[3.0.6] NRE during xml strategy report generating


[3.0.6] NRE during xml strategy report generating
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2/22/2011


Во время генерации отчёта получаю NRE:

Цитата:
System.NullReferenceException was unhandled
Message=Object reference not set to an instance of an object.
Source=Ecng.Trading.Algo
StackTrace:
at Ecng.Trading.Algo.TraderHelper.GetMarketPrice(MarketDepthPair bestPair, OrderDirections direction, Unit priceDelta, MarketPriceTypes priceType)
at Ecng.Trading.Algo.TraderHelper.GetMarketPrice(Security security, OrderDirections direction, Unit priceDelta, MarketPriceTypes priceType)
at Ecng.Trading.Algo.TraderHelper.GetPnL(Security security, Int64 position)
at Ecng.Trading.Algo.PnL.BasePnLManager.#=qz1Pkad79BLeG2zoFC7yZRg==(KeyValuePair`2 #=qHo8yqiDKe24tIIMpwIwDzQ==)
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Linq.Enumerable.Sum(IEnumerable`1 source)
at Ecng.Trading.Algo.PnL.BasePnLManager.#=qpKurmy48WsO2SD4_Xp_sKw==(SynchronizedDictionary`2 #=qUPvW0wVJA2FikCQK_objkg==)
at Ecng.Collections.CollectionHelper.SyncGet[TCollection,TResult](TCollection collection, Func`2 func)
at Ecng.Trading.Algo.PnL.BasePnLManager.get_PnL()
at Ecng.Trading.Algo.Reporting.XmlStrategyReport.Generate()
at Robots.MainWindow.MainWindow.GenerateStrategyReports(Strategy strategy) in c:\Users\Alexander\Documents\Visual Studio 2010\Projects\Robots\Robots\MainWindow\MainWindow.xaml.cs:line 71
at Robots.MainWindow.MainWindow.OnClosing(CancelEventArgs e) in c:\Users\Alexander\Documents\Visual Studio 2010\Projects\Robots\Robots\MainWindow\MainWindow.xaml.cs:line 136
at System.Windows.Window.WmClose()
at System.Windows.Window.WindowFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at System.Windows.Interop.HwndSource.PublicHooksFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.HwndSubclass.DefWndProcWrapper(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.HwndSubclass.DefWndProcWrapper(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
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.Threading.Dispatcher.Run()
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 Robots.App.Main() in c:\Users\Alexander\Documents\Visual Studio 2010\Projects\Robots\Robots\obj\x86\Debug\App.g.cs:line 0
InnerException:


На предыдущих версиях такой ошибки не было.

Tags:


Thanks:




2 Answers
aerv

Avatar
Date: 2/22/2011
Reply


У меня подобная же ошибка возникла. Сообщение и стек:
Цитата:

SysTrend1.vshost.exe Error: 0 : 02/22/2011 00:10:46 AppDomain.CurrentDomain.UnhandledException:
System.NullReferenceException: В экземпляре объекта не задана ссылка на объект.
в Ecng.Trading.Algo.TraderHelper.GetMarketPrice(MarketDepthPair bestPair, OrderDirections direction, Unit priceDelta, MarketPriceTypes priceType)
в Ecng.Trading.Algo.TraderHelper.GetMarketPrice(Security security, OrderDirections direction, Unit priceDelta, MarketPriceTypes priceType)
в Ecng.Trading.Algo.TraderHelper.GetPnL(Security security, Int32 position)
в Ecng.Trading.Algo.PnL.BasePnLManager.#=q4z7hGLQmC4To4MUYrKCPoQ==(KeyValuePair`2 #=q3aUBUrNM4J6zJu1AEiAHyw==)
в System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
в System.Linq.Enumerable.Sum(IEnumerable`1 source)
в System.Linq.Enumerable.Sum[TSource](IEnumerable`1 source, Func`2 selector)
в Ecng.Trading.Algo.PnL.BasePnLManager.#=qOb0I0vMPf2cJ1_Ce6$PaKA==(SynchronizedDictionary`2 #=q8Q18He3vjGIQifyaBiyMTg==)
в Ecng.Collections.CollectionHelper.SyncGet[TCollection,TResult](TCollection collection, Func`2 func)
в Ecng.Trading.Algo.PnL.BasePnLManager.get_PnL()
в SysTrend1.MainWindow.<OnStrategyPropertyChanged>b__a() в ...\MainWindow.xaml.cs:строка 277
...
Thanks:

Mikhail Sukhov

Avatar
Articles author Programmer Trader
Date: 2/22/2011
Reply


Да, ошибка возникла в связи с отсутствием информации в Security.BestPair. Причина - теперь информация по инструментам урезана. Буду чинить.
Thanks:


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