Specified argument was out of the range of valid values. Parameter name: managedData

Wednesday, July 14, 2010 4:06 PM

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I'm getting this exception:

Specified argument was out of the range of valid values.

Parameter name: managedData

   at Microsoft.Synchronization.Files.FileDataRetrieverAdapter.ConvertManagedToUnmanagedData(Object managedData)

   at Microsoft.Synchronization.SimpleProviders._SimpleSyncProviderProxy.LoadChangeData(ITEM_FIELDS& pItemKeyAndExpectedVersionInfo, IntPtr pChangeUnitsToLoad, IRecoverableErrorCallback pCallback, Object& ppChangeData)

   at Microsoft.Synchronization.CoreInterop.ISyncSession.Start(CONFLICT_RESOLUTION_POLICY resolutionPolicy, _SYNC_SESSION_STATISTICS& pSyncSessionStatistics)

   at Microsoft.Synchronization.KnowledgeSyncOrchestrator.DoOneWaySyncHelper(SyncIdFormatGroup sourceIdFormats, SyncIdFormatGroup destinationIdFormats, KnowledgeSyncProviderConfiguration destinationConfiguration, SyncCallbacks DestinationCallbacks, ISyncProvider sourceProxy, ISyncProvider destinationProxy, ChangeDataAdapter callbackChangeDataAdapter, SyncDataConverter conflictDataConverter, Int32& changesApplied, Int32& changesFailed)

   at Microsoft.Synchronization.KnowledgeSyncOrchestrator.DoOneWayKnowledgeSync(SyncDataConverter sourceConverter, SyncDataConverter destinationConverter, SyncProvider sourceProvider, SyncProvider destinationProvider, Int32& changesApplied, Int32& changesFailed)

   at Microsoft.Synchronization.KnowledgeSyncOrchestrator.Synchronize()

   at Microsoft.Synchronization.SyncOrchestrator.Synchronize()

For background: I'm using the SyncFX 2.0 with a FileSyncProvider and a custom provider which implements the FullEnumerationSimpleSyncProvider. The custom provider makes calls to WCF services on a remote server.

I'm not sure what the error is telling me?
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Thursday, July 15, 2010 8:24 AM

Using Reflector, I can see that this is the method that is throwing the exception:

public override object ConvertManagedToUnmanagedData(object managedData)
{
  IFileDataRetriever fileDataRetriever = managedData as IFileDataRetriever;
  if (fileDataRetriever == null)
  {
    throw new ArgumentOutOfRangeException("managedData");
  }
  return new UnmanagedFileDataRetriever(fileDataRetriever);
}

So it looks like either null is being passed to the method, or it isn't an IFileDataRetriever.

Wednesday, August 03, 2011 9:42 PM

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This exception is raised when LoadChangeData returns null instead of a FileDataRetriever object.
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