DefaultCodeFormatter: IllegalArgumentException on save

eclipse.buildId=4.31.0.I20240220-1800
java.version=21.0.2

while i had a noncompiling java code i ran into error on save:


The last Logentry is:
```
!ENTRY org.eclipse.jdt.ui 4 10006 2024-03-05 10:14:55.558
!MESSAGE The save participant 'org.eclipse.jdt.ui.postsavelistener.cleanup' caused an exception: java.lang.RuntimeException: Error formating /org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/about/AboutPluginsPage.java
!STACK 0
java.lang.RuntimeException: Error formating /org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/about/AboutPluginsPage.java
at org.eclipse.jdt.internal.ui.fix.CodeFormatCleanUp.createFix(CodeFormatCleanUp.java:74)
at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.calculateChange(CleanUpRefactoring.java:769)
at org.eclipse.jdt.internal.corext.fix.CleanUpPostSaveListener.saved(CleanUpPostSaveListener.java:385)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider$4.run(CompilationUnitDocumentProvider.java:1611)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.notifyPostSaveListeners(CompilationUnitDocumentProvider.java:1605)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.commitWorkingCopy(CompilationUnitDocumentProvider.java:1389)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider$3.execute(CompilationUnitDocumentProvider.java:1464)
at org.eclipse.ui.editors.text.TextFileDocumentProvider$DocumentProviderOperation.run(TextFileDocumentProvider.java:133)
at org.eclipse.ui.actions.WorkspaceModifyDelegatingOperation.execute(WorkspaceModifyDelegatingOperation.java:71)
at org.eclipse.ui.actions.WorkspaceModifyOperation.lambda$0(WorkspaceModifyOperation.java:112)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2448)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2473)
at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:131)
at org.eclipse.ui.internal.editors.text.WorkspaceOperationRunner.run(WorkspaceOperationRunner.java:76)
at org.eclipse.ui.internal.editors.text.WorkspaceOperationRunner.run(WorkspaceOperationRunner.java:66)
at org.eclipse.ui.editors.text.TextFileDocumentProvider.executeOperation(TextFileDocumentProvider.java:461)
at org.eclipse.ui.editors.text.TextFileDocumentProvider.saveDocument(TextFileDocumentProvider.java:783)
at org.eclipse.ui.texteditor.AbstractTextEditor.performSave(AbstractTextEditor.java:5019)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.performSave(CompilationUnitEditor.java:1267)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.doSave(CompilationUnitEditor.java:1321)
at org.eclipse.ui.texteditor.AbstractTextEditor$TextEditorSavable.doSave(AbstractTextEditor.java:7234)
at org.eclipse.ui.Saveable.doSave(Saveable.java:213)
at org.eclipse.ui.internal.SaveableHelper.doSaveModel(SaveableHelper.java:317)
at org.eclipse.ui.internal.SaveableHelper.lambda$1(SaveableHelper.java:195)
at org.eclipse.ui.internal.SaveableHelper.lambda$3(SaveableHelper.java:261)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
at org.eclipse.ui.internal.WorkbenchWindow.lambda$7(WorkbenchWindow.java:2335)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2332)
at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:268)
at org.eclipse.ui.internal.SaveableHelper.saveModels(SaveableHelper.java:206)
at org.eclipse.ui.internal.SaveableHelper.savePart(SaveableHelper.java:150)
at org.eclipse.ui.internal.WorkbenchPage.saveSaveable(WorkbenchPage.java:3819)
at org.eclipse.ui.internal.WorkbenchPage.saveEditor(WorkbenchPage.java:3832)
at org.eclipse.ui.internal.handlers.SaveHandler.execute(SaveHandler.java:81)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:277)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:298)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:232)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:569)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:644)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:439)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:96)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1287)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1065)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1090)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1075)
at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1117)
at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1113)
at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1594)
at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4866)
at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:345)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4744)
at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:340)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5039)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(Native Method)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3658)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1042)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:152)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:639)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:546)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:143)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:109)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:439)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:271)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
Caused by: java.lang.IllegalArgumentException: range exceeded:24004[off:21950length:-1], [off:22569length:5], [off:23048length:2]
at org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.assertRegionPreconditions(DefaultCodeFormatter.java:479)
at org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.format(DefaultCodeFormatter.java:176)
at org.eclipse.jdt.internal.corext.util.CodeFormatterUtil.reformat(CodeFormatterUtil.java:396)
at org.eclipse.jdt.internal.corext.fix.CodeFormatFix.createCleanUp(CodeFormatFix.java:81)
at org.eclipse.jdt.internal.ui.fix.CodeFormatCleanUp.createFix(CodeFormatCleanUp.java:65)
... 87 more
```

Start with org.eclipse.jdt.internal.ui.fix.CodeFormatCleanUp.java and org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.java, following the save path shown in the stack trace. Reproduce the reported save of noncompiling Java code and investigate the range-precondition failure. Done means saving no longer raises the reported IllegalArgumentException.

Written by the indexing model from the issue text.