Bug 578408 - NPE in org.eclipse.ui.texteditor.AbstractTextEditor$TextEditorSavable.isDirty
Summary: NPE in org.eclipse.ui.texteditor.AbstractTextEditor$TextEditorSavable.isDirty
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: UI (show other bugs)
Version: 4.22   Edit
Hardware: PC Linux
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Platform-UI-Inbox CLA
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Depends on: 550336
Blocks:
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Reported: 2022-01-27 10:08 EST by Christoph Laeubrich CLA
Modified: 2022-01-27 10:12 EST (History)
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Description Christoph Laeubrich CLA 2022-01-27 10:08:47 EST 
From the eclipse error log:

java.lang.NullPointerException
	at org.eclipse.ui.texteditor.AbstractTextEditor$TextEditorSavable.isDirty(AbstractTextEditor.java:7161)
	at org.eclipse.ui.internal.Workbench.getFilteredSaveables(Workbench.java:3447)
	at org.eclipse.ui.internal.Workbench.saveAll(Workbench.java:3420)
	at org.eclipse.egit.ui.UIUtils.saveAllEditors(UIUtils.java:894)
	at org.eclipse.egit.ui.internal.staging.StagingView.internalCommit(StagingView.java:4494)
	at org.eclipse.egit.ui.internal.staging.StagingView.commit(StagingView.java:4453)
	at org.eclipse.egit.ui.internal.staging.StagingView$21.widgetSelected(StagingView.java:1154)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:252)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5895)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1515)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:5126)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4581)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1154)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1045)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:156)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
Comment 1 Christoph Laeubrich CLA 2022-01-27 10:10:10 EST 
There is a reference in the code:

// This should not happen. Code added to handle the below bug.
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=550336

So actually it *IS* happening ...