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Bug 8227 - NullPointerException in DataShadow
Summary: NullPointerException in DataShadow
Status: CLOSED FIXED
Alias: None
Product: platform
Classification: Unclassified
Component: Window System (show other bugs)
Version: 3.x
Hardware: Other All
: P1 blocker (vote)
Assignee: akemr
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2000-11-07 10:35 UTC by akemr
Modified: 2008-12-23 11:15 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:

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Description akemr 2000-11-07 10:35:23 UTC 
When original DataObject became null,
then after unmounting filesystem (which contains original DO)
appears this error:

Tue Nov 07 10:52:05 GMT+01:00 2000java.lang.NullPointerException: null
java.lang.NullPointerException
        at org.openide.loaders.DataShadow.checkOriginal(DataShadow.java:300)
        at org.openide.loaders.DataShadow.refresh(DataShadow.java:489)
        at org.openide.loaders.DataShadow.checkValidity(DataShadow.java:152)
        at org.openide.loaders.ShadowChangeAdapter.checkDataShadows
(ShadowChangeAdapter.java:50)
        at org.openide.loaders.ShadowChangeAdapter.fileSystemRemoved
(ShadowChangeAdapter.java:64)
        at org.openide.filesystems.Repository.fireFileSystem
(Repository.java:430)
        at org.openide.filesystems.Repository.removeFileSystem
(Repository.java:184)
        at org.netbeans.modules.web.context.WebContextLoader.convert
(WebContextLoader.java:210)
        at org.netbeans.modules.web.context.WebAppWizardIterator.instantiate
(WebAppWizardIterator.java:162)
        at org.openide.loaders.TemplateWizard.handleInstantiate
(TemplateWizard.java:331)
        at org.openide.loaders.TemplateWizard.instantiateImpl
(TemplateWizard.java:321)
        at org.openide.loaders.TemplateWizard.instantiate
(TemplateWizard.java:294)
        at org.openide.actions.NewTemplateAction$TemplateActionListener.accept
(NewTemplateAction.java:202)
        at org.openide.explorer.view.MenuView$MenuItem.doClick
(MenuView.java:482)
        at
javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased
(BasicMenuItemUI.java:886)
        at java.awt.Component.processMouseEvent(Component.java:3717)
        at java.awt.Component.processEvent(Component.java:3546)
        at java.awt.Container.processEvent(Container.java:1164)
        at java.awt.Component.dispatchEventImpl(Component.java:2595)
        at java.awt.Container.dispatchEventImpl(Container.java:1213)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.LightweightDispatcher.retargetMouseEvent
(Container.java:2451)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2216)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125)
        at java.awt.Container.dispatchEventImpl(Container.java:1200)
        at java.awt.Window.dispatchEventImpl(Window.java:912)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:319)
        at java.awt.EventDispatchThread.pumpOneEvent
(EventDispatchThread.java:103)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:84)
Comment 1 akemr 2000-11-07 15:53:59 UTC 
Fixed. Not null value of original DataObject is now checked in refresh() method.
Comment 2 Marian Mirilovic 2002-03-29 17:14:30 UTC 
closed