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BibTeX Sniffer: stack runaway (nonresponsive & crash) when importing BibTeX for a one(1) document library #59

Closed
GerHobbelt opened this issue Aug 26, 2019 · 1 comment
Closed

BibTeX Sniffer: stack runaway (nonresponsive & crash) when importing BibTeX for a one(1) document library #59

GerHobbelt opened this issue Aug 26, 2019 · 1 comment
Labels
🐛bug Something isn't working
Milestone
v82

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@GerHobbelt
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HTR:

  • create a new library
  • import a raw PDF by any means. MUST NOT have any BibTeX!
  • select the document in library PDF list view
  • in the right side panel, click the Sniffer button
  • find the doc using Google Scholar
  • hit 'import BibTeX' in that browser panel
    💣

Stacktrace is about 9200 lines when the lock instrumentation fails (lock took 115ms to release), showing a runaway stack: note the Qiqqa TxtBibTeX_TextChanged -> MoveDelta -> ReflectPDFDocument runaway in the trace below. (only part of the stacktrace; look for the 'at Qiqqa.' lines in here:

       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.ReflectPDFDocument(String search_terms) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 625
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.MoveDelta(Int32 direction) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 356
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.TxtBibTeX_TextChanged(Object sender, TextChangedEventArgs e) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 289
       at System.Windows.Controls.TextChangedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
       at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
       at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
       at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
       at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
       at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextChanged(TextChangedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainerChangedEventHandler.Invoke(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextContainer.System.Windows.Documents.ITextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextRangeBase.EndChange(ITextRange thisRange, Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.System.Windows.Documents.ITextRange.EndChange(Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.ChangeBlock.System.IDisposable.Dispose()
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(String oldText, String newText)
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
       at System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.Activate(Object item)
       at System.Windows.Data.BindingExpression.OnDataContextChanged(DependencyObject contextElement)
       at System.Windows.Data.BindingExpression.HandlePropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
       at System.Windows.Data.BindingExpressionBase.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
       at System.Windows.Data.BindingExpression.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
       at System.Windows.DependentList.InvalidateDependents(DependencyObject source, DependencyPropertyChangedEventArgs sourceArgs)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.TreeWalkHelper.OnInheritablePropertyChanged(DependencyObject d, InheritablePropertyChangeInfo info, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1.StartWalk(DependencyObject startNode, Boolean skipStartNode)
       at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
       at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
       at System.Windows.FrameworkElement.set_DataContext(Object value)
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.ReflectPDFDocument(String search_terms) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 634
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.MoveDelta(Int32 direction) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 356
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.TxtBibTeX_TextChanged(Object sender, TextChangedEventArgs e) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 289
       at System.Windows.Controls.TextChangedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
       at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
       at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
       at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
       at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
       at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextChanged(TextChangedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainerChangedEventHandler.Invoke(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextContainer.System.Windows.Documents.ITextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextRangeBase.EndChange(ITextRange thisRange, Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.System.Windows.Documents.ITextRange.EndChange(Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.ChangeBlock.System.IDisposable.Dispose()
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(String oldText, String newText)
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
       at System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.Activate(Object item)
       at System.Windows.Data.BindingExpression.OnDataContextChanged(DependencyObject contextElement)
       at System.Windows.Data.BindingExpression.HandlePropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
       at System.Windows.Data.BindingExpressionBase.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
       at System.Windows.Data.BindingExpression.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
       at System.Windows.DependentList.InvalidateDependents(DependencyObject source, DependencyPropertyChangedEventArgs sourceArgs)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.TreeWalkHelper.OnInheritablePropertyChanged(DependencyObject d, InheritablePropertyChangeInfo info, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1._VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(FrameworkElement fe, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.VisitNode(DependencyObject d, Boolean visitedViaVisualTree)
       at System.Windows.DescendentsWalker`1.WalkLogicalChildren(FrameworkElement feParent, FrameworkContentElement fceParent, IEnumerator logicalChildren)
       at System.Windows.DescendentsWalker`1.WalkFrameworkElementLogicalThenVisualChildren(FrameworkElement feParent, Boolean hasLogicalChildren)
       at System.Windows.DescendentsWalker`1.IterateChildren(DependencyObject d)
       at System.Windows.DescendentsWalker`1.StartWalk(DependencyObject startNode, Boolean skipStartNode)
       at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
       at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
       at System.Windows.FrameworkElement.set_DataContext(Object value)
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.ReflectPDFDocument(String search_terms) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 625
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.MoveDelta(Int32 direction) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 356
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.TxtBibTeX_TextChanged(Object sender, TextChangedEventArgs e) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 289
       at System.Windows.Controls.TextChangedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
       at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
       at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
       at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
       at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
       at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextChanged(TextChangedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainerChangedEventHandler.Invoke(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextContainer.System.Windows.Documents.ITextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextRangeBase.EndChange(ITextRange thisRange, Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.System.Windows.Documents.ITextRange.EndChange(Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.ChangeBlock.System.IDisposable.Dispose()
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(String oldText, String newText)
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
       at System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.ScheduleTransfer(Boolean isASubPropertyChange)
       at MS.Internal.Data.ClrBindingWorker.NewValueAvailable(Boolean dependencySourcesChanged, Boolean initialValue, Boolean isASubPropertyChange)
       at MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange)
       at MS.Internal.Data.ClrBindingWorker.OnSourcePropertyChanged(Object o, String propName)
       at MS.Internal.Data.PropertyPathWorker.OnPropertyChanged(Object sender, PropertyChangedEventArgs e)
       at System.Windows.WeakEventManager.ListenerList`1.DeliverEvent(Object sender, EventArgs e, Type managerType)
       at System.ComponentModel.PropertyChangedEventManager.OnPropertyChanged(Object sender, PropertyChangedEventArgs args)
       at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
       at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
       at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
       at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
       at Utilities.Reflection.AugmentedBindable`1.FirePropertyChangedEventHandler(Object sender, PropertyChangedEventArgs e) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 97
       at Utilities.Reflection.AugmentedBindable`1.FirePropertyChanged(Object sender, String property_name) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 153
       at Utilities.Reflection.AugmentedBindable`1.NotifyPropertyChanged_THREADSAFE(Object property_name_obj) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 141
       at Utilities.Reflection.AugmentedBindable`1.NotifyPropertyChanged(String property_name) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 130
       at Utilities.Reflection.AugmentedBindable`1.NotifyPropertyChanged[U](Expression`1 property) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 123
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.TxtBibTeX_TextChanged(Object sender, TextChangedEventArgs e) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 286
       at System.Windows.Controls.TextChangedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
       at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
       at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
       at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
       at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
       at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextChanged(TextChangedEventArgs e)
       at System.Windows.Controls.Primitives.TextBoxBase.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainerChangedEventHandler.Invoke(Object sender, TextContainerChangedEventArgs e)
       at System.Windows.Documents.TextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextContainer.System.Windows.Documents.ITextContainer.EndChange(Boolean skipEvents)
       at System.Windows.Documents.TextRangeBase.EndChange(ITextRange thisRange, Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.System.Windows.Documents.ITextRange.EndChange(Boolean disableScroll, Boolean skipEvents)
       at System.Windows.Documents.TextRange.ChangeBlock.System.IDisposable.Dispose()
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(String oldText, String newText)
       at System.Windows.Controls.TextBox.OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.Controls.TextBox.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
       at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
       at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
       at System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
       at System.Windows.Data.BindingExpression.ScheduleTransfer(Boolean isASubPropertyChange)
       at MS.Internal.Data.ClrBindingWorker.NewValueAvailable(Boolean dependencySourcesChanged, Boolean initialValue, Boolean isASubPropertyChange)
       at MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange)
       at MS.Internal.Data.ClrBindingWorker.OnSourcePropertyChanged(Object o, String propName)
       at MS.Internal.Data.PropertyPathWorker.OnPropertyChanged(Object sender, PropertyChangedEventArgs e)
       at System.Windows.WeakEventManager.ListenerList`1.DeliverEvent(Object sender, EventArgs e, Type managerType)
       at System.ComponentModel.PropertyChangedEventManager.OnPropertyChanged(Object sender, PropertyChangedEventArgs args)
       at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
       at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
       at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
       at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
       at Utilities.Reflection.AugmentedBindable`1.FirePropertyChangedEventHandler(Object sender, PropertyChangedEventArgs e) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 97
       at Utilities.Reflection.AugmentedBindable`1.FirePropertyChanged(Object sender, String property_name) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 153
       at Utilities.Reflection.AugmentedBindable`1.NotifyPropertyChanged_THREADSAFE(Object property_name_obj) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 141
       at Utilities.Reflection.AugmentedBindable`1.NotifyPropertyChanged(String property_name) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 130
       at Utilities.Reflection.AugmentedBindable`1.NotifyPropertyChanged[U](Expression`1 property) in \qiqqa\Utilities\Reflection\AugmentedBindable.cs:line 123
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.UseAsBibTeX(String text) in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 895
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.ReflectLatestBrowserContent() in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 765
       at Qiqqa.Documents.PDF.PDFControls.MetadataControls.GoogleBibTexSnifferControl.ObjWebBrowser_PageLoaded() in \qiqqa\Qiqqa\Documents\PDF\PDFControls\MetadataControls\GoogleBibTexSnifferControl.xaml.cs:line 709
       at Qiqqa.WebBrowsing.WebBrowserHostControl.ObjWebBrowser_LoadCompleted(WebBrowserControl wbc) in \qiqqa\Qiqqa\WebBrowsing\WebBrowserHostControl.xaml.cs:line 527
       at Qiqqa.WebBrowsing.WebBrowserControl.ObjWebBrowser_DocumentCompleted(Object sender, EventArgs e) in \qiqqa\Qiqqa\WebBrowsing\WebBrowserControl.xaml.cs:line 58
       at Gecko.GeckoWebBrowser.OnDocumentCompleted(GeckoDocumentCompletedEventArgs e) in c:\Users\hindlet\Documents\Visual Studio 2012\Projects\geckofx-33.0\Geckofx-Winforms\GeckoWebBrowser.Events.cs:line 257
       at Gecko.GeckoWebBrowser.Gecko.nsIWebProgressListener.OnStateChange(nsIWebProgress aWebProgress, nsIRequest aRequest, UInt32 aStateFlags, Int32 aStatus) in c:\Users\hindlet\Documents\Visual Studio 2012\Projects\geckofx-33.0\Geckofx-Winforms\GeckoWebBrowser.cs:line 1698
       at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
       at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
       at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
       at System.Windows.Application.RunDispatcher(Object ignore)
       at System.Windows.Application.RunInternal(Window window)
       at System.Windows.Application.Run(Window window)
       at System.Windows.Application.Run()
       at Qiqqa.Main.MainEntry.Main() in \qiqqa\Qiqqa\Main\MainEntry.cs:line 225
GerHobbelt added a commit to GerHobbelt/qiqqa-open-source that referenced this issue Aug 26, 2019
@GerHobbelt
fix jimmejardine#59: don't reflect if we didn't change.
de15f0d 
We start with a dummy fingerprint to ensure that we will observe ANY initial setup/change as significant for otherwise we don't get the initial PDF document rendered at all!

We use the PDF Fingerprint as a check for change as the numeric `pdf_documents_search_index` value might look easier but doesn't show us any library updates that may have happened in the meantime.
@GerHobbelt GerHobbelt changed the title BibTeX Sniffer: stack runaway (nonresponsive & crash) when importing BibTeX for a one(1) document library ✅BibTeX Sniffer: stack runaway (nonresponsive & crash) when importing BibTeX for a one(1) document library Aug 26, 2019
This was referenced Aug 26, 2019
Closed
Closed
GerHobbelt added a commit to GerHobbelt/qiqqa-open-source that referenced this issue Aug 26, 2019
@GerHobbelt
fix: jimmejardine#60 + jimmejardine#39 + better fix for jimmejardine#59
6148b13 
check how many PDF files actually match and only move forward when we don't end up full circle. don't reflect if we didn't change. when we re-render the same document, we don't move at all!
@GerHobbelt
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Closing and decluttering the issue list so it stays workable for me: fixed in https://github.com/GerHobbelt/qiqqa-open-source mainline=master branch, pending #15 / any maintainer rights/actions.

@GerHobbelt GerHobbelt mentioned this issue Sep 3, 2019
Closed
GerHobbelt added a commit to GerHobbelt/qiqqa-open-source that referenced this issue Oct 2, 2019
@GerHobbelt
fix jimmejardine#59: don't reflect if we didn't change.
8ee8ac6 
We start with a dummy fingerprint to ensure that we will observe ANY initial setup/change as significant for otherwise we don't get the initial PDF document rendered at all!

We use the PDF Fingerprint as a check for change as the numeric `pdf_documents_search_index` value might look easier but doesn't show us any library updates that may have happened in the meantime.
GerHobbelt added a commit to GerHobbelt/qiqqa-open-source that referenced this issue Oct 2, 2019
@GerHobbelt
fix: jimmejardine#60 + jimmejardine#39 + better fix for jimmejardine#59
aaeae9b 
check how many PDF files actually match and only move forward when we don't end up full circle. don't reflect if we didn't change. when we re-render the same document, we don't move at all!
GerHobbelt added a commit to GerHobbelt/qiqqa-open-source that referenced this issue Oct 3, 2019
@GerHobbelt
fix jimmejardine#59: don't reflect if we didn't change.
2e497df 
We start with a dummy fingerprint to ensure that we will observe ANY initial setup/change as significant for otherwise we don't get the initial PDF document rendered at all!

We use the PDF Fingerprint as a check for change as the numeric `pdf_documents_search_index` value might look easier but doesn't show us any library updates that may have happened in the meantime.
GerHobbelt added a commit to GerHobbelt/qiqqa-open-source that referenced this issue Oct 3, 2019
@GerHobbelt
fix: jimmejardine#60 + jimmejardine#39 + better fix for jimmejardine#59
9b75914 
check how many PDF files actually match and only move forward when we don't end up full circle. don't reflect if we didn't change. when we re-render the same document, we don't move at all!
@GerHobbelt GerHobbelt changed the title ✅BibTeX Sniffer: stack runaway (nonresponsive & crash) when importing BibTeX for a one(1) document library BibTeX Sniffer: stack runaway (nonresponsive & crash) when importing BibTeX for a one(1) document library Oct 4, 2019
@GerHobbelt GerHobbelt added the 🐛bug Something isn't working label Oct 4, 2019
@GerHobbelt GerHobbelt added this to the v82 milestone Oct 4, 2019
GerHobbelt added a commit that referenced this issue Nov 5, 2019
@GerHobbelt
fix #59: don't reflect if we didn't change.
4e791e8 
We start with a dummy fingerprint to ensure that we will observe ANY initial setup/change as significant for otherwise we don't get the initial PDF document rendered at all!

We use the PDF Fingerprint as a check for change as the numeric `pdf_documents_search_index` value might look easier but doesn't show us any library updates that may have happened in the meantime.
GerHobbelt added a commit that referenced this issue Nov 5, 2019
@GerHobbelt
fix: #60 + #39 + better fix for #59
be0d54f 
check how many PDF files actually match and only move forward when we don't end up full circle. don't reflect if we didn't change. when we re-render the same document, we don't move at all!
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