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NullReferenceException in ClassifierTagger #1

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mrward opened this issue May 6, 2022 · 0 comments
Open

NullReferenceException in ClassifierTagger #1

mrward opened this issue May 6, 2022 · 0 comments

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@mrward
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mrward commented May 6, 2022

Seeing this in VS Mac 17.1.

Failed assertion: System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierTagger.GetTags(NormalizedSnapshotSpanCollection spans)+MoveNext() in /Users/runner/work/1/s/src/Editor/Text/Impl/ClassificationAggregator/ClassifierTagger.cs:line 38
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.GetTagsForBuffer(NormalizedSnapshotSpanCollection snapshotSpans, BufferState taggersForBuffer, ITextSnapshot root, Nullable`1 cancel)+MoveNext() in /Users/runner/work/1/s/src/Editor/Text/Impl/TagAggregator/TagAggregator.cs:line 494
   at Microsoft.VisualStudio.Editor.Implementation.ExtensionErrorHandler.Fail(System.String message)
   at Microsoft.VisualStudio.Editor.Implementation.ExtensionErrorHandler.HandleError(System.Object sender, System.Exception exception)
   at Microsoft.VisualStudio.Text.Utilities.GuardedOperations.HandleException(System.Object errorSource, System.Exception e)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1+<GetTagsForBuffer>d__49.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.CocoaNormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, ICocoaClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.CocoaNormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, ICocoaClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.CocoaFormattedLineSource.Microsoft.VisualStudio.Text.Formatting.ICocoaFormattedLineSource.FormatLineInVisualBuffer(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView+LayoutLineCache.DoAnchorFormat(SnapshotPoint anchorPosition, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.DoAnchorLayout(Microsoft.VisualStudio.Text.Editor.Implementation.LayoutDescription layout, SnapshotPoint anchorPosition, Double verticalDistance, Double topToBaselineDistance, ViewRelativePosition relativeTo, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.AdvanceSnapshot(Microsoft.VisualStudio.Text.TextSnapshotChangedEventArgs e)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.AdvanceSnapshotOnUIThread(Microsoft.VisualStudio.Text.TextSnapshotChangedEventArgs e)
   at Microsoft.VisualStudio.Text.Editor.Implementation.BaseTextView.OnVisualBufferChanged(System.Object sender, Microsoft.VisualStudio.Text.TextContentChangedEventArgs e)
   at Microsoft.VisualStudio.Text.Utilities.GuardedOperations.RaiseEvent(System.Object sender, System.EventHandler`1 eventHandlers, Microsoft.VisualStudio.Text.Utilities.TArgs args)
   at Microsoft.VisualStudio.Text.Implementation.BaseBuffer.RawRaiseEvent(Microsoft.VisualStudio.Text.TextContentChangedEventArgs args, Boolean immediate)
   at Microsoft.VisualStudio.Text.Implementation.BaseBuffer+TextContentChangedEventRaiser.RaiseEvent(Microsoft.VisualStudio.Text.Implementation.BaseBuffer baseBuffer, Boolean immediate)
   at Microsoft.VisualStudio.Text.Implementation.BufferGroup.RaiseEvents()
   at Microsoft.VisualStudio.Text.Implementation.BufferGroup.FinishEdit()
   at Microsoft.VisualStudio.Text.Implementation.BaseBuffer+TextBufferEdit.Apply()
   at Microsoft.VisualStudio.Components.ConsoleViewController.WriteOutput(System.String text, Boolean allowEditing)
   at Microsoft.VisualStudio.Components.ConsoleViewController.WriteOutput(System.String text)
   at MonoDevelop.CSharpInteractive.CSharpInteractivePad.CreateConsoleView()
   at MonoDevelop.CSharpInteractive.CSharpInteractivePad.Initialize(IPadWindow window)
   at MonoDevelop.Ide.Gui.PadContent.Init(IPadWindow window)
   at MonoDevelop.Ide.Codons.PadCodon.InitializePadContent(IPadWindow window)
   at VisualStudioMac.UI.Pads.PadManager.CreatePadContent(Boolean force, MonoDevelop.Ide.Codons.PadCodon padCodon, VisualStudioMac.UI.Pads.PadWindow window, IDockItem item)
   at VisualStudioMac.UI.Pads.PadWindow.OnContentRequested()
   at VisualStudioMac.UI.Docking.DockItem.<get_Content>g__CreatePadContent|57_0()
   at VisualStudioMac.UI.Docking.DockItem.get_Content()
   at VisualStudioMac.UI.Docking.DockItem.LoadView()
   at System.RuntimeMethodHandle.InvokeMethod(System.Object target, Span`1 ByRef arguments, System.Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
   at ObjCRuntime.Runtime.InvokeMethod(System.Reflection.MethodBase method, System.Object instance, IntPtr native_parameters)
   at ObjCRuntime.Runtime.InvokeMethod(ObjCRuntime.MonoObject* methodobj, ObjCRuntime.MonoObject* instanceobj, IntPtr native_parameters)
   at ObjCRuntime.Runtime.bridge_runtime_invoke_method(ObjCRuntime.MonoObject* method, ObjCRuntime.MonoObject* instance, IntPtr parameters, IntPtr ByRef exception_gchandle)
   at ObjCRuntime.Messaging.NativeHandle_objc_msgSendSuper(IntPtr receiver, IntPtr selector)
   at ObjCRuntime.Messaging.NativeHandle_objc_msgSendSuper(IntPtr receiver, IntPtr selector)
   at AppKit.NSViewController.get_View()
   at VisualStudioMac.UI.Docking.DockItemViewController..ctor(IDockFrame dockFrame, VisualStudioMac.UI.Docking.Model.DockLayoutItem dockObject, VisualStudioMac.UI.Docking.DockItem dockItem, Boolean createTabBar)
   at VisualStudioMac.UI.Docking.DockFrame.CreateViewControllerForItem(VisualStudioMac.UI.Docking.Model.DockLayoutItem o, IDockItem item)
   at VisualStudioMac.UI.Docking.DockFrame.LoadRecursive(VisualStudioMac.UI.Docking.Model.DockLayoutGroup group, System.Collections.Generic.List`1 controllers, System.Collections.Generic.List`1 dockBarItems)
   at VisualStudioMac.UI.Docking.DockFrame.LoadRecursive(VisualStudioMac.UI.Docking.Model.DockLayoutGroup group, System.Collections.Generic.List`1 controllers, System.Collections.Generic.List`1 dockBarItems)
   at VisualStudioMac.UI.Docking.DockFrame.LoadRecursive(VisualStudioMac.UI.Docking.Model.DockLayoutGroup group, System.Collections.Generic.List`1 controllers, System.Collections.Generic.List`1 dockBarItems)
   at VisualStudioMac.UI.Docking.DockFrame.LoadRecursive(VisualStudioMac.UI.Docking.Model.DockLayoutGroup group, System.Collections.Generic.List`1 controllers, System.Collections.Generic.List`1 dockBarItems)
   at VisualStudioMac.UI.Docking.DockFrame.LoadLayout(VisualStudioMac.UI.Docking.Model.DockLayoutModel layout)
   at VisualStudioMac.UI.Docking.DockFrame.LayoutChangedHandler(System.Object sender, VisualStudioMac.UI.Docking.LayoutChangedEventArgs args)
   at VisualStudioMac.UI.Docking.LayoutManager.set_CurrentLayout(System.String value)
   at VisualStudioMac.CocoaWorkbenchController.set_CurrentLayout(System.String value)
   at MonoDevelop.Ide.Gui.Workbench.SetCurrentLayout(System.String name)
   at MonoDevelop.Ide.Gui.Workbench.EnsureLayout()
   at MonoDevelop.Ide.Gui.Workbench.Present()
   at MonoDevelop.Ide.RootWorkspace+<OpenWorkspaceItem>d__109.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start(System.Runtime.CompilerServices.TStateMachine ByRef stateMachine)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start(System.Runtime.CompilerServices.TStateMachine ByRef stateMachine)
   at MonoDevelop.Ide.RootWorkspace.OpenWorkspaceItem(FilePath file, Boolean closeCurrent, Boolean loadPreferences, MonoDevelop.Ide.OpenWorkspaceItemMetadata metadata)
   at MonoDevelop.Ide.RootWorkspace.OpenWorkspaceItem(FilePath file, Boolean closeCurrent, Boolean loadPreferences)
   at MonoDevelop.Ide.RootWorkspace.OpenWorkspaceItem(FilePath file, Boolean closeCurrent)
   at MonoDevelop.Ide.RootWorkspace.OpenWorkspaceItem(FilePath file)
   at MonoDevelop.Ide.Projects.NewProjectDialogController+<OpenCreatedSolution>d__162.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start(System.Runtime.CompilerServices.TStateMachine ByRef stateMachine)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start(System.Runtime.CompilerServices.TStateMachine ByRef stateMachine)
   at MonoDevelop.Ide.Projects.NewProjectDialogController.OpenCreatedSolution(MonoDevelop.Ide.Templates.ProcessedTemplateResult templateResult)
   at MonoDevelop.Ide.Projects.NewProjectDialogController+<Create>d__143.MoveNext()
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1.MoveNext(System.Threading.Thread threadPoolThread)
   at System.Threading.Tasks.AwaitTaskContinuation+<>c.<.cctor>b__17_0(System.Object state)
   at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback callback, System.Object state, System.Threading.Tasks.Task ByRef currentTask)
   at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task task, Boolean canInlineContinuationTask)
   at System.Threading.Tasks.Task.RunContinuations(System.Object continuationObject)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(System.Threading.Tasks.Task`1 task, System.Runtime.CompilerServices.TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult()
   at MonoDevelop.Ide.ProjectOperations+<SaveAsyncInternal>d__49.MoveNext()
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1.MoveNext(System.Threading.Thread threadPoolThread)
   at System.Threading.Tasks.AwaitTaskContinuation+<>c.<.cctor>b__17_0(System.Object state)
   at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback callback, System.Object state, System.Threading.Tasks.Task ByRef currentTask)
   at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task task, Boolean canInlineContinuationTask)
   at System.Threading.Tasks.Task.RunContinuations(System.Object continuationObject)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(System.Threading.Tasks.Task`1 task, System.Runtime.CompilerServices.TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult()
   at MonoDevelop.Projects.WorkspaceItem+<>c__DisplayClass39_0+<<SaveAsync>b__0>d.MoveNext()
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1.MoveNext(System.Threading.Thread threadPoolThread)
   at System.Threading.Tasks.AwaitTaskContinuation+<>c.<.cctor>b__17_0(System.Object state)
   at System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback callback, System.Object state, System.Threading.Tasks.Task ByRef currentTask)
   at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task task, Boolean canInlineContinuationTask)
   at System.Threading.Tasks.Task.RunContinuations(System.Object continuationObject)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(System.Threading.Tasks.Task`1 task, System.Runtime.CompilerServices.TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult()
   at MonoDevelop.Projects.Solution+<OnSaveUserProperties>d__78.MoveNext()
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1.MoveNext(System.Threading.Thread threadPoolThread)
   at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation+<>c.<.cctor>b__8_0(System.Object state)
   at Foundation.NSAsyncSynchronizationContextDispatcher.Apply()
   at System.RuntimeMethodHandle.InvokeMethod(System.Object target, Span`1 ByRef arguments, System.Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
   at ObjCRuntime.Runtime.InvokeMethod(System.Reflection.MethodBase method, System.Object instance, IntPtr native_parameters)
   at ObjCRuntime.Runtime.InvokeMethod(ObjCRuntime.MonoObject* methodobj, ObjCRuntime.MonoObject* instanceobj, IntPtr native_parameters)
   at ObjCRuntime.Runtime.bridge_runtime_invoke_method(ObjCRuntime.MonoObject* method, ObjCRuntime.MonoObject* instance, IntPtr parameters, IntPtr ByRef exception_gchandle)
   at AppKit.NSApplication.NSApplicationMain(Int32 argc, System.String[] argv)
   at AppKit.NSApplication.NSApplicationMain(Int32 argc, System.String[] argv)
   at AppKit.NSApplication.Main(System.String[] args)
   at VisualStudioMac.MainClass.Main(System.String[] args)
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@mrward