MB3 Media Scan Failed

[Soultaker 225]

Hi

 

I noticed recently that my media scans are consistently failing, any ideas?

 

MBServer: v3.0.5083.27698

 

Notification reads:

Scan media library failed

2 hours ago

An item with the same key has already been added.

Log file snippet

2013-12-13 07:57:02.6866, Error, App, Error
	An item with the same key has already been added.
	System.ArgumentException
	   at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
	   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
	   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildrenInternal>d__6c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildren>d__61.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<>c__DisplayClass81.<<RefreshChildren>b__7d>d__86.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<RefreshChildren>d__8c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildrenInternal>d__6c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildren>d__61.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<>c__DisplayClass81.<<RefreshChildren>b__7d>d__86.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<RefreshChildren>d__8c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildrenInternal>d__6c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildren>d__61.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<>c__DisplayClass81.<<RefreshChildren>b__7d>d__86.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<RefreshChildren>d__8c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildrenInternal>d__6c.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Controller.Entities.Folder.<ValidateChildren>d__61.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
	   at MediaBrowser.Server.Implementations.Library.LibraryManager.<PerformLibraryValidation>d__45.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Server.Implementations.Library.LibraryManager.<ValidateMediaLibraryInternal>d__3b.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Common.Implementations.ScheduledTasks.ScheduledTaskWorker.<>c__DisplayClasse.<<ExecuteTask>b__d>d__10.MoveNext()
	--- End of stack trace from previous location where exception was thrown ---
	   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
	   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
	   at MediaBrowser.Common.Implementations.ScheduledTasks.ScheduledTaskWorker.<Execute>d__5.MoveNext()

[Luke 37046]

It should be fixed in the upcoming release