[NETBEANS-1193] Unable to open any xml file in the IDE

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Cannot Reproduce
• Affects Version/s: 9.0
• Component/s: editor - Code folding

Environment

Product Version: Apache NetBeans IDE 9.0 (Build incubator-netbeans-release-334-on-20180708)
Java: 10.0.2; Java HotSpot(TM) 64-Bit Server VM 10.0.2+13
Runtime: Java(TM) SE Runtime Environment 10.0.2+13
System: Windows 10 version 10.0 running on amd64; Cp1252; en_US (nb)

• Assignee: Unassigned
• Reporter: Gaurav Gupta
• Created: 27/Aug/18 04:56
• Updated: 21/Sep/18 11:25
• Resolved: 21/Sep/18 11:25

Description

Step to reproduce :
Project Node > Maven Project > Right click > Open POM
or directly drop any external xml in the IDE

NetBeans IDE info :

Product Version: Apache NetBeans IDE 9.0 (Build incubator-netbeans-release-334-on-20180708)
Java: 10.0.2; Java HotSpot(TM) 64-Bit Server VM 10.0.2+13
Runtime: Java(TM) SE Runtime Environment 10.0.2+13
System: Windows 10 version 10.0 running on amd64; Cp1252; en_US (nb)
User directory: C:\Users\jGauravGupta\AppData\Roaming\NetBeans\9.0
Cache directory: C:\Users\jGauravGupta\AppData\Local\NetBeans\Cache\9.0

Stacktrace :

java.lang.NullPointerException
	at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.resolveBackColor(CodeFoldingSideBar.java:350)
	at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.updateColors(CodeFoldingSideBar.java:365)
	at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.access$200(CodeFoldingSideBar.java:99)
	at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar$2.preferenceChange(CodeFoldingSideBar.java:228)
	at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.addNotify(CodeFoldingSideBar.java:284)
	at java.desktop/java.awt.Container.addNotify(Container.java:2798)
	at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
	at org.netbeans.modules.editor.impl.CustomizableSideBar$WestSidebarHolder.addNotify(CustomizableSideBar.java:286)
	at java.desktop/java.awt.Container.addNotify(Container.java:2798)
	at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
	at java.desktop/java.awt.Container.addNotify(Container.java:2798)
	at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
	at java.desktop/java.awt.Container.addNotify(Container.java:2798)
	at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
	at java.desktop/java.awt.Container.addImpl(Container.java:1144)
	at java.desktop/java.awt.Container.add(Container.java:995)
	at org.openide.text.CloneableEditorInitializer.initCustomEditor(CloneableEditorInitializer.java:523)
	at org.openide.text.CloneableEditorInitializer.initCustomEditorAndDecorationsInEDT(CloneableEditorInitializer.java:573)
[catch] at org.openide.text.CloneableEditorInitializer.run(CloneableEditorInitializer.java:321)
	at org.openide.text.CloneableEditorInitializer.processPendingEDTRequests(CloneableEditorInitializer.java:135)
	at org.openide.text.CloneableEditorInitializer$1.run(CloneableEditorInitializer.java:84)
	at org.netbeans.core.windows.WindowManagerImpl$Exclusive$1.run(WindowManagerImpl.java:1546)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
	at java.desktop/java.awt.EventQueue.access$600(EventQueue.java:97)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	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)