(SavingAction.java:177)
	at org.openstreetmap.josm.gui.dialogs.relation.actions.OKAction.actionPerformed(OKAction.java:33)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
}}}
"	defect	new	normal		Core	tested		template_report relation	
