RPC_E_SERVERFAULT in FindExtensionByCLSID

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08-10-2010 02:11 AM
RachelBahar
New Contributor
Hello,

I have an extension for arcgis desktop (works on versions 9.1, 9.2,9.3) written in c#

One of its functions receives (IApplication app) as an argument and requests esri's extensions status:

IExtension ext = app.FindExtensionByCLSID(uid);
if (ext != null && ((IExtensionConfig)ext).State == esriExtensionState.esriESEnabled)
      ......

The problem is that sometimes (only sometimes) FindExtensionByCLSID crashes with the following message:

System.Runtime.InteropServices.COMException (0x80010105): The server threw an exception. (Exception from HRESULT: 0x80010105 (RPC_E_SERVERFAULT))
   at ESRI.ArcGIS.Framework.IApplication.FindExtensionByCLSID(UID extensionCLSID)

Can anyone explain why this happens (under what conditions) and how can I avoid it?

Thanks,
Rachel
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