使用 Power BI 导入数据时出现“索引超出数组范围”错误

【问题标题】："Index was outside the bounds of the array" error when importing data using Power BI使用 Power BI 导入数据时出现“索引超出数组范围”错误
【发布时间】：2018-08-20 15:58:42
【问题描述】：

我是第一次使用 Power BI，我正在尝试将一些表从 SQL Server 2012 Express 数据库导入 Power BI。

在我选择表格并单击“加载”后，它在“在模型中创建连接...”阶段失败，并出现以下错误：

Error Message:
Index was outside the bounds of the array.

Stack Trace:
   at Microsoft.Mashup.Client.ClientShared.Relationships.RelationshipTableEntries.TryGetForeignKeyRelationship(HashSet`1 tablesToProcess, RelationshipTableEntry leftEntry, RelationshipTableEntry rightEntry, RelationshipInfo relationship, ForeignKeyRelationship& foreignKeyRelationship)
   at Microsoft.Mashup.Client.ClientShared.Relationships.RelationshipTableEntries.GetForeignKeyRelationships(IEnumerable`1 tableEntries, IEnumerable`1 tableNames)
   at Microsoft.PowerBI.Client.Windows.Modeling.RelationshipLoader.GetForeignKeyRelationships(ReportMetadata reportMetadata, IDataModel dataModel, List`1 relationshipTableEntries, List`1 queriesToProcess)
   at Microsoft.PowerBI.Client.Windows.Modeling.RelationshipLoader.ImportRelationships(SynchronizationContext uiThreadContext, Report report, IDataModel dataModel, IAnalysisServicesLoadToken loadToken, IEnumerable`1 loadInputs, IAnalysisServicesDatabase database, IAnalysisServicesLoadContext loadContext, IRelationshipManager relationshipManager, HashSet`1 previouslyLoadedInputs)
   at Microsoft.PowerBI.Client.Windows.Modeling.RelationshipLoader.DetectAndImportRelationships(SynchronizationContext uiThreadContext, IAnalysisServicesLoadToken loadToken, IEnumerable`1 loadInputs, IAnalysisServicesLoadContext loadContext, Report report, IExtendedModelChangeScope modelChangeScope, List`1 newTableColumnPairs, HashSet`1 previouslyLoadedInputs, Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.CreateRelationships(IAnalysisServicesLoadContext loadContext, IExtendedModelChangeScope modelChangeScope, List`1 newTableColumnPairs, HashSet`1 previouslyLoadedInputs, Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.ProcessLoadInputs(IExtendedModelChangeScope modelChangeScope, Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.<>c__DisplayClassb.<PerformLoadInternal>b__7(IExtendedModelChangeScope modelChangeScope)
   at Microsoft.PowerBI.Client.Windows.Modeling.AsyncModelAuthoringService.<>c__DisplayClassf.<RunExtendedModelChangeAsync>b__e()
   at System.Threading.Tasks.ContinuationResultTaskFromResultTask`2.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Microsoft.PowerBI.Client.Windows.Utilities.TaskExtensions.WaitAndUnpackException(Task task)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.PerformLoadInternal(Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.PerformLoad(Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.<>c__DisplayClass1.<LoadTablesAsync>b__0(Object state)
   at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)

Stack Trace Message:
Index was outside the bounds of the array.

Invocation Stack Trace:
   at Microsoft.Mashup.Host.Document.ExceptionExtensions.GetCurrentInvocationStackTrace()
   at Microsoft.Mashup.Client.ClientShared.FeedbackErrorInfo..ctor(String message, Exception exception)
   at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.ReportException(IWindowContainer activeWindow, WindowsHost windowsHost, FeedbackPackageInfo feedbackPackageInfo, Exception e, Boolean useGDICapture)
   at Microsoft.Mashup.Client.ClientShared.UnexpectedExceptionHandler.<>c__DisplayClass1.<HandleException>b__0()
   at Microsoft.Mashup.Host.Document.SynchronizationContextExtensions.<>c__DisplayClass3.<SendAndMarshalExceptions>b__0(Object null)
   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.Delegate.DynamicInvokeImpl(Object[] args)
   at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbacks()
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
   at Microsoft.Mashup.Client.ClientShared.WindowManager.ShowDialog[T](T form, IWindowContainer owner)
   at Microsoft.Mashup.Client.ClientShared.Ux.FloatingDialog.FloatingDialog.ShowDialogWithTimeout(IWindowContainer owner, Nullable`1 showTimeout)
   at Microsoft.Mashup.Client.ClientShared.Ux.WindowService.ShowDialogWithTimeout(FloatingDialog dialog, Nullable`1 showTimeout)
   at Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.StartEvaluationAndShowDialog(IWindowService windowService, IEnumerable`1 queriesToLoad, Nullable`1 showTimeout, Boolean requireFullDataRefresh)
   at Microsoft.PowerBI.Client.Windows.FloatingDialog.KoLoadToReportDialog.<>c__DisplayClass2.<TryShowDialogForQueries>b__0(IWindowContainer ownerWindow)
   at Microsoft.PowerBI.Client.Windows.PowerBIDataImporter.LoadQueries(IEnumerable`1 queriesToLoad)
   at Microsoft.PowerBI.Client.Windows.PowerBIDataImporter.OnImportSuccess(IEnumerable`1 addedQueries, DataImportDestination destination)
   at Microsoft.Mashup.Client.ClientShared.DataImporter.ProcessImportedQueries(IEnumerable`1 importedQueries, DataImportDestination destination)
   at Microsoft.Mashup.Client.ClientShared.DataImporter.ImportNavigationSource(Query query)
   at Microsoft.Mashup.Client.ClientShared.DataImporter.OnGetPreviewResult(PreviewResult preview, Query query, String sourceID, String formulaTitle, Nullable`1 explicitImportDestination, Boolean isNewQuery, Boolean isFromEditor)
   at Microsoft.Mashup.Client.ClientShared.DataImporter.GetPreviewResult(Query query, String sourceID, String formulaTitle, Boolean isNewQuery, Boolean isFromEditor, Nullable`1 explicitImportDestination)
   at Microsoft.Mashup.Client.ClientShared.DataImporter.<>c__DisplayClass1b.<OnQuerySettingsResolved>b__18()
   at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)
   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.Delegate.DynamicInvokeImpl(Object[] args)
   at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbacks()
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
   at Microsoft.Mashup.Client.ClientShared.WindowManager.ShowDialog[T](T form, IWindowContainer owner)
   at Microsoft.PowerBI.Client.Program.<>c__DisplayClassa.<Main>b__0()
   at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<>c__DisplayClass7.<HandleExceptionsWithNestedTasks>b__6()
   at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)
   at Microsoft.PowerBI.Client.Program.Main(String[] args)

Model Default Mode:
DirectQuery

Snapshot Trace Logs:
C:\Users\User\AppData\Local\Microsoft\Power BI Desktop\FrownSnapShot996727657.zip

Performance Trace Logs:
C:\Users\User\AppData\Local\Microsoft\Power BI Desktop\PerformanceTraces.zip

Disabled Preview Features:
PBI_shapeMapVisualEnabled
PBI_EnableReportTheme
PBI_numericSlicerEnabled
PBI_SpanishLinguisticsEnabled
CustomConnectors
PBI_AdobeAnalytics
PBI_qnaExplore
PBI_variationUIChange
PBI_customVisualsGallery
PBI_canvasTooltips

Disabled DirectQuery Options:
PBI_DirectQuery_Unrestricted
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

ModelChangeStartingStackTrace:
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.PowerBI.Client.Windows.Modeling.AsyncModelAuthoringService.RunExtendedModelChangeAsync(Action`1 extendedModelChange, CancellationToken cancellationToken, Boolean blockUI)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.RunExtendedModelChangeAsync(Action`1 action)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.PerformLoadInternal(Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.PerformLoad(Action relationshipAutodetectStartCallback)
   at Microsoft.PowerBI.Client.Windows.Modeling.PowerQueryToModelLoader.<>c__DisplayClass1.<LoadTablesAsync>b__0(Object state)
   at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()

我尝试导入不超过八个包含很少数据的表（只有几千个条目）。前七张表加起来就好了，然后加八号表就报错了。

但是，如果我尝试先添加此表，它会起作用，因此没有特定的表是问题所在。该错误仅在添加足够数量的表后才会出现。就像它超过了某个阈值然后就失败了，我觉得这很令人费解，因为这是一个相对较小的数据库，大约有 100 个表。

我使用直接查询和导入选项得到了相同的结果。

我运行 Windows 7 和 Power BI 版本 2.56.5023.861 64 位。

【问题讨论】：

  • 我猜它可能试图在不起作用的表之间创建关系，但如果没有访问可以重现错误的文件，则很难诊断。
  • 感谢您指出这一点，事实证明这是建立关系的问题，这使我找到了问题的真正根源。

标签： powerbi


【解决方案1】：

这里的问题原来是我要导入的表中的 rowversion 列。如果 rowversion 列在 ForeignKey 列之前，则导入 Power BI 将失败：

create table [dbo].[TableOne]
(
    [Id]                int         not null    identity(1,1)
    , [Rowversion]      rowversion  not null
    constraint [PK_TC] primary key nonclustered ([Id])
)
go

create table [dbo].[TableTwo]
(
    [Id]                int         not null    identity(1, 1)
    , [Rowversion]      rowversion  not null -- This will fail
    , [TableOneId]      int         null
    , constraint [PK_TCO] primary key nonclustered ([Id])
    , constraint [FK_TableOneId] foreign key ([TableOneId]) references [dbo].[TableOne]([Id])
)
go

但如果我将 rowversion 列放在最后，它会毫无问题地导入：

create table [dbo].[TableOne]
(
    [Id]                int         not null    identity(1,1)
    , [Rowversion]      rowversion  not null
    constraint [PK_TC] primary key nonclustered ([Id])
)
go

create table [dbo].[TableTwo]
(
    [Id]                int         not null    identity(1, 1)
    , [TableOneId]      int         null
    , [Rowversion]      rowversion  not null -- This will import successfully
    , constraint [PK_TCO] primary key nonclustered ([Id])
    , constraint [FK_TableOneId] foreign key ([TableOneId]) references [dbo].[TableOne]([Id])
)
go

【讨论】：

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