NPE at ComboMultiSelect$Renderer.getListCellRendererComponent

[anonymous]

What steps will reproduce the problem?

1. Seclected muti points
2. Apply combination
3. Crash while appying combination to muti points

What is the expected result?

What happens instead?

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-03-01 10:08:48 +0100 (Thu, 01 Mar 2018)
Revision:13478
Redirecting:to URL 'https://josm.openstreetmap.de/svn/trunk':
Build-Date:2018-03-01 09:12:13
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (13478 zh_TW) Windows 8 64-Bit
OS Build number: Windows 8 Enterprise (9200)
Memory Usage: 232 MB / 944 MB (56 MB allocated, but free)
Java version: 9.0.4.1+11, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Screen: \Display0 1280x1024
Maximum Screen Size: 1280x1024
Dataset consistency test: No problems found

Plugins:
+ CustomizePublicTransportStop (0.4)
+ imagery_offset_db (33774)
+ utilsplugin2 (33991)

Tagging presets:
+ https://raw.github<user.name>content.com/OsmHackTW/josm-presets/master/TaiwanOnly.xml

Last errors/warnings:
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- E: Handled by bug report queue: java.lang.NullPointerException


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (22) of main
java.lang.NullPointerException
	at org.openstreetmap.josm.gui.tagging.presets.items.ComboMultiSelect$Renderer.getListCellRendererComponent(ComboMultiSelect.java:116)
	at org.openstreetmap.josm.gui.tagging.presets.items.ComboMultiSelect$Renderer.getListCellRendererComponent(ComboMultiSelect.java:107)
	at java.desktop/com.sun.java.swing.plaf.windows.WindowsComboBoxUI.paintCurrentValue(WindowsComboBoxUI.java:299)
	at java.desktop/javax.swing.plaf.basic.BasicComboBoxUI.paint(BasicComboBoxUI.java:942)
	at java.desktop/com.sun.java.swing.plaf.windows.WindowsComboBoxUI.paint(WindowsComboBoxUI.java:224)
	at java.desktop/javax.swing.plaf.ComponentUI.update(ComponentUI.java:161)
	at java.desktop/javax.swing.JComponent.paintComponent(JComponent.java:798)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1075)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1084)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1084)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1084)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1084)
	at java.desktop/javax.swing.JViewport.paint(JViewport.java:737)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1084)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1084)
	at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:590)
	at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:908)
	at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5263)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1633)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1608)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1546)
	at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1313)
	at java.desktop/javax.swing.JComponent.paint(JComponent.java:1061)
	at java.desktop/java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)
	at java.desktop/sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:78)
	at java.desktop/sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:115)
	at java.desktop/java.awt.Container.paint(Container.java:1998)
	at java.desktop/java.awt.Window.paint(Window.java:3926)
	at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:868)
	at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:840)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:840)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:815)
	at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:764)
	at java.desktop/javax.swing.RepaintManager.access$1200(RepaintManager.java:69)
	at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1880)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
	at java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:117)
	at java.desktop/java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
	at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
	at java.desktop/java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.desktop/java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
	at java.desktop/java.awt.Dialog.show(Dialog.java:1070)
	at java.desktop/java.awt.Component.show(Component.java:1669)
	at java.desktop/java.awt.Component.setVisible(Component.java:1616)
	at java.desktop/java.awt.Window.setVisible(Window.java:1017)
	at java.desktop/java.awt.Dialog.setVisible(Dialog.java:1005)
	at org.openstreetmap.josm.gui.ExtendedDialog.setVisible(ExtendedDialog.java:458)
	at org.openstreetmap.josm.gui.ExtendedDialog.showDialog(ExtendedDialog.java:254)
	at org.openstreetmap.josm.gui.tagging.presets.TaggingPreset$PresetDialog.<init>(TaggingPreset.java:457)
	at org.openstreetmap.josm.gui.tagging.presets.TaggingPreset.showDialog(TaggingPreset.java:495)
	at org.openstreetmap.josm.gui.tagging.presets.TaggingPreset.actionPerformed(TaggingPreset.java:393)
	at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
	at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
	at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
	at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
	at java.desktop/javax.swing.AbstractButton.doClick(AbstractButton.java:369)
	at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:980)
	at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1024)
	at java.desktop/java.awt.Component.processMouseEvent(Component.java:6578)
	at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3343)
	at java.desktop/java.awt.Component.processEvent(Component.java:6343)
	at java.desktop/java.awt.Container.processEvent(Container.java:2259)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4961)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2317)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
	at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4539)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4480)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2303)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2758)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
	at java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
	at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:739)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:737)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)