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Bug 229349 - NullPointerException: component cannot be null on click on View Menu
Summary: NullPointerException: component cannot be null on click on View Menu
Status: RESOLVED FIXED
Alias: None
Product: editor
Classification: Unclassified
Component: Code folding (show other bugs)
Version: 7.4
Hardware: PC Windows 7
: P2 normal (vote)
Assignee: Svata Dedic
URL:
Keywords:
: 229345 229409 (view as bug list)
Depends on:
Blocks:
 
Reported: 2013-05-04 16:08 UTC by Maksim Khramov
Modified: 2013-05-09 02:36 UTC (History)
3 users (show)

See Also:
Issue Type: DEFECT
Exception Reporter:


Attachments

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Description Maksim Khramov 2013-05-04 16:08:59 UTC
Product Version: NetBeans IDE Dev (Build 201305032300)
Java: 1.7.0_21; Java HotSpot(TM) 64-Bit Server VM 23.21-b01
Runtime: Java(TM) SE Runtime Environment 1.7.0_21-b11
System: Windows 7 version 6.1 running on amd64; Cp1251; en_US (nb)

No opened projects in IDE. All windows reset to default state.
Click on View menu throws exception
java.lang.NullPointerException: component cannot be null
	at org.netbeans.modules.editor.fold.FoldHierarchyExecution.getOrCreateFoldExecution(FoldHierarchyExecution.java:205)
	at org.netbeans.modules.editor.fold.FoldHierarchyExecution.getOrCreateFoldHierarchy(FoldHierarchyExecution.java:200)
	at org.netbeans.api.editor.fold.FoldHierarchy.get(FoldHierarchy.java:148)
	at org.netbeans.modules.editor.NbEditorKit$GenerateFoldPopupAction.addAction(NbEditorKit.java:737)
	at org.netbeans.modules.editor.NbEditorKit$GenerateFoldPopupAction.getPopupMenuItem(NbEditorKit.java:792)
	at org.netbeans.modules.editor.NbCodeFoldingAction$CodeFoldsMenu.getPopupMenu(NbCodeFoldingAction.java:166)
	at org.netbeans.modules.editor.NbCodeFoldingAction$CodeFoldsMenu.synchMenuPresenters(NbCodeFoldingAction.java:132)
	at org.openide.awt.DynaMenuModel.checkSubmenu(DynaMenuModel.java:191)
	at org.openide.awt.MenuBar$LazyMenu.setPopupMenuVisible(MenuBar.java:729)
	at javax.swing.JPopupMenu.menuSelectionChanged(JPopupMenu.java:1471)
	at javax.swing.MenuSelectionManager.setSelectedPath(MenuSelectionManager.java:118)
	at javax.swing.plaf.basic.BasicMenuUI.appendPath(BasicMenuUI.java:222)
	at javax.swing.plaf.basic.BasicMenuUI.access$200(BasicMenuUI.java:49)
	at javax.swing.plaf.basic.BasicMenuUI$Handler.mousePressed(BasicMenuUI.java:461)
	at javax.swing.plaf.basic.BasicMenuUI$MouseInputHandler.mousePressed(BasicMenuUI.java:342)
	at java.awt.Component.processMouseEvent(Component.java:6502)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
	at java.awt.Component.processEvent(Component.java:6270)
	at java.awt.Container.processEvent(Container.java:2229)
	at java.awt.Component.dispatchEventImpl(Component.java:4861)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4489)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
	at java.awt.Container.dispatchEventImpl(Container.java:2273)
	at java.awt.Window.dispatchEventImpl(Window.java:2719)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:688)
	at java.awt.EventQueue$3.run(EventQueue.java:686)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.awt.EventQueue$4.run(EventQueue.java:702)
	at java.awt.EventQueue$4.run(EventQueue.java:700)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:699)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
[catch] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
All menu items under this menu are unavailable.
Comment 1 markiewb 2013-05-05 18:57:02 UTC
This issue can also reproduced the following way.

* start NB, close all documents
* select two arbitrary files in the project view and compare them to each other (via Tools-> Diff)
* try to open the Mainmenu entry "View" -> Exception is thrown!
Comment 2 markiewb 2013-05-05 18:57:57 UTC
(In reply to comment #1)
> This issue can also reproduced the following way.
> 
> * start NB, close all documents
> * select two arbitrary files in the project view and compare them to each other
> (via Tools-> Diff)
> * try to open the Mainmenu entry "View" -> Exception is thrown!

@ NB 7.4.dev 201305042300
Comment 3 Svata Dedic 2013-05-06 13:02:39 UTC
*** Bug 229409 has been marked as a duplicate of this bug. ***
Comment 4 Svata Dedic 2013-05-06 13:04:49 UTC
Fixed in http://hg.netbeans.org/jet-main/rev/09c24b4954ff
Comment 5 Svata Dedic 2013-05-07 06:15:06 UTC
*** Bug 229345 has been marked as a duplicate of this bug. ***
Comment 6 Quality Engineering 2013-05-09 02:36:05 UTC
Integrated into 'main-golden', will be available in build *201305082300* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
Changeset: http://hg.netbeans.org/main-golden/rev/09c24b4954ff
User: Svata Dedic <sdedic@netbeans.org>
Log: #229349: handle null JComponent target, disable actions