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Bug 359980 - NullPointerException in Ant Runtime preferences and ant builds
Summary: NullPointerException in Ant Runtime preferences and ant builds
Status: RESOLVED WORKSFORME
Alias: None
Product: Platform
Classification: Eclipse Project
Component: Ant (show other bugs)
Version: 3.8   Edit
Hardware: PC Linux
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Platform-Ant-Inbox CLA
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-10-05 09:24 EDT by xavier poinsard CLA
Modified: 2011-10-12 15:55 EDT (History)
2 users (show)

See Also:


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Description xavier poinsard CLA 2011-10-05 09:24:09 EDT
Build Identifier: 20110916-0149

When trying to access Ant Runtime preferences I have got a message saying "The current displayed page contains invalid values". The preferences aren't displayed.
This doesn't happen in a new workspace.
Here is the log :
!ENTRY org.eclipse.jface 4 2 2011-10-05 14:57:38.893
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
org.eclipse.core.runtime.AssertionFailedException: null argument:
        at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)
        at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)
        at org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:599)
        at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1011)
        at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:703)
        at org.eclipse.jface.viewers.AbstractTableViewer.getRawChildren(AbstractTableViewer.java:1087)
        at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:917)
        at org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(StructuredViewer.java:1067)
        at org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:701)
        at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:649)
        at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:636)
        at org.eclipse.jface.viewers.AbstractTableViewer$2.run(AbstractTableViewer.java:592)
        at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443)
        at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404)
        at org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(AbstractTableViewer.java:590)
        at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280)
        at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1690)
        at org.eclipse.ant.internal.ui.preferences.AntPropertiesBlock.setPropertiesInput(AntPropertiesBlock.java:557)
        at org.eclipse.ant.internal.ui.preferences.AntPropertiesPage.initialize(AntPropertiesPage.java:82)
        at org.eclipse.ant.internal.ui.preferences.AntRuntimePreferencePage.createContents(AntRuntimePreferencePage.java:88)
        at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:232)
        at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1501)
        at org.eclipse.jface.preference.PreferenceDialog$14.run(PreferenceDialog.java:1258)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
        at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
        at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
        at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1252)
        at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:674)
        at org.eclipse.jface.preference.PreferenceDialog$10.run(PreferenceDialog.java:708)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
        at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:704)
        at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:888)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
        at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
        at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
        at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:886)
        at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1226)
        at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1251)
        at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:262)
        at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:256)
        at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:433)
        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
        at org.eclipse.jface.window.Window.open(Window.java:801)
        at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215)
        at org.eclipse.ui.internal.handlers.ShowPreferencePageHandler.execute(ShowPreferencePageHandler.java:54)
        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.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)
        at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
        at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
        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:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        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)


Reproducible: Always
Comment 1 Dani Megert CLA 2011-10-05 09:29:29 EDT
I cannot reproduce this on my Windows 7 machine.
Comment 2 Michael Rennie CLA 2011-10-12 11:12:00 EDT
I cannot reproduce either, Xavier do you have any other steps to reproduce?
Comment 3 xavier poinsard CLA 2011-10-12 11:18:09 EDT
As I wrote I can only reproduce it on some workspaces, but I don't have any step by step way to reproduce it.
I think it may be related with a plugin manipulating Ant properties.
Comment 4 Michael Rennie CLA 2011-10-12 15:55:09 EDT
> As I wrote I can only reproduce it on some workspaces, but I don't have any
> step by step way to reproduce it.
> I think it may be related with a plugin manipulating Ant properties.

Without further steps / information, I will have to mark as worksforme