Bug 14478 - NRE in TaskStore.cs:214
Summary: NRE in TaskStore.cs:214
Status: RESOLVED FIXED
Alias: None
Product: Xamarin Studio
Classification: Desktop
Component: Project Model ()
Version: unspecified
Hardware: PC Mac OS
: --- normal
Target Milestone: master
Assignee: Lluis Sanchez
URL:
Depends on:
Blocks:
 
Reported: 2013-09-06 08:42 UTC by Jeffrey Stedfast
Modified: 2017-01-10 18:49 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED FIXED

Description Jeffrey Stedfast 2013-09-06 08:42:00 UTC
I get this exception a LOT in my logs:

ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 22:59:02Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290 
ERROR [2013-09-05 23:05:14Z]: Error in SolutionClosed event.
System.NullReferenceException: Object reference not set to an instance of an object
  at MonoDevelop.Ide.Tasks.TaskStore+<GetItemTasks>c__Iterator12.MoveNext () [0x00073] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:214 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task].AddEnumerable (IEnumerable`1 enumerable) [0x00013] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:134 
  at System.Collections.Generic.List`1[MonoDevelop.Ide.Tasks.Task]..ctor (IEnumerable`1 collection) [0x0002f] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin-no-pcl/build-root/mono-3.2.2/mcs/class/corlib/System.Collections.Generic/List.cs:69 
  at MonoDevelop.Ide.Tasks.TaskStore.RemoveItemTasks (IWorkspaceObject parent, Boolean checkHierarchy) [0x0000a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/TaskStore.cs:136 
  at MonoDevelop.Ide.Tasks.CommentTasksView.OnWorkspaceItemUnloaded (System.Object sender, MonoDevelop.Projects.WorkspaceItemEventArgs e) [0x00056] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Tasks/CommentTasksView.cs:240 
  at (wrapper delegate-invoke) System.EventHandler`1<MonoDevelop.Projects.WorkspaceItemEventArgs>:invoke_void__this___object_TEventArgs (object,MonoDevelop.Projects.WorkspaceItemEventArgs)
  at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem item) [0x0001a] in /Users/builder/data/lanes/monodevelop-mdaddins-master-account-manager/11de2a7a/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1290
Comment 1 Marius Ungureanu 2013-11-23 11:06:38 UTC
Is this any longer an issue?
Comment 2 Jeffrey Stedfast 2013-11-23 11:15:45 UTC
yea, I still get this
Comment 3 Jeffrey Stedfast 2017-01-10 18:49:45 UTC
I haven't seen this in years now, so closing.