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Setting editor font in settings throws a NPE #5

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. start eclipse (w. -noSplash of course)
2. go to settings -> appearance -> colors and fonts
3. select a font in Basic -> Text Font
4. press Apply

What is the expected output? What do you see instead?

A NullPointerException occurs. trace :

java.lang.NullPointerException
    at org.eclipse.swt.graphics.Font.equals(Font.java:224)
    at org.eclipse.swt.widgets.TreeItem.setFont(TreeItem.java:1218)
    at org.eclipse.jface.viewers.TreeViewerRow.setFont(TreeViewerRow.java:144)
    at org.eclipse.jface.viewers.ViewerCell.setFont(ViewerCell.java:149)
    at org.eclipse.jface.viewers.WrappedViewerLabelProvider.update(WrappedViewerLabelProvider.java:172)
    at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:145)
    at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:932)
    at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:102)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.runtime.Platform.run(Platform.java:888)
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
    at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1012)
    at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1831)
    at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1846)
    at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1846)
    at org.eclipse.jface.viewers.AbstractTreeViewer.labelProviderChanged(AbstractTreeViewer.java:2118)
    at org.eclipse.jface.viewers.ContentViewer.handleLabelProviderChanged(ContentViewer.java:193)
    at org.eclipse.jface.viewers.StructuredViewer.handleLabelProviderChanged(StructuredViewer.java:1142)
    at org.eclipse.jface.viewers.ContentViewer$1.labelProviderChanged(ContentViewer.java:97)
    at org.eclipse.jface.viewers.BaseLabelProvider$1.run(BaseLabelProvider.java:74)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.runtime.Platform.run(Platform.java:888)
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
    at org.eclipse.jface.viewers.BaseLabelProvider.fireLabelProviderChanged(BaseLabelProvider.java:72)
    at org.eclipse.ui.internal.themes.ColorsAndFontsPreferencePage$PresentationLabelProvider.clearFontCacheAndUpdate(ColorsAndFontsPreferencePage.java:400)
    at org.eclipse.ui.internal.themes.ColorsAndFontsPreferencePage.updateForDialogFontChange(ColorsAndFontsPreferencePage.java:1433)
    at org.eclipse.ui.internal.themes.ColorsAndFontsPreferencePage.performApply(ColorsAndFontsPreferencePage.java:1195)
    at org.eclipse.jface.preference.PreferencePage$2.widgetSelected(PreferencePage.java:281)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:266)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1033)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1060)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1039)
    at org.eclipse.swt.widgets.Button.clickEvent(Button.java:202)
    at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.trolltech.qt.internal.QSignalEmitterInternal$AbstractSignalInternal.emit_helper(QSignalEmitterInternal.java:368)
    at com.trolltech.qt.QSignalEmitter$Signal0.emit(QSignalEmitter.java:193)
    at com.trolltech.qt.core.QCoreApplication.__qt_processEvents_ProcessEventsFlags_int(Native Method)
    at com.trolltech.qt.core.QCoreApplication.processEvents(QCoreApplication.java:158)
    at org.eclipse.swt.widgets.Display.sleep(Display.java:2813)
    at org.eclipse.jface.window.Window.runEventLoop(Window.java:826)
    at org.eclipse.jface.window.Window.open(Window.java:801)
    at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:211)
    at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
    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$5.handleEvent(ActionContributionItem.java:411)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1033)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1060)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1043)
    at org.eclipse.swt.widgets.MenuItem.triggerEvent(MenuItem.java:208)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.trolltech.qt.internal.QSignalEmitterInternal$AbstractSignalInternal.emit_helper(QSignalEmitterInternal.java:368)
    at com.trolltech.qt.QSignalEmitter$Signal1.emit(QSignalEmitter.java:209)
    at com.trolltech.qt.core.QCoreApplication.__qt_processEvents_ProcessEventsFlags_int(Native Method)
    at com.trolltech.qt.core.QCoreApplication.processEvents(QCoreApplication.java:158)
    at org.eclipse.swt.widgets.Display.sleep(Display.java:2813)
    at org.eclipse.ui.application.WorkbenchAdvisor.eventLoopIdle(WorkbenchAdvisor.java:364)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2406)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
    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:368)
    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:559)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

What version of the product are you using? On what operating system?

java.version=1.6.0_16
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -product 
org.eclipse.epp.package.jee.product

Please provide any additional information below.

With Qt it looks great! I got my vertical screen real estate back in the 
treeview! woohoo!

Original issue reported on code.google.com by mailsan...@gmx.net on 6 Mar 2011 at 12:00

GoogleCodeExporter commented 8 years ago 
sorry I lost a little track and didnt check that there were new messages…

The answer is that there is no current development from our side. The current 
implementation is also not complete or error-free but as-is. If you like to 
contribute, let us know.

Original comment by christia...@gmail.com on 7 Mar 2012 at 10:59