I published and successfully accessed a GP service in ArcMap 10.2, but I couldn't make it work in my .NET program using ArcObjects 10.2:

        IGeoProcessor gp = new GeoProcessorClass();

        IGPUtilities2 gputils = new GPUtilitiesClass();
        IFeatureClass fc = (IFeatureClass)gputils.OpenDatasetFromLocation(@"E:\input.shp");
        IRecordSetInit recordset = new RecordSetClass();
        recordset.SetSourceTable((ITable)fc, null);
        IGPRecordSet gprecordset = new GPFeatureRecordSetLayerClass();
        gprecordset.RecordSet = (IRecordSet)recordset;

        IGPFeatureRecordSetLayer recordlayer = new GPFeatureRecordSetLayerClass();
        recordlayer = gprecordset as IGPFeatureRecordSetLayer;

        IVariantArray parameters = new VarArrayClass();

        gp.Execute("Select", parameters, null);           

I got "Error HRESULT E_FAIL has been returned from a call to a COM component." at "gp.Execute". The GP service is published using tool "Select" under toolbox "Analysis" in ArcMap:

enter image description here

Any suggestions?


The tool is called Select_analysis, there are a few things called 'select' and you have to specify the one you want. The vague error doesn't help but it can't find a geoprocessing tool called 'select'.

gp.Execute("Select_analysis", parameters, null);

it may be worth noting that a geoprocessor tool returns a value of type IGeoProcessorResult which you can get your messages using GetResultMessages. This will at least give you some inkling why the tool failed.

| improve this answer | |
  • Hi Michael,it shows the same error with "Select_analysis",and I updated the post with a screen shot of the service.I just assumed that I should use the name under Tasks – l.z.lz May 29 '14 at 1:47
  • Is your ArcGis server licensed for geoprocessing? – Michael Stimson May 29 '14 at 1:51
  • I'm not familiar with ArcGIS server so I'm not sure what do you mean by licensed? but I coulde execute the GP service via web browser and arcmap – l.z.lz May 29 '14 at 2:18
  • Then it must be. The basic level of license for ArcGis server does not include geoprocessing esri.com/library/brochures/pdfs/… (page 2) have a look at the result object and see if you get some messages there, that might help. – Michael Stimson May 29 '14 at 2:23

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