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Bug 344969

Summary: NPE when trying to navigate to next page in Install New Software wizard
Product: [Eclipse Project] Equinox Reporter: Tomasz Zarna <tomasz.zarna>
Component: p2Assignee: P2 Inbox <equinox.p2-inbox>
Status: RESOLVED FIXED QA Contact:
Severity: major    
Priority: P3 CC: aniefer, john.arthorne, matthew, Michael_Rennie
Version: 3.7   
Target Milestone: 3.7 RC1   
Hardware: PC   
OS: Windows XP   
Whiteboard:
Attachments:
Description Flags
patch pascal: review+

Description Tomasz Zarna CLA 2011-05-06 09:57:25 EDT 
I20110504-0800 (installed and updated with p2agent)

Trying to update JGit from http://download.eclipse.org/egit/updates-nightly. Just JGit.

-- Error Details --
Date: Fri May 06 15:53:30 CEST 2011
Message: Unhandled event loop exception
Severity: Error
Product: Eclipse SDK 3.7.0.v201105040800 (org.eclipse.sdk.ide)
Plugin: org.eclipse.ui
Session Data:
eclipse.buildId=I20110504-0800
java.fullversion=JRE 1.6.0 IBM J9 2.4 Windows XP x86-32 jvmwi3260sr7-20091214_49398 (JIT enabled, AOT enabled)
J9VM - 20091214_049398
JIT  - r9_20091123_13891
GC   - 20091111_AA
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=pl_PL
Command-line arguments:  -os win32 -ws win32 -arch x86

Exception Stack Trace:
java.lang.NullPointerException
	at org.eclipse.equinox.p2.ui.AcceptLicensesWizardPage.setVisible(AcceptLicensesWizardPage.java:496)
	at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1260)
	at org.eclipse.jface.wizard.WizardDialog.access$4(WizardDialog.java:1239)
	at org.eclipse.jface.wizard.WizardDialog$8.run(WizardDialog.java:1228)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1226)
	at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:915)
	at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:428)
	at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4163)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3752)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.eclipse.equinox.p2.ui.ProvisioningUI.openInstallWizard(ProvisioningUI.java:209)
	at org.eclipse.equinox.internal.p2.ui.sdk.InstallNewSoftwareHandler.doExecute(InstallNewSoftwareHandler.java:31)
	at org.eclipse.equinox.internal.p2.ui.sdk.PreloadingRepositoryHandler.doExecuteAndLoad(PreloadingRepositoryHandler.java:114)
	at org.eclipse.equinox.internal.p2.ui.sdk.PreloadingRepositoryHandler$1.run(PreloadingRepositoryHandler.java:68)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.equinox.internal.p2.ui.sdk.PreloadingRepositoryHandler.execute(PreloadingRepositoryHandler.java:66)
	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
	at org.eclipse.ui.menus.CommandContributionItem.handleWidgetSelection(CommandContributionItem.java:829)
	at org.eclipse.ui.menus.CommandContributionItem.access$19(CommandContributionItem.java:815)
	at org.eclipse.ui.menus.CommandContributionItem$5.handleEvent(CommandContributionItem.java:805)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4163)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3752)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
	at java.lang.reflect.Method.invoke(Method.java:600)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Comment 1 Andrew Niefer CLA 2011-05-06 13:41:38 EDT 
This is caused by the changes made for bug 335939, the iuViewer is null when setVisible is called
Comment 2 Andrew Niefer CLA 2011-05-06 13:55:51 EDT 
Created attachment 194966 [details]
patch

iuViewer is only not-null when there is more than one license to approve.
Comment 3 Andrew Niefer CLA 2011-05-06 14:35:40 EDT 
released.
Comment 4 Pascal Rapicault CLA 2011-05-06 14:41:57 EDT 
*** Bug 344889 has been marked as a duplicate of this bug. ***