id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
17894	Moving two or more relation members results in re-arrangment	skyper	team	"==== What steps will reproduce the problem?
1. open relation in relation manager
1. select some member in the middle
1. click move selected member down button

==== What is the expected result?
The selection is kept and the selected members are moved one position down in the list.

==== What happens instead?
The selected members are moved down and selection changes (jumps up).

==== Please provide any additional information below. Attach a screenshot if possible.
If you select the top member the IndexOutOfBoundsException happens.

{{{
URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-07-08 01:14:04 +0200 (Mon, 08 Jul 2019)
Build-Date:2019-07-07 23:17:09
Revision:15234
Relative:URL: ^/trunk

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.
- E: Handled by bug report queue: java.lang.IndexOutOfBoundsException: bitIndex < 0: -1


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (16) of main
java.lang.IndexOutOfBoundsException: bitIndex < 0: -1
	at java.util.BitSet.set(BitSet.java:444)
	at org.openstreetmap.josm.gui.dialogs.relation.MemberTableModel.move(MemberTableModel.java:283)
	at org.openstreetmap.josm.gui.util.ReorderableTableModel.moveDown(ReorderableTableModel.java:108)
	at org.openstreetmap.josm.gui.dialogs.relation.actions.MoveDownAction.actionPerformed(MoveDownAction.java:35)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
	at java.awt.Component.processMouseEvent(Component.java:6533)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6298)
	at java.awt.Container.processEvent(Container.java:2238)
	at java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.awt.Container.dispatchEventImpl(Container.java:2296)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4897)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4534)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4475)
	at java.awt.Container.dispatchEventImpl(Container.java:2282)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
	at java.awt.EventQueue$4.run(EventQueue.java:733)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
}}}
"	defect	closed	major	19.06	Core	latest	fixed	template_report relation manager regression