{"action":"opened","issue":{"url":"https://api.github.com/repos/aegoroff/logviewer/issues/110","labels_url":"https://api.github.com/repos/aegoroff/logviewer/issues/110/labels{/name}","comments_url":"https://api.github.com/repos/aegoroff/logviewer/issues/110/comments","events_url":"https://api.github.com/repos/aegoroff/logviewer/issues/110/events","html_url":"https://github.com/aegoroff/logviewer/issues/110","id":118714001,"number":110,"title":"Unhandled exception occured on EGOROFF at 2015-11-24T22:08:54. App version: 1.0.0.0","user":{"login":"aegoroff","id":2218102,"avatar_url":"https://avatars.githubusercontent.com/u/2218102?v=3","gravatar_id":"","url":"https://api.github.com/users/aegoroff","html_url":"https://github.com/aegoroff","followers_url":"https://api.github.com/users/aegoroff/followers","following_url":"https://api.github.com/users/aegoroff/following{/other_user}","gists_url":"https://api.github.com/users/aegoroff/gists{/gist_id}","starred_url":"https://api.github.com/users/aegoroff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aegoroff/subscriptions","organizations_url":"https://api.github.com/users/aegoroff/orgs","repos_url":"https://api.github.com/users/aegoroff/repos","events_url":"https://api.github.com/users/aegoroff/events{/privacy}","received_events_url":"https://api.github.com/users/aegoroff/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/aegoroff/logviewer/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/aegoroff/logviewer/labels/exception","name":"exception","color":"d4c5f9"},{"url":"https://api.github.com/repos/aegoroff/logviewer/labels/severity-high","name":"severity-high","color":"eb6420"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-11-24T22:08:52Z","updated_at":"2015-11-24T22:08:53Z","closed_at":null,"body":"System.NullReferenceException: Object reference not set to an instance of an object.\r\n   at logviewer.core.VirtualizingCollection`1.System.Collections.IList.get_Item(Int32 index) in D:\\prj\\logviewer\\logviewer.core\\VirtualizingCollection.cs:line 191\r\n   at System.Windows.Controls.VirtualizingStackPanel.ComputeFirstItemInViewportIndexAndOffset(IList items, Int32 itemCount, IContainItemStorage itemStorageProvider, Rect viewport, VirtualizationCacheLength cacheSize, Boolean isHorizontal, Boolean areContainersUniformlySized, Double uniformOrAverageContainerSize, Double& firstItemInViewportOffset, Int32& firstItemInViewportIndex, Boolean& foundFirstItemInViewport)\r\n   at System.Windows.Controls.VirtualizingStackPanel.MeasureOverrideImpl(Size constraint, Nullable`1& lastPageSafeOffset, List`1& previouslyMeasuredOffsets, Nullable`1& lastPagePixelSize, Boolean remeasure)\r\n   at System.Windows.Controls.VirtualizingStackPanel.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)\r\n   at System.Windows.Controls.ItemsPresenter.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)\r\n   at System.Windows.Controls.ScrollContentPresenter.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)\r\n   at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV, Boolean& hasDesiredSizeUChanged)\r\n   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.ScrollViewer.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Border.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Control.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.DockPanel.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)\r\n   at System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Decorator.MeasureOverride(Size constraint)\r\n   at System.Windows.Documents.AdornerDecorator.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.Window.MeasureOverrideHelper(Size constraint)\r\n   at System.Windows.Window.MeasureOverride(Size availableSize)\r\n   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)\r\n   at System.Windows.UIElement.Measure(Size availableSize)\r\n   at System.Windows.ContextLayoutManager.UpdateLayout()\r\n   at System.Windows.Controls.VirtualizingStackPanel.<>c__DisplayClass94_0.<InitializeViewport>b__0()\r\n   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)\r\n   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)"}}